From 8293d21280fd6ddfc9bb54068cf87794fc6be207 Mon Sep 17 00:00:00 2001 From: Amar Tumballi Date: Thu, 6 Dec 2018 12:29:25 +0530 Subject: all: remove code which is not being considered in build These xlators are now removed from build as per discussion/announcement done at https://lists.gluster.org/pipermail/gluster-users/2018-July/034400.html * move rot-13 to playground, as it is used only as demo purpose, and is documented in many places. * Removed code of below xlators: - cluster/stripe - cluster/tier - features/changetimerecorder - features/glupy - performance/symlink-cache - encryption/crypt - storage/bd - experimental/posix2 - experimental/dht2 - experimental/fdl - experimental/jbr updates: bz#1635688 Change-Id: I1d2d63c32535e149bc8dcb2daa76236c707996e8 Signed-off-by: Amar Tumballi --- xlators/cluster/stripe/src/Makefile.am | 22 - xlators/cluster/stripe/src/stripe-helpers.c | 658 --- xlators/cluster/stripe/src/stripe-mem-types.h | 29 - xlators/cluster/stripe/src/stripe.c | 5612 ------------------------- xlators/cluster/stripe/src/stripe.h | 291 -- 5 files changed, 6612 deletions(-) delete mode 100644 xlators/cluster/stripe/src/Makefile.am delete mode 100644 xlators/cluster/stripe/src/stripe-helpers.c delete mode 100644 xlators/cluster/stripe/src/stripe-mem-types.h delete mode 100644 xlators/cluster/stripe/src/stripe.c delete mode 100644 xlators/cluster/stripe/src/stripe.h (limited to 'xlators/cluster/stripe/src') diff --git a/xlators/cluster/stripe/src/Makefile.am b/xlators/cluster/stripe/src/Makefile.am deleted file mode 100644 index 2b594567db1..00000000000 --- a/xlators/cluster/stripe/src/Makefile.am +++ /dev/null @@ -1,22 +0,0 @@ -xlator_LTLIBRARIES = stripe.la -xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/cluster - -stripe_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS) - - -stripe_la_SOURCES = stripe.c stripe-helpers.c \ - $(top_builddir)/xlators/lib/src/libxlator.c - -stripe_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la - -noinst_HEADERS = stripe.h stripe-mem-types.h \ - $(top_builddir)/xlators/lib/src/libxlator.h - -AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \ - -I$(top_srcdir)/xlators/lib/src \ - -I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src - -AM_CFLAGS = -Wall $(GF_CFLAGS) - -CLEANFILES = - diff --git a/xlators/cluster/stripe/src/stripe-helpers.c b/xlators/cluster/stripe/src/stripe-helpers.c deleted file mode 100644 index 35342378985..00000000000 --- a/xlators/cluster/stripe/src/stripe-helpers.c +++ /dev/null @@ -1,658 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#include - -#include "stripe.h" -#include -#include -#include - -void -stripe_local_wipe(stripe_local_t *local) -{ - if (!local) - goto out; - - loc_wipe(&local->loc); - loc_wipe(&local->loc2); - - if (local->fd) - fd_unref(local->fd); - - if (local->inode) - inode_unref(local->inode); - - if (local->xattr) - dict_unref(local->xattr); - - if (local->xdata) - dict_unref(local->xdata); - -out: - return; -} - -int -stripe_aggregate(dict_t *this, char *key, data_t *value, void *data) -{ - dict_t *dst = NULL; - int64_t *ptr = 0, *size = NULL; - int32_t ret = -1; - - dst = data; - - if (strcmp(key, QUOTA_SIZE_KEY) == 0) { - ret = dict_get_bin(dst, key, (void **)&size); - if (ret < 0) { - size = GF_CALLOC(1, sizeof(int64_t), gf_common_mt_char); - if (size == NULL) { - gf_log("stripe", GF_LOG_WARNING, "memory allocation failed"); - goto out; - } - ret = dict_set_bin(dst, key, size, sizeof(int64_t)); - if (ret < 0) { - gf_log("stripe", GF_LOG_WARNING, - "stripe aggregate dict set failed"); - GF_FREE(size); - goto out; - } - } - - ptr = data_to_bin(value); - if (ptr == NULL) { - gf_log("stripe", GF_LOG_WARNING, "data to bin failed"); - goto out; - } - - *size = hton64(ntoh64(*size) + ntoh64(*ptr)); - } else if (strcmp(key, GF_CONTENT_KEY)) { - /* No need to aggregate 'CONTENT' data */ - ret = dict_set(dst, key, value); - if (ret) - gf_log("stripe", GF_LOG_WARNING, "xattr dict set failed"); - } - -out: - return 0; -} - -void -stripe_aggregate_xattr(dict_t *dst, dict_t *src) -{ - if ((dst == NULL) || (src == NULL)) { - goto out; - } - - dict_foreach(src, stripe_aggregate, dst); -out: - return; -} - -int32_t -stripe_xattr_aggregate(char *buffer, stripe_local_t *local, int32_t *total) -{ - int32_t i = 0; - int32_t ret = -1; - int32_t len = 0; - char *sbuf = NULL; - stripe_xattr_sort_t *xattr = NULL; - - if (!buffer || !local || !local->xattr_list) - goto out; - - sbuf = buffer; - - for (i = 0; i < local->nallocs; i++) { - xattr = local->xattr_list + i; - len = xattr->xattr_len - 1; /* length includes \0 */ - - if (len && xattr && xattr->xattr_value) { - memcpy(buffer, xattr->xattr_value, len); - buffer += len; - *buffer++ = ' '; - } - } - - *--buffer = '\0'; - if (total) - *total = buffer - sbuf; - ret = 0; - -out: - return ret; -} - -int32_t -stripe_free_xattr_str(stripe_local_t *local) -{ - int32_t i = 0; - int32_t ret = -1; - stripe_xattr_sort_t *xattr = NULL; - - if (!local || !local->xattr_list) - goto out; - - for (i = 0; i < local->nallocs; i++) { - xattr = local->xattr_list + i; - - if (xattr && xattr->xattr_value) - GF_FREE(xattr->xattr_value); - } - - ret = 0; -out: - return ret; -} - -int32_t -stripe_fill_lockinfo_xattr(xlator_t *this, stripe_local_t *local, - void **xattr_serz) -{ - int32_t ret = -1, i = 0, len = 0; - dict_t *tmp1 = NULL, *tmp2 = NULL; - char *buf = NULL; - stripe_xattr_sort_t *xattr = NULL; - - if (xattr_serz == NULL) { - goto out; - } - - tmp2 = dict_new(); - - if (tmp2 == NULL) { - goto out; - } - - for (i = 0; i < local->nallocs; i++) { - xattr = local->xattr_list + i; - len = xattr->xattr_len; - - if (len && xattr && xattr->xattr_value) { - ret = dict_reset(tmp2); - if (ret < 0) { - gf_log(this->name, GF_LOG_DEBUG, "dict_reset failed (%s)", - strerror(-ret)); - } - - ret = dict_unserialize(xattr->xattr_value, xattr->xattr_len, &tmp2); - if (ret < 0) { - gf_log(this->name, GF_LOG_WARNING, - "dict_unserialize failed (%s)", strerror(-ret)); - ret = -1; - goto out; - } - - tmp1 = dict_copy(tmp2, tmp1); - if (tmp1 == NULL) { - gf_log(this->name, GF_LOG_WARNING, "dict_copy failed (%s)", - strerror(-ret)); - ret = -1; - goto out; - } - } - } - - len = dict_serialized_length(tmp1); - if (len > 0) { - buf = GF_CALLOC(1, len, gf_common_mt_dict_t); - if (buf == NULL) { - ret = -1; - goto out; - } - - ret = dict_serialize(tmp1, buf); - if (ret < 0) { - gf_log(this->name, GF_LOG_WARNING, "dict_serialize failed (%s)", - strerror(-ret)); - GF_FREE(buf); - ret = -1; - goto out; - } - - *xattr_serz = buf; - } - - ret = 0; -out: - if (tmp1 != NULL) { - dict_unref(tmp1); - } - - if (tmp2 != NULL) { - dict_unref(tmp2); - } - - return ret; -} - -int32_t -stripe_fill_pathinfo_xattr(xlator_t *this, stripe_local_t *local, - char **xattr_serz) -{ - int ret = -1; - int32_t padding = 0; - int32_t tlen = 0; - int len = 0; - char stripe_size_str[20] = { - 0, - }; - char *pathinfo_serz = NULL; - - if (!local) { - gf_log(this->name, GF_LOG_ERROR, "Possible NULL deref"); - goto out; - } - - len = snprintf(stripe_size_str, sizeof(stripe_size_str), "%" PRId64, - local->fctx ? local->fctx->stripe_size : 0); - if (len < 0 || len >= sizeof(stripe_size_str)) - goto out; - /* extra bytes for decorations (brackets and <>'s) */ - padding = strlen(this->name) + SLEN(STRIPE_PATHINFO_HEADER) + len + 7; - local->xattr_total_len += (padding + 2); - - pathinfo_serz = GF_MALLOC(local->xattr_total_len, gf_common_mt_char); - if (!pathinfo_serz) - goto out; - - /* xlator info */ - (void)sprintf(pathinfo_serz, "(<" STRIPE_PATHINFO_HEADER "%s:[%s]> ", - this->name, stripe_size_str); - - ret = stripe_xattr_aggregate(pathinfo_serz + padding, local, &tlen); - if (ret) { - gf_log(this->name, GF_LOG_ERROR, "Cannot aggregate pathinfo list"); - GF_FREE(pathinfo_serz); - goto out; - } - - *(pathinfo_serz + padding + tlen) = ')'; - *(pathinfo_serz + padding + tlen + 1) = '\0'; - - *xattr_serz = pathinfo_serz; - - ret = 0; -out: - return ret; -} - -/** - * stripe_get_matching_bs - Get the matching block size for the given path. - */ -int32_t -stripe_get_matching_bs(const char *path, stripe_private_t *priv) -{ - struct stripe_options *trav = NULL; - uint64_t block_size = 0; - - GF_VALIDATE_OR_GOTO("stripe", priv, out); - GF_VALIDATE_OR_GOTO("stripe", path, out); - - LOCK(&priv->lock); - { - block_size = priv->block_size; - trav = priv->pattern; - while (trav) { - if (!fnmatch(trav->path_pattern, path, FNM_NOESCAPE)) { - block_size = trav->block_size; - break; - } - trav = trav->next; - } - } - UNLOCK(&priv->lock); - -out: - return block_size; -} - -int32_t -stripe_ctx_handle(xlator_t *this, call_frame_t *prev, stripe_local_t *local, - dict_t *dict) -{ - char key[256] = { - 0, - }; - data_t *data = NULL; - int32_t index = 0; - stripe_private_t *priv = NULL; - - priv = this->private; - - if (!local->fctx) { - local->fctx = GF_CALLOC(1, sizeof(stripe_fd_ctx_t), - gf_stripe_mt_stripe_fd_ctx_t); - if (!local->fctx) { - local->op_errno = ENOMEM; - local->op_ret = -1; - goto out; - } - - local->fctx->static_array = 0; - } - /* Stripe block size */ - sprintf(key, "trusted.%s.stripe-size", this->name); - data = dict_get(dict, key); - if (!data) { - local->xattr_self_heal_needed = 1; - gf_log(this->name, GF_LOG_ERROR, "Failed to get stripe-size"); - goto out; - } else { - if (!local->fctx->stripe_size) { - local->fctx->stripe_size = data_to_int64(data); - } - - if (local->fctx->stripe_size != data_to_int64(data)) { - gf_log(this->name, GF_LOG_WARNING, - "stripe-size mismatch in blocks"); - local->xattr_self_heal_needed = 1; - } - } - - /* Stripe count */ - sprintf(key, "trusted.%s.stripe-count", this->name); - data = dict_get(dict, key); - - if (!data) { - local->xattr_self_heal_needed = 1; - gf_log(this->name, GF_LOG_ERROR, "Failed to get stripe-count"); - goto out; - } - if (!local->fctx->xl_array) { - local->fctx->stripe_count = data_to_int32(data); - if (!local->fctx->stripe_count) { - gf_log(this->name, GF_LOG_ERROR, "error with stripe-count xattr"); - local->op_ret = -1; - local->op_errno = EIO; - goto out; - } - - local->fctx->xl_array = GF_CALLOC(local->fctx->stripe_count, - sizeof(xlator_t *), - gf_stripe_mt_xlator_t); - - if (!local->fctx->xl_array) { - local->op_errno = ENOMEM; - local->op_ret = -1; - goto out; - } - } - if (local->fctx->stripe_count != data_to_int32(data)) { - gf_log(this->name, GF_LOG_ERROR, - "error with stripe-count xattr (%d != %d)", - local->fctx->stripe_count, data_to_int32(data)); - local->op_ret = -1; - local->op_errno = EIO; - goto out; - } - - /* index */ - sprintf(key, "trusted.%s.stripe-index", this->name); - data = dict_get(dict, key); - if (!data) { - local->xattr_self_heal_needed = 1; - gf_log(this->name, GF_LOG_ERROR, "Failed to get stripe-index"); - goto out; - } - index = data_to_int32(data); - if (index > priv->child_count) { - gf_log(this->name, GF_LOG_ERROR, "error with stripe-index xattr (%d)", - index); - local->op_ret = -1; - local->op_errno = EIO; - goto out; - } - if (local->fctx->xl_array) { - if (!local->fctx->xl_array[index]) - local->fctx->xl_array[index] = prev->this; - } - - sprintf(key, "trusted.%s.stripe-coalesce", this->name); - data = dict_get(dict, key); - if (!data) { - /* - * The file was probably created prior to coalesce support. - * Assume non-coalesce mode for this file to maintain backwards - * compatibility. - */ - gf_log(this->name, GF_LOG_DEBUG, - "missing stripe-coalesce " - "attr, assume non-coalesce mode"); - local->fctx->stripe_coalesce = 0; - } else { - local->fctx->stripe_coalesce = data_to_int32(data); - } - -out: - return 0; -} - -int32_t -stripe_xattr_request_build(xlator_t *this, dict_t *dict, uint64_t stripe_size, - uint32_t stripe_count, uint32_t stripe_index, - uint32_t stripe_coalesce) -{ - char key[256] = { - 0, - }; - int32_t ret = -1; - - sprintf(key, "trusted.%s.stripe-size", this->name); - ret = dict_set_int64(dict, key, stripe_size); - if (ret) { - gf_log(this->name, GF_LOG_WARNING, "failed to set %s in xattr_req dict", - key); - goto out; - } - - sprintf(key, "trusted.%s.stripe-count", this->name); - ret = dict_set_int32(dict, key, stripe_count); - if (ret) { - gf_log(this->name, GF_LOG_WARNING, "failed to set %s in xattr_req dict", - key); - goto out; - } - - sprintf(key, "trusted.%s.stripe-index", this->name); - ret = dict_set_int32(dict, key, stripe_index); - if (ret) { - gf_log(this->name, GF_LOG_WARNING, "failed to set %s in xattr_req dict", - key); - goto out; - } - - sprintf(key, "trusted.%s.stripe-coalesce", this->name); - ret = dict_set_int32(dict, key, stripe_coalesce); - if (ret) { - gf_log(this->name, GF_LOG_WARNING, "failed to set %s in xattr_req_dict", - key); - goto out; - } -out: - return ret; -} - -static int -set_default_block_size(stripe_private_t *priv, char *num) -{ - int ret = -1; - GF_VALIDATE_OR_GOTO("stripe", THIS, out); - GF_VALIDATE_OR_GOTO(THIS->name, priv, out); - GF_VALIDATE_OR_GOTO(THIS->name, num, out); - - if (gf_string2bytesize_uint64(num, &priv->block_size) != 0) { - gf_log(THIS->name, GF_LOG_ERROR, "invalid number format \"%s\"", num); - goto out; - } - - ret = 0; - -out: - return ret; -} - -int -set_stripe_block_size(xlator_t *this, stripe_private_t *priv, char *data) -{ - int ret = -1; - char *tmp_str = NULL; - char *tmp_str1 = NULL; - char *dup_str = NULL; - char *stripe_str = NULL; - char *pattern = NULL; - char *num = NULL; - struct stripe_options *temp_stripeopt = NULL; - struct stripe_options *stripe_opt = NULL; - - if (!this || !priv || !data) - goto out; - - /* Get the pattern for striping. - "option block-size *avi:10MB" etc */ - stripe_str = strtok_r(data, ",", &tmp_str); - while (stripe_str) { - dup_str = gf_strdup(stripe_str); - stripe_opt = GF_CALLOC(1, sizeof(struct stripe_options), - gf_stripe_mt_stripe_options); - if (!stripe_opt) { - goto out; - } - - pattern = strtok_r(dup_str, ":", &tmp_str1); - num = strtok_r(NULL, ":", &tmp_str1); - if (!num) { - num = pattern; - pattern = "*"; - ret = set_default_block_size(priv, num); - if (ret) - goto out; - } - if (gf_string2bytesize_uint64(num, &stripe_opt->block_size) != 0) { - gf_log(this->name, GF_LOG_ERROR, "invalid number format \"%s\"", - num); - goto out; - } - - if (stripe_opt->block_size < STRIPE_MIN_BLOCK_SIZE) { - gf_log(this->name, GF_LOG_ERROR, - "Invalid Block-size: " - "%s. Should be at least %llu bytes", - num, STRIPE_MIN_BLOCK_SIZE); - goto out; - } - if (stripe_opt->block_size % 512) { - gf_log(this->name, GF_LOG_ERROR, - "Block-size: %s should" - " be a multiple of 512 bytes", - num); - goto out; - } - - memcpy(stripe_opt->path_pattern, pattern, strlen(pattern)); - - gf_log(this->name, GF_LOG_DEBUG, - "block-size : pattern %s : size %" PRId64, - stripe_opt->path_pattern, stripe_opt->block_size); - - if (priv->pattern) - temp_stripeopt = NULL; - else - temp_stripeopt = priv->pattern; - - stripe_opt->next = temp_stripeopt; - - priv->pattern = stripe_opt; - stripe_opt = NULL; - - GF_FREE(dup_str); - dup_str = NULL; - - stripe_str = strtok_r(NULL, ",", &tmp_str); - } - - ret = 0; -out: - - GF_FREE(dup_str); - - GF_FREE(stripe_opt); - - return ret; -} - -int32_t -stripe_iatt_merge(struct iatt *from, struct iatt *to) -{ - if (to->ia_size < from->ia_size) - to->ia_size = from->ia_size; - if (to->ia_mtime < from->ia_mtime) - to->ia_mtime = from->ia_mtime; - if (to->ia_ctime < from->ia_ctime) - to->ia_ctime = from->ia_ctime; - if (to->ia_atime < from->ia_atime) - to->ia_atime = from->ia_atime; - return 0; -} - -off_t -coalesced_offset(off_t offset, uint64_t stripe_size, int stripe_count) -{ - size_t line_size = 0; - uint64_t stripe_num = 0; - off_t coalesced_offset = 0; - - line_size = stripe_size * stripe_count; - stripe_num = offset / line_size; - - coalesced_offset = (stripe_num * stripe_size) + (offset % stripe_size); - - return coalesced_offset; -} - -off_t -uncoalesced_size(off_t size, uint64_t stripe_size, int stripe_count, - int stripe_index) -{ - uint64_t nr_full_stripe_chunks = 0, mod = 0; - - if (!size) - return size; - - /* - * Estimate the number of fully written stripes from the - * local file size. Each stripe_size chunk corresponds to - * a stripe. - */ - nr_full_stripe_chunks = (size / stripe_size) * stripe_count; - mod = size % stripe_size; - - if (!mod) { - /* - * There is no remainder, thus we could have overestimated - * the size of the file in terms of chunks. Trim the number - * of chunks by the following stripe members and leave it - * up to those nodes to respond with a larger size (if - * necessary). - */ - nr_full_stripe_chunks -= stripe_count - (stripe_index + 1); - size = nr_full_stripe_chunks * stripe_size; - } else { - /* - * There is a remainder and thus we own the last chunk of the - * file. Add the preceding stripe members of the final stripe - * along with the remainder to calculate the exact size. - */ - nr_full_stripe_chunks += stripe_index; - size = nr_full_stripe_chunks * stripe_size + mod; - } - - return size; -} diff --git a/xlators/cluster/stripe/src/stripe-mem-types.h b/xlators/cluster/stripe/src/stripe-mem-types.h deleted file mode 100644 index 3ca6ecc7a41..00000000000 --- a/xlators/cluster/stripe/src/stripe-mem-types.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef __STRIPE_MEM_TYPES_H__ -#define __STRIPE_MEM_TYPES_H__ - -#include - -enum gf_stripe_mem_types_ { - gf_stripe_mt_iovec = gf_common_mt_end + 1, - gf_stripe_mt_stripe_replies, - gf_stripe_mt_stripe_fd_ctx_t, - gf_stripe_mt_char, - gf_stripe_mt_int8_t, - gf_stripe_mt_int32_t, - gf_stripe_mt_xlator_t, - gf_stripe_mt_stripe_private_t, - gf_stripe_mt_stripe_options, - gf_stripe_mt_xattr_sort_t, - gf_stripe_mt_end -}; -#endif diff --git a/xlators/cluster/stripe/src/stripe.c b/xlators/cluster/stripe/src/stripe.c deleted file mode 100644 index 557a8185352..00000000000 --- a/xlators/cluster/stripe/src/stripe.c +++ /dev/null @@ -1,5612 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -/** - * xlators/cluster/stripe: - * Stripe translator, stripes the data across its child nodes, - * as per the options given in the volfile. The striping works - * fairly simple. It writes files at different offset as per - * calculation. So, 'ls -l' output at the real posix level will - * show file size bigger than the actual size. But when one does - * 'df' or 'du ', real size of the file on the server is shown. - * - * WARNING: - * Stripe translator can't regenerate data if a child node gets disconnected. - * So, no 'self-heal' for stripe. Hence the advice, use stripe only when its - * very much necessary, or else, use it in combination with AFR, to have a - * backup copy. - */ -#include -#include "stripe.h" -#include "libxlator.h" -#include -#include - -struct volume_options options[]; - -int32_t -stripe_sh_chown_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preop, - struct iatt *postop, dict_t *xdata) -{ - int callcnt = -1; - stripe_local_t *local = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - STRIPE_STACK_DESTROY(frame); - } -out: - return 0; -} - -int32_t -stripe_sh_make_entry_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!frame || !frame->local || !cookie || !this) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - STACK_WIND(frame, stripe_sh_chown_cbk, prev->this, - prev->this->fops->setattr, &local->loc, &local->stbuf, - (GF_SET_ATTR_UID | GF_SET_ATTR_GID), NULL); - -out: - return 0; -} - -int32_t -stripe_entry_self_heal(call_frame_t *frame, xlator_t *this, - stripe_local_t *local) -{ - xlator_list_t *trav = NULL; - call_frame_t *rframe = NULL; - stripe_local_t *rlocal = NULL; - stripe_private_t *priv = NULL; - dict_t *xdata = NULL; - int ret = 0; - - if (!local || !this || !frame) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - if (!(IA_ISREG(local->stbuf.ia_type) || IA_ISDIR(local->stbuf.ia_type))) - return 0; - - priv = this->private; - trav = this->children; - rframe = copy_frame(frame); - if (!rframe) { - goto out; - } - rlocal = mem_get0(this->local_pool); - if (!rlocal) { - goto out; - } - rframe->local = rlocal; - rlocal->call_count = priv->child_count; - loc_copy(&rlocal->loc, &local->loc); - memcpy(&rlocal->stbuf, &local->stbuf, sizeof(struct iatt)); - - xdata = dict_new(); - if (!xdata) - goto out; - - ret = dict_set_gfuuid(xdata, "gfid-req", local->stbuf.ia_gfid, true); - if (ret) - gf_log(this->name, GF_LOG_WARNING, "%s: failed to set gfid-req", - local->loc.path); - - while (trav) { - if (IA_ISREG(local->stbuf.ia_type)) { - STACK_WIND( - rframe, stripe_sh_make_entry_cbk, trav->xlator, - trav->xlator->fops->mknod, &local->loc, - st_mode_from_ia(local->stbuf.ia_prot, local->stbuf.ia_type), 0, - 0, xdata); - } - if (IA_ISDIR(local->stbuf.ia_type)) { - STACK_WIND( - rframe, stripe_sh_make_entry_cbk, trav->xlator, - trav->xlator->fops->mkdir, &local->loc, - st_mode_from_ia(local->stbuf.ia_prot, local->stbuf.ia_type), 0, - xdata); - } - trav = trav->next; - } - - if (xdata) - dict_unref(xdata); - return 0; - -out: - if (rframe) - STRIPE_STACK_DESTROY(rframe); - - return 0; -} - -int32_t -stripe_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, dict_t *xdata, struct iatt *postparent) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - int ret = 0; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - if ((op_errno != ENOENT) && (op_errno != ESTALE)) - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - if (local->op_errno != ESTALE) - local->op_errno = op_errno; - if (((op_errno != ENOENT) && (op_errno != ENOTCONN) && - (op_errno != ESTALE)) || - (prev->this == FIRST_CHILD(this))) - local->failed = 1; - if (op_errno == ENOENT) - local->entry_self_heal_needed = 1; - } - - if (op_ret >= 0) { - local->op_ret = 0; - if (IA_ISREG(buf->ia_type)) { - ret = stripe_ctx_handle(this, prev, local, xdata); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "Error getting fctx info from" - " dict"); - } - - if (FIRST_CHILD(this) == prev->this) { - local->stbuf = *buf; - local->postparent = *postparent; - local->inode = inode_ref(inode); - if (xdata) - local->xdata = dict_ref(xdata); - if (local->xattr) { - stripe_aggregate_xattr(local->xdata, local->xattr); - dict_unref(local->xattr); - local->xattr = NULL; - } - } - - if (!local->xdata && !local->xattr) { - local->xattr = dict_ref(xdata); - } else if (local->xdata) { - stripe_aggregate_xattr(local->xdata, xdata); - } else if (local->xattr) { - stripe_aggregate_xattr(local->xattr, xdata); - } - - local->stbuf_blocks += buf->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - - if (gf_uuid_is_null(local->ia_gfid)) - gf_uuid_copy(local->ia_gfid, buf->ia_gfid); - - /* Make sure the gfid on all the nodes are same */ - if (gf_uuid_compare(local->ia_gfid, buf->ia_gfid)) { - gf_log(this->name, GF_LOG_WARNING, - "%s: gfid different on subvolume %s", local->loc.path, - prev->this->name); - } - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->op_ret == 0 && local->entry_self_heal_needed && - !gf_uuid_is_null(local->loc.inode->gfid)) - stripe_entry_self_heal(frame, this, local); - - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->stbuf.ia_blocks = local->stbuf_blocks; - local->stbuf.ia_size = local->stbuf_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - inode_ctx_put(local->inode, this, (uint64_t)(long)local->fctx); - } - - STRIPE_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, local->xdata, - &local->postparent); - } -out: - return 0; -} - -int32_t -stripe_lookup(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - int64_t filesize = 0; - int ret = 0; - uint64_t tmpctx = 0; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - loc_copy(&local->loc, loc); - - inode_ctx_get(local->inode, this, &tmpctx); - if (tmpctx) - local->fctx = (stripe_fd_ctx_t *)(long)tmpctx; - - /* quick-read friendly changes */ - if (xdata && dict_get(xdata, GF_CONTENT_KEY)) { - ret = dict_get_int64(xdata, GF_CONTENT_KEY, &filesize); - if (!ret && (filesize > priv->block_size)) - dict_del(xdata, GF_CONTENT_KEY); - } - - /* get stripe-size xattr on lookup. This would be required for - * open/read/write/pathinfo calls. Hence we send down the request - * even when type == IA_INVAL */ - - /* - * We aren't guaranteed to have xdata here. We need the format info for - * the file, so allocate xdata if necessary. - */ - if (!xdata) - xdata = dict_new(); - else - xdata = dict_ref(xdata); - - if (xdata && - (IA_ISREG(loc->inode->ia_type) || (loc->inode->ia_type == IA_INVAL))) { - ret = stripe_xattr_request_build(this, xdata, 8, 4, 4, 0); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "Failed to build" - " xattr request for %s", - loc->path); - } - - /* Every time in stripe lookup, all child nodes - should be looked up */ - local->call_count = priv->child_count; - while (trav) { - STACK_WIND(frame, stripe_lookup_cbk, trav->xlator, - trav->xlator->fops->lookup, loc, xdata); - trav = trav->next; - } - - dict_unref(xdata); - - return 0; -err: - STRIPE_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, - dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret == 0) { - local->op_ret = 0; - - if (FIRST_CHILD(this) == prev->this) { - local->stbuf = *buf; - } - - local->stbuf_blocks += buf->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - } - - STRIPE_STACK_UNWIND(stat, frame, local->op_ret, local->op_errno, - &local->stbuf, NULL); - } -out: - return 0; -} - -int32_t -stripe_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - if (IA_ISREG(loc->inode->ia_type)) { - inode_ctx_get(loc->inode, this, (uint64_t *)&fctx); - if (!fctx) - goto err; - local->fctx = fctx; - } - - while (trav) { - STACK_WIND(frame, stripe_stat_cbk, trav->xlator, - trav->xlator->fops->stat, loc, NULL); - trav = trav->next; - } - - return 0; - -err: - STRIPE_STACK_UNWIND(stat, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_statfs_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct statvfs *stbuf, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - int32_t callcnt = 0; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret && (op_errno != ENOTCONN)) { - local->op_errno = op_errno; - } - if (op_ret == 0) { - struct statvfs *dict_buf = &local->statvfs_buf; - dict_buf->f_bsize = stbuf->f_bsize; - dict_buf->f_frsize = stbuf->f_frsize; - dict_buf->f_blocks += stbuf->f_blocks; - dict_buf->f_bfree += stbuf->f_bfree; - dict_buf->f_bavail += stbuf->f_bavail; - dict_buf->f_files += stbuf->f_files; - dict_buf->f_ffree += stbuf->f_ffree; - dict_buf->f_favail += stbuf->f_favail; - dict_buf->f_fsid = stbuf->f_fsid; - dict_buf->f_flag = stbuf->f_flag; - dict_buf->f_namemax = stbuf->f_namemax; - local->op_ret = 0; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - STRIPE_STACK_UNWIND(statfs, frame, local->op_ret, local->op_errno, - &local->statvfs_buf, NULL); - } -out: - return 0; -} - -int32_t -stripe_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - - trav = this->children; - priv = this->private; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - local->op_errno = ENOTCONN; - frame->local = local; - - local->call_count = priv->child_count; - while (trav) { - STACK_WIND(frame, stripe_statfs_cbk, trav->xlator, - trav->xlator->fops->statfs, loc, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(statfs, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_truncate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret == 0) { - local->op_ret = 0; - if (FIRST_CHILD(this) == prev->this) { - local->pre_buf = *prebuf; - local->post_buf = *postbuf; - } - - local->prebuf_blocks += prebuf->ia_blocks; - local->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, local->fctx, prev); - correct_file_size(postbuf, local->fctx, prev); - - if (local->prebuf_size < prebuf->ia_size) - local->prebuf_size = prebuf->ia_size; - - if (local->postbuf_size < postbuf->ia_size) - local->postbuf_size = postbuf->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->pre_buf.ia_blocks = local->prebuf_blocks; - local->pre_buf.ia_size = local->prebuf_size; - local->post_buf.ia_blocks = local->postbuf_blocks; - local->post_buf.ia_size = local->postbuf_size; - } - - STRIPE_STACK_UNWIND(truncate, frame, local->op_ret, local->op_errno, - &local->pre_buf, &local->post_buf, NULL); - } -out: - return 0; -} - -int32_t -stripe_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = EINVAL; - int i, eof_idx; - off_t dest_offset, tmp_offset; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - inode_ctx_get(loc->inode, this, (uint64_t *)&fctx); - if (!fctx) { - gf_log(this->name, GF_LOG_ERROR, "no stripe context"); - op_errno = EINVAL; - goto err; - } - - local->fctx = fctx; - eof_idx = (offset / fctx->stripe_size) % fctx->stripe_count; - - for (i = 0; i < fctx->stripe_count; i++) { - if (!fctx->xl_array[i]) { - gf_log(this->name, GF_LOG_ERROR, "no xlator at index %d", i); - op_errno = EINVAL; - goto err; - } - - if (fctx->stripe_coalesce) { - /* - * The node that owns EOF is truncated to the exact - * coalesced offset. Nodes prior to this index should - * be rounded up to the size of the complete stripe, - * while nodes after this index should be rounded down - * to the size of the previous stripe. - */ - if (i < eof_idx) - tmp_offset = gf_roof(offset, - fctx->stripe_size * fctx->stripe_count); - else if (i > eof_idx) - tmp_offset = gf_floor(offset, - fctx->stripe_size * fctx->stripe_count); - else - tmp_offset = offset; - - dest_offset = coalesced_offset(tmp_offset, fctx->stripe_size, - fctx->stripe_count); - } else { - dest_offset = offset; - } - - STACK_WIND(frame, stripe_truncate_cbk, fctx->xl_array[i], - fctx->xl_array[i]->fops->truncate, loc, dest_offset, NULL); - } - - return 0; -err: - STRIPE_STACK_UNWIND(truncate, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preop, - struct iatt *postop, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret == 0) { - local->op_ret = 0; - - if (FIRST_CHILD(this) == prev->this) { - local->pre_buf = *preop; - local->post_buf = *postop; - } - - local->prebuf_blocks += preop->ia_blocks; - local->postbuf_blocks += postop->ia_blocks; - - correct_file_size(preop, local->fctx, prev); - correct_file_size(postop, local->fctx, prev); - - if (local->prebuf_size < preop->ia_size) - local->prebuf_size = preop->ia_size; - if (local->postbuf_size < postop->ia_size) - local->postbuf_size = postop->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->pre_buf.ia_blocks = local->prebuf_blocks; - local->pre_buf.ia_size = local->prebuf_size; - local->post_buf.ia_blocks = local->postbuf_blocks; - local->post_buf.ia_size = local->postbuf_size; - } - - STRIPE_STACK_UNWIND(setattr, frame, local->op_ret, local->op_errno, - &local->pre_buf, &local->post_buf, NULL); - } -out: - return 0; -} - -int32_t -stripe_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, - struct iatt *stbuf, int32_t valid, dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - if (!IA_ISDIR(loc->inode->ia_type) && !IA_ISREG(loc->inode->ia_type)) { - local->call_count = 1; - STACK_WIND(frame, stripe_setattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->setattr, loc, stbuf, valid, NULL); - return 0; - } - - if (IA_ISREG(loc->inode->ia_type)) { - inode_ctx_get(loc->inode, this, (uint64_t *)&fctx); - if (!fctx) - goto err; - local->fctx = fctx; - } - - local->call_count = priv->child_count; - while (trav) { - STACK_WIND(frame, stripe_setattr_cbk, trav->xlator, - trav->xlator->fops->setattr, loc, stbuf, valid, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(setattr, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iatt *stbuf, int32_t valid, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND(frame, stripe_setattr_cbk, trav->xlator, - trav->xlator->fops->fsetattr, fd, stbuf, valid, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(fsetattr, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_stack_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, - struct iatt *preoldparent, struct iatt *postoldparent, - struct iatt *prenewparent, struct iatt *postnewparent, - dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret == 0) { - local->op_ret = 0; - - local->stbuf.ia_blocks += buf->ia_blocks; - local->preparent.ia_blocks += preoldparent->ia_blocks; - local->postparent.ia_blocks += postoldparent->ia_blocks; - local->pre_buf.ia_blocks += prenewparent->ia_blocks; - local->post_buf.ia_blocks += postnewparent->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf.ia_size < buf->ia_size) - local->stbuf.ia_size = buf->ia_size; - - if (local->preparent.ia_size < preoldparent->ia_size) - local->preparent.ia_size = preoldparent->ia_size; - - if (local->postparent.ia_size < postoldparent->ia_size) - local->postparent.ia_size = postoldparent->ia_size; - - if (local->pre_buf.ia_size < prenewparent->ia_size) - local->pre_buf.ia_size = prenewparent->ia_size; - - if (local->post_buf.ia_size < postnewparent->ia_size) - local->post_buf.ia_size = postnewparent->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - STRIPE_STACK_UNWIND(rename, frame, local->op_ret, local->op_errno, - &local->stbuf, &local->preparent, - &local->postparent, &local->pre_buf, - &local->post_buf, NULL); - } -out: - return 0; -} - -int32_t -stripe_first_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, - struct iatt *preoldparent, struct iatt *postoldparent, - struct iatt *prenewparent, struct iatt *postnewparent, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - op_errno = EINVAL; - goto unwind; - } - - if (op_ret == -1) { - goto unwind; - } - - local = frame->local; - trav = this->children; - - local->stbuf = *buf; - local->preparent = *preoldparent; - local->postparent = *postoldparent; - local->pre_buf = *prenewparent; - local->post_buf = *postnewparent; - - local->op_ret = 0; - local->call_count--; - - trav = trav->next; /* Skip first child */ - while (trav) { - STACK_WIND(frame, stripe_stack_rename_cbk, trav->xlator, - trav->xlator->fops->rename, &local->loc, &local->loc2, NULL); - trav = trav->next; - } - return 0; - -unwind: - STRIPE_STACK_UNWIND(rename, frame, -1, op_errno, buf, preoldparent, - postoldparent, prenewparent, postnewparent, NULL); - return 0; -} - -int32_t -stripe_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, - dict_t *xdata) -{ - stripe_private_t *priv = NULL; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(oldloc, err); - VALIDATE_OR_GOTO(oldloc->path, err); - VALIDATE_OR_GOTO(oldloc->inode, err); - VALIDATE_OR_GOTO(newloc, err); - - priv = this->private; - trav = this->children; - - /* If any one node is down, don't allow rename */ - if (priv->nodes_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - frame->local = local; - - local->op_ret = -1; - loc_copy(&local->loc, oldloc); - loc_copy(&local->loc2, newloc); - - local->call_count = priv->child_count; - - if (IA_ISREG(oldloc->inode->ia_type)) { - inode_ctx_get(oldloc->inode, this, (uint64_t *)&fctx); - if (!fctx) - goto err; - local->fctx = fctx; - } - - STACK_WIND(frame, stripe_first_rename_cbk, trav->xlator, - trav->xlator->fops->rename, oldloc, newloc, NULL); - - return 0; -err: - STRIPE_STACK_UNWIND(rename, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL, NULL); - return 0; -} -int32_t -stripe_first_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - struct iatt *preparent, struct iatt *postparent, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - goto out; - } - local->op_ret = 0; - local->preparent = *preparent; - local->postparent = *postparent; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - STRIPE_STACK_UNWIND(unlink, frame, local->op_ret, local->op_errno, - &local->preparent, &local->postparent, xdata); - return 0; -out: - STRIPE_STACK_UNWIND(unlink, frame, -1, op_errno, NULL, NULL, NULL); - - return 0; -} - -int32_t -stripe_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - local->op_errno = op_errno; - if (op_errno != ENOENT) { - local->failed = 1; - local->op_ret = op_ret; - } - } - } - UNLOCK(&frame->lock); - - if (callcnt == 1) { - if (local->failed) { - op_errno = local->op_errno; - goto out; - } - STACK_WIND(frame, stripe_first_unlink_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->unlink, &local->loc, local->xflag, - local->xdata); - } - return 0; -out: - STRIPE_STACK_UNWIND(unlink, frame, -1, op_errno, NULL, NULL, NULL); - - return 0; -} - -int32_t -stripe_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag, - dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Don't unlink a file if a node is down */ - if (priv->nodes_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - loc_copy(&local->loc, loc); - local->xflag = xflag; - - if (xdata) - local->xdata = dict_ref(xdata); - - frame->local = local; - local->call_count = priv->child_count; - trav = trav->next; /* Skip the first child */ - - while (trav) { - STACK_WIND(frame, stripe_unlink_cbk, trav->xlator, - trav->xlator->fops->unlink, loc, xflag, xdata); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(unlink, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_first_rmdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - stripe_local_t *local = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - op_errno = EINVAL; - goto err; - } - - if (op_ret == -1) { - goto err; - } - - local = frame->local; - local->op_ret = 0; - - local->call_count--; /* First child successful */ - - local->preparent = *preparent; - local->postparent = *postparent; - local->preparent_size = preparent->ia_size; - local->postparent_size = postparent->ia_size; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - STRIPE_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno, - &local->preparent, &local->postparent, xdata); - return 0; -err: - STRIPE_STACK_UNWIND(rmdir, frame, op_ret, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_rmdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - if (op_errno != ENOENT) - local->failed = 1; - } - } - UNLOCK(&frame->lock); - - if (callcnt == 1) { - if (local->failed) - goto out; - STACK_WIND(frame, stripe_first_rmdir_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->rmdir, &local->loc, local->flags, - NULL); - } - return 0; -out: - STRIPE_STACK_UNWIND(rmdir, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, - dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - /* don't delete a directory if any of the subvolume is down */ - if (priv->nodes_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - loc_copy(&local->loc, loc); - local->flags = flags; - local->call_count = priv->child_count; - trav = trav->next; /* skip the first child */ - - while (trav) { - STACK_WIND(frame, stripe_rmdir_cbk, trav->xlator, - trav->xlator->fops->rmdir, loc, flags, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(rmdir, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_mknod_ifreg_fail_unlink_cbk(call_frame_t *frame, void *cookie, - xlator_t *this, int32_t op_ret, - int32_t op_errno, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - STRIPE_STACK_UNWIND(mknod, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, &local->preparent, - &local->postparent, NULL); - } -out: - return 0; -} - -/** - */ -int32_t -stripe_mknod_ifreg_setxattr_cbk(call_frame_t *frame, void *cookie, - xlator_t *this, int32_t op_ret, - int32_t op_errno, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - priv = this->private; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->op_ret == -1) { - local->call_count = priv->child_count; - while (trav) { - STACK_WIND(frame, stripe_mknod_ifreg_fail_unlink_cbk, - trav->xlator, trav->xlator->fops->unlink, - &local->loc, 0, NULL); - trav = trav->next; - } - return 0; - } - - STRIPE_STACK_UNWIND(mknod, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, &local->preparent, - &local->postparent, NULL); - } -out: - return 0; -} - -int32_t -stripe_mknod_ifreg_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - call_frame_t *prev = NULL; - xlator_list_t *trav = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - priv = this->private; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - local->op_errno = op_errno; - } - if (op_ret >= 0) { - local->op_ret = op_ret; - - /* Can be used as a mechanism to understand if mknod - was successful in at least one place */ - if (gf_uuid_is_null(local->ia_gfid)) - gf_uuid_copy(local->ia_gfid, buf->ia_gfid); - - if (stripe_ctx_handle(this, prev, local, xdata)) - gf_log(this->name, GF_LOG_ERROR, - "Error getting fctx info from dict"); - - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->preparent_size < preparent->ia_size) - local->preparent_size = preparent->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if ((local->op_ret == -1) && !gf_uuid_is_null(local->ia_gfid)) { - /* ia_gfid set means, at least on one node 'mknod' - is successful */ - local->call_count = priv->child_count; - trav = this->children; - while (trav) { - STACK_WIND(frame, stripe_mknod_ifreg_fail_unlink_cbk, - trav->xlator, trav->xlator->fops->unlink, - &local->loc, 0, NULL); - trav = trav->next; - } - return 0; - } - - if (local->op_ret != -1) { - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - inode_ctx_put(local->inode, this, (uint64_t)(long)local->fctx); - } - STRIPE_STACK_UNWIND(mknod, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, &local->preparent, - &local->postparent, NULL); - } -out: - return 0; -} - -int32_t -stripe_mknod_first_ifreg_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - call_frame_t *prev = NULL; - xlator_list_t *trav = NULL; - int i = 1; - dict_t *dict = NULL; - int ret = 0; - int need_unref = 0; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - priv = this->private; - local = frame->local; - trav = this->children; - - local->call_count--; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->failed = 1; - local->op_errno = op_errno; - goto out; - } - - local->op_ret = op_ret; - - local->stbuf = *buf; - local->preparent = *preparent; - local->postparent = *postparent; - - if (gf_uuid_is_null(local->ia_gfid)) - gf_uuid_copy(local->ia_gfid, buf->ia_gfid); - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - - trav = trav->next; - while (trav) { - if (priv->xattr_supported) { - dict = dict_new(); - if (!dict) { - gf_log(this->name, GF_LOG_ERROR, "failed to allocate dict %s", - local->loc.path); - } - need_unref = 1; - - dict_copy(local->xattr, dict); - - ret = stripe_xattr_request_build(this, dict, local->stripe_size, - priv->child_count, i, - priv->coalesce); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "Failed to build xattr request"); - - } else { - dict = local->xattr; - } - - STACK_WIND(frame, stripe_mknod_ifreg_cbk, trav->xlator, - trav->xlator->fops->mknod, &local->loc, local->mode, - local->rdev, 0, dict); - trav = trav->next; - i++; - - if (dict && need_unref) - dict_unref(dict); - } - - return 0; - -out: - - STRIPE_STACK_UNWIND(mknod, frame, op_ret, op_errno, NULL, NULL, NULL, NULL, - NULL); - return 0; -} - -int32_t -stripe_single_mknod_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - STRIPE_STACK_UNWIND(mknod, frame, op_ret, op_errno, inode, buf, preparent, - postparent, xdata); - return 0; -} - -int -stripe_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, - dev_t rdev, mode_t umask, dict_t *xdata) -{ - stripe_private_t *priv = NULL; - stripe_local_t *local = NULL; - int32_t op_errno = EINVAL; - int32_t i = 0; - dict_t *dict = NULL; - int ret = 0; - int need_unref = 0; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - if (S_ISREG(mode)) { - /* NOTE: on older kernels (older than 2.6.9), - creat() fops is sent as mknod() + open(). Hence handling - S_IFREG files is necessary */ - if (priv->nodes_down) { - gf_log(this->name, GF_LOG_WARNING, "Some node down, returning EIO"); - op_errno = EIO; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - local->op_errno = ENOTCONN; - local->stripe_size = stripe_get_matching_bs(loc->path, priv); - frame->local = local; - local->inode = inode_ref(loc->inode); - loc_copy(&local->loc, loc); - local->xattr = dict_copy_with_ref(xdata, NULL); - local->mode = mode; - local->umask = umask; - local->rdev = rdev; - - /* Every time in stripe lookup, all child nodes should - be looked up */ - local->call_count = priv->child_count; - - if (priv->xattr_supported) { - dict = dict_new(); - if (!dict) { - gf_log(this->name, GF_LOG_ERROR, "failed to allocate dict %s", - loc->path); - } - need_unref = 1; - - dict_copy(xdata, dict); - - ret = stripe_xattr_request_build(this, dict, local->stripe_size, - priv->child_count, i, - priv->coalesce); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "failed to build xattr request"); - } else { - dict = xdata; - } - - STACK_WIND(frame, stripe_mknod_first_ifreg_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, umask, - dict); - - if (dict && need_unref) - dict_unref(dict); - return 0; - } - - STACK_WIND(frame, stripe_single_mknod_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, umask, xdata); - - return 0; -err: - STRIPE_STACK_UNWIND(mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL); - return 0; -} - -int32_t -stripe_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret >= 0) { - local->op_ret = 0; - - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->preparent_size < preparent->ia_size) - local->preparent_size = preparent->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed != -1) { - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - } - STRIPE_STACK_UNWIND(mkdir, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, &local->preparent, - &local->postparent, NULL); - } -out: - return 0; -} - -int32_t -stripe_first_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - xlator_list_t *trav = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - trav = this->children; - - local->call_count--; /* first child is successful */ - trav = trav->next; /* skip first child */ - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - goto out; - } - - local->op_ret = 0; - - local->inode = inode_ref(inode); - local->stbuf = *buf; - local->postparent = *postparent; - local->preparent = *preparent; - - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - local->stbuf_size = buf->ia_size; - local->preparent_size = preparent->ia_size; - local->postparent_size = postparent->ia_size; - - while (trav) { - STACK_WIND(frame, stripe_mkdir_cbk, trav->xlator, - trav->xlator->fops->mkdir, &local->loc, local->mode, - local->umask, local->xdata); - trav = trav->next; - } - return 0; -out: - STRIPE_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL); - - return 0; -} - -int -stripe_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, - mode_t umask, dict_t *xdata) -{ - stripe_private_t *priv = NULL; - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - local->call_count = priv->child_count; - if (xdata) - local->xdata = dict_ref(xdata); - local->mode = mode; - local->umask = umask; - loc_copy(&local->loc, loc); - frame->local = local; - - /* Every time in stripe lookup, all child nodes should be looked up */ - STACK_WIND(frame, stripe_first_mkdir_cbk, trav->xlator, - trav->xlator->fops->mkdir, loc, mode, umask, xdata); - - return 0; -err: - STRIPE_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL); - return 0; -} - -int32_t -stripe_link_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - stripe_fd_ctx_t *fctx = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret >= 0) { - local->op_ret = 0; - - if (IA_ISREG(inode->ia_type)) { - inode_ctx_get(inode, this, (uint64_t *)&fctx); - if (!fctx) { - gf_log(this->name, GF_LOG_ERROR, - "failed to get stripe context"); - op_ret = -1; - op_errno = EINVAL; - } - } - - if (FIRST_CHILD(this) == prev->this) { - local->inode = inode_ref(inode); - local->stbuf = *buf; - local->postparent = *postparent; - local->preparent = *preparent; - } - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - correct_file_size(buf, fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->preparent_size < preparent->ia_size) - local->preparent_size = preparent->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - } - STRIPE_STACK_UNWIND(link, frame, local->op_ret, local->op_errno, - local->inode, &local->stbuf, &local->preparent, - &local->postparent, NULL); - } -out: - return 0; -} - -int32_t -stripe_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, - dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(oldloc, err); - VALIDATE_OR_GOTO(oldloc->path, err); - VALIDATE_OR_GOTO(oldloc->inode, err); - - priv = this->private; - trav = this->children; - - /* If any one node is down, don't allow link operation */ - if (priv->nodes_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - /* Every time in stripe lookup, all child - nodes should be looked up */ - while (trav) { - STACK_WIND(frame, stripe_link_cbk, trav->xlator, - trav->xlator->fops->link, oldloc, newloc, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL); - return 0; -} - -int32_t -stripe_create_fail_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, - struct iatt *preparent, struct iatt *postparent, - dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - STRIPE_STACK_UNWIND(create, frame, local->op_ret, local->op_errno, - local->fd, local->inode, &local->stbuf, - &local->preparent, &local->postparent, NULL); - } -out: - return 0; -} - -int32_t -stripe_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, - struct iatt *buf, struct iatt *preparent, - struct iatt *postparent, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - call_frame_t *prev = NULL; - xlator_list_t *trav = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - priv = this->private; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->failed = 1; - local->op_errno = op_errno; - } - - if (op_ret >= 0) { - if (IA_ISREG(buf->ia_type)) { - if (stripe_ctx_handle(this, prev, local, xdata)) - gf_log(this->name, GF_LOG_ERROR, - "Error getting fctx info from " - "dict"); - } - - local->op_ret = op_ret; - - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->preparent_size < preparent->ia_size) - local->preparent_size = preparent->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret == -1) { - local->call_count = priv->child_count; - trav = this->children; - while (trav) { - STACK_WIND(frame, stripe_create_fail_unlink_cbk, trav->xlator, - trav->xlator->fops->unlink, &local->loc, 0, NULL); - trav = trav->next; - } - - return 0; - } - - if (local->op_ret >= 0) { - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - - stripe_copy_xl_array(local->fctx->xl_array, priv->xl_array, - local->fctx->stripe_count); - inode_ctx_put(local->inode, this, (uint64_t)(uintptr_t)local->fctx); - } - - /* Create itself has failed.. so return - without setxattring */ - STRIPE_STACK_UNWIND(create, frame, local->op_ret, local->op_errno, - local->fd, local->inode, &local->stbuf, - &local->preparent, &local->postparent, NULL); - } - -out: - return 0; -} - -int32_t -stripe_first_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd, - inode_t *inode, struct iatt *buf, - struct iatt *preparent, struct iatt *postparent, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - call_frame_t *prev = NULL; - xlator_list_t *trav = NULL; - int i = 1; - dict_t *dict = NULL; - loc_t *loc = NULL; - int32_t need_unref = 0; - int32_t ret = -1; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - priv = this->private; - local = frame->local; - trav = this->children; - loc = &local->loc; - - --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->failed = 1; - local->op_errno = op_errno; - } - - local->op_ret = 0; - /* Get the mapping in inode private */ - /* Get the stat buf right */ - local->stbuf = *buf; - local->preparent = *preparent; - local->postparent = *postparent; - - local->stbuf_blocks += buf->ia_blocks; - local->preparent_blocks += preparent->ia_blocks; - local->postparent_blocks += postparent->ia_blocks; - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - if (local->preparent_size < preparent->ia_size) - local->preparent_size = preparent->ia_size; - if (local->postparent_size < postparent->ia_size) - local->postparent_size = postparent->ia_size; - - if (local->failed) - local->op_ret = -1; - - if (local->op_ret == -1) { - local->call_count = 1; - STACK_WIND(frame, stripe_create_fail_unlink_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->unlink, &local->loc, 0, NULL); - return 0; - } - - if (local->op_ret >= 0) { - local->preparent.ia_blocks = local->preparent_blocks; - local->preparent.ia_size = local->preparent_size; - local->postparent.ia_blocks = local->postparent_blocks; - local->postparent.ia_size = local->postparent_size; - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - } - - /* Send a setxattr request to nodes where the - files are created */ - trav = trav->next; - while (trav) { - if (priv->xattr_supported) { - dict = dict_new(); - if (!dict) { - gf_log(this->name, GF_LOG_ERROR, "failed to allocate dict %s", - loc->path); - } - need_unref = 1; - - dict_copy(local->xattr, dict); - - ret = stripe_xattr_request_build(this, dict, local->stripe_size, - priv->child_count, i, - priv->coalesce); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "failed to build xattr request"); - } else { - dict = local->xattr; - } - - STACK_WIND(frame, stripe_create_cbk, trav->xlator, - trav->xlator->fops->create, &local->loc, local->flags, - local->mode, local->umask, local->fd, dict); - trav = trav->next; - if (need_unref && dict) - dict_unref(dict); - i++; - } - -out: - return 0; -} - -/** - * stripe_create - If a block-size is specified for the 'name', create the - * file in all the child nodes. If not, create it in only first child. - * - * @name- complete path of the file to be created. - */ -int32_t -stripe_create(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata) -{ - stripe_private_t *priv = NULL; - stripe_local_t *local = NULL; - int32_t op_errno = EINVAL; - int ret = 0; - int need_unref = 0; - int i = 0; - dict_t *dict = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - - /* files created in O_APPEND mode does not allow lseek() on fd */ - flags &= ~O_APPEND; - - if (priv->first_child_down || priv->nodes_down) { - gf_log(this->name, GF_LOG_DEBUG, "First node down, returning EIO"); - op_errno = EIO; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - local->op_errno = ENOTCONN; - local->stripe_size = stripe_get_matching_bs(loc->path, priv); - frame->local = local; - local->inode = inode_ref(loc->inode); - loc_copy(&local->loc, loc); - local->fd = fd_ref(fd); - local->flags = flags; - local->mode = mode; - local->umask = umask; - if (xdata) - local->xattr = dict_ref(xdata); - - local->call_count = priv->child_count; - /* Send a setxattr request to nodes where the - files are created */ - - if (priv->xattr_supported) { - dict = dict_new(); - if (!dict) { - gf_log(this->name, GF_LOG_ERROR, "failed to allocate dict %s", - loc->path); - } - need_unref = 1; - - dict_copy(xdata, dict); - - ret = stripe_xattr_request_build(this, dict, local->stripe_size, - priv->child_count, i, priv->coalesce); - if (ret) - gf_log(this->name, GF_LOG_ERROR, "failed to build xattr request"); - } else { - dict = xdata; - } - - STACK_WIND(frame, stripe_first_create_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->create, loc, flags, mode, umask, fd, - dict); - - if (need_unref && dict) - dict_unref(dict); - - return 0; -err: - STRIPE_STACK_UNWIND(create, frame, -1, op_errno, NULL, NULL, NULL, NULL, - NULL, xdata); - return 0; -} - -int32_t -stripe_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - local->op_errno = op_errno; - } - - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - STRIPE_STACK_UNWIND(open, frame, local->op_ret, local->op_errno, - local->fd, xdata); - } -out: - return 0; -} - -/** - * stripe_open - - */ -int32_t -stripe_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - fd_t *fd, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - /* files opened in O_APPEND mode does not allow lseek() on fd */ - flags &= ~O_APPEND; - - local->fd = fd_ref(fd); - frame->local = local; - loc_copy(&local->loc, loc); - - /* Striped files */ - local->flags = flags; - local->call_count = priv->child_count; - local->stripe_size = stripe_get_matching_bs(loc->path, priv); - - while (trav) { - STACK_WIND(frame, stripe_open_cbk, trav->xlator, - trav->xlator->fops->open, &local->loc, local->flags, - local->fd, xdata); - trav = trav->next; - } - return 0; -err: - STRIPE_STACK_UNWIND(open, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_ret = -1; - local->op_errno = op_errno; - } - - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - STRIPE_STACK_UNWIND(opendir, frame, local->op_ret, local->op_errno, - local->fd, NULL); - } -out: - return 0; -} - -int32_t -stripe_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd, - dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - local->call_count = priv->child_count; - local->fd = fd_ref(fd); - - while (trav) { - STACK_WIND(frame, stripe_opendir_cbk, trav->xlator, - trav->xlator->fops->opendir, loc, fd, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(opendir, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_lk_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, - int32_t op_errno, struct gf_flock *lock, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - if (op_ret >= 0) { - if (FIRST_CHILD(this) == prev->this) { - /* First successful call, copy the *lock */ - local->op_ret = op_ret; - local->lock = *lock; - } - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - STRIPE_STACK_UNWIND(lk, frame, local->op_ret, local->op_errno, - &local->lock, NULL); - } -out: - return 0; -} - -int32_t -stripe_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, - struct gf_flock *lock, dict_t *xdata) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - trav = this->children; - priv = this->private; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND(frame, stripe_lk_cbk, trav->xlator, trav->xlator->fops->lk, - fd, cmd, lock, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(lk, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_flush_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - STRIPE_STACK_UNWIND(flush, frame, local->op_ret, local->op_errno, NULL); - } -out: - return 0; -} - -int32_t -stripe_flush(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND(frame, stripe_flush_cbk, trav->xlator, - trav->xlator->fops->flush, fd, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(flush, frame, -1, op_errno, NULL); - return 0; -} - -int32_t -stripe_fsync_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - if (op_ret >= 0) { - local->op_ret = op_ret; - if (FIRST_CHILD(this) == prev->this) { - local->pre_buf = *prebuf; - local->post_buf = *postbuf; - } - local->prebuf_blocks += prebuf->ia_blocks; - local->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, local->fctx, prev); - correct_file_size(postbuf, local->fctx, prev); - - if (local->prebuf_size < prebuf->ia_size) - local->prebuf_size = prebuf->ia_size; - - if (local->postbuf_size < postbuf->ia_size) - local->postbuf_size = postbuf->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->pre_buf.ia_blocks = local->prebuf_blocks; - local->pre_buf.ia_size = local->prebuf_size; - local->post_buf.ia_blocks = local->postbuf_blocks; - local->post_buf.ia_size = local->postbuf_size; - } - - STRIPE_STACK_UNWIND(fsync, frame, local->op_ret, local->op_errno, - &local->pre_buf, &local->post_buf, NULL); - } -out: - return 0; -} - -int32_t -stripe_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - frame->local = local; - - inode_ctx_get(fd->inode, this, (uint64_t *)&fctx); - if (!fctx) { - op_errno = EINVAL; - goto err; - } - local->fctx = fctx; - local->op_ret = -1; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND(frame, stripe_fsync_cbk, trav->xlator, - trav->xlator->fops->fsync, fd, flags, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(fsync, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_fstat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, - dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned error %s", - prev->this->name, strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - - if (op_ret == 0) { - local->op_ret = 0; - - if (FIRST_CHILD(this) == prev->this) - local->stbuf = *buf; - - local->stbuf_blocks += buf->ia_blocks; - - correct_file_size(buf, local->fctx, prev); - - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - if (local->op_ret != -1) { - local->stbuf.ia_size = local->stbuf_size; - local->stbuf.ia_blocks = local->stbuf_blocks; - } - - STRIPE_STACK_UNWIND(fstat, frame, local->op_ret, local->op_errno, - &local->stbuf, NULL); - } - -out: - return 0; -} - -int32_t -stripe_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - if (IA_ISREG(fd->inode->ia_type)) { - inode_ctx_get(fd->inode, this, (uint64_t *)&fctx); - if (!fctx) - goto err; - local->fctx = fctx; - } - - while (trav) { - STACK_WIND(frame, stripe_fstat_cbk, trav->xlator, - trav->xlator->fops->fstat, fd, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(fstat, frame, -1, op_errno, NULL, NULL); - return 0; -} - -int32_t -stripe_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - stripe_fd_ctx_t *fctx = NULL; - int i, eof_idx; - off_t dest_offset, tmp_offset; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - inode_ctx_get(fd->inode, this, (uint64_t *)&fctx); - if (!fctx) { - gf_log(this->name, GF_LOG_ERROR, "no stripe context"); - op_errno = EINVAL; - goto err; - } - if (!fctx->stripe_count) { - gf_log(this->name, GF_LOG_ERROR, "no stripe count"); - op_errno = EINVAL; - goto err; - } - - local->fctx = fctx; - eof_idx = (offset / fctx->stripe_size) % fctx->stripe_count; - - for (i = 0; i < fctx->stripe_count; i++) { - if (!fctx->xl_array[i]) { - gf_log(this->name, GF_LOG_ERROR, - "no xlator at index " - "%d", - i); - op_errno = EINVAL; - goto err; - } - - if (fctx->stripe_coalesce) { - if (i < eof_idx) - tmp_offset = gf_roof(offset, - fctx->stripe_size * fctx->stripe_count); - else if (i > eof_idx) - tmp_offset = gf_floor(offset, - fctx->stripe_size * fctx->stripe_count); - else - tmp_offset = offset; - - dest_offset = coalesced_offset(tmp_offset, fctx->stripe_size, - fctx->stripe_count); - } else { - dest_offset = offset; - } - - STACK_WIND(frame, stripe_truncate_cbk, fctx->xl_array[i], - fctx->xl_array[i]->fops->ftruncate, fd, dest_offset, NULL); - } - - return 0; -err: - STRIPE_STACK_UNWIND(ftruncate, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_fsyncdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, "%s returned %s", prev->this->name, - strerror(op_errno)); - local->op_errno = op_errno; - if ((op_errno != ENOENT) || (prev->this == FIRST_CHILD(this))) - local->failed = 1; - } - if (op_ret >= 0) - local->op_ret = op_ret; - } - UNLOCK(&frame->lock); - - if (!callcnt) { - if (local->failed) - local->op_ret = -1; - - STRIPE_STACK_UNWIND(fsyncdir, frame, local->op_ret, local->op_errno, - NULL); - } -out: - return 0; -} - -int32_t -stripe_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - int32_t op_errno = 1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - local->call_count = priv->child_count; - - while (trav) { - STACK_WIND(frame, stripe_fsyncdir_cbk, trav->xlator, - trav->xlator->fops->fsyncdir, fd, flags, NULL); - trav = trav->next; - } - - return 0; -err: - STRIPE_STACK_UNWIND(fsyncdir, frame, -1, op_errno, NULL); - return 0; -} - -int32_t -stripe_readv_fstat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, - dict_t *xdata) -{ - int32_t i = 0; - int32_t callcnt = 0; - int32_t count = 0; - stripe_local_t *local = NULL; - struct iovec *vec = NULL; - struct iatt tmp_stbuf = { - 0, - }; - struct iobref *tmp_iobref = NULL; - struct iobuf *iobuf = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - local = frame->local; - prev = cookie; - - LOCK(&frame->lock); - { - callcnt = --local->call_count; - if (op_ret != -1) { - correct_file_size(buf, local->fctx, prev); - if (local->stbuf_size < buf->ia_size) - local->stbuf_size = buf->ia_size; - } - } - UNLOCK(&frame->lock); - - if (!callcnt) { - op_ret = 0; - - /* Keep extra space for filling in '\0's */ - vec = GF_CALLOC((local->count * 2), sizeof(struct iovec), - gf_stripe_mt_iovec); - if (!vec) { - op_ret = -1; - goto done; - } - - for (i = 0; i < local->wind_count; i++) { - if (local->replies[i].op_ret) { - memcpy((vec + count), local->replies[i].vector, - (local->replies[i].count * sizeof(struct iovec))); - count += local->replies[i].count; - op_ret += local->replies[i].op_ret; - } - if ((local->replies[i].op_ret < local->replies[i].requested_size) && - (local->stbuf_size > (local->offset + op_ret))) { - /* Fill in 0s here */ - vec[count].iov_len = (local->replies[i].requested_size - - local->replies[i].op_ret); - iobuf = iobuf_get2(this->ctx->iobuf_pool, vec[count].iov_len); - if (!iobuf) { - gf_log(this->name, GF_LOG_ERROR, "Out of memory."); - op_ret = -1; - op_errno = ENOMEM; - goto done; - } - memset(iobuf->ptr, 0, vec[count].iov_len); - vec[count].iov_base = iobuf->ptr; - - iobref_add(local->iobref, iobuf); - iobuf_unref(iobuf); - - op_ret += vec[count].iov_len; - count++; - } - GF_FREE(local->replies[i].vector); - } - - /* ENOENT signals EOF to the NFS-server */ - if (op_ret != -1 && op_ret < local->readv_size && - (local->offset + op_ret == buf->ia_size)) - op_errno = ENOENT; - - /* FIXME: notice that st_ino, and st_dev (gen) will be - * different than what inode will have. Make sure this doesn't - * cause any bugs at higher levels */ - memcpy(&tmp_stbuf, &local->replies[0].stbuf, sizeof(struct iatt)); - tmp_stbuf.ia_size = local->stbuf_size; - - done: - GF_FREE(local->replies); - tmp_iobref = local->iobref; - STRIPE_STACK_UNWIND(readv, frame, op_ret, op_errno, vec, count, - &tmp_stbuf, tmp_iobref, NULL); - - iobref_unref(tmp_iobref); - GF_FREE(vec); - } -out: - return 0; -} - -/** - * stripe_readv_cbk - get all the striped reads, and order it properly, send it - * to above layer after putting it in a single vector. - */ -int32_t -stripe_readv_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iovec *vector, - int32_t count, struct iatt *stbuf, struct iobref *iobref, - dict_t *xdata) -{ - int32_t index = 0; - int32_t callcnt = 0; - int32_t final_count = 0; - int32_t need_to_check_proper_size = 0; - call_frame_t *mframe = NULL; - stripe_local_t *mlocal = NULL; - stripe_local_t *local = NULL; - struct iovec *final_vec = NULL; - struct iatt tmp_stbuf = { - 0, - }; - struct iatt *tmp_stbuf_p = NULL; // need it for a warning - struct iobref *tmp_iobref = NULL; - stripe_fd_ctx_t *fctx = NULL; - call_frame_t *prev = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto end; - } - - local = frame->local; - index = local->node_index; - prev = cookie; - mframe = local->orig_frame; - if (!mframe) - goto out; - - mlocal = mframe->local; - if (!mlocal) - goto out; - - fctx = mlocal->fctx; - - LOCK(&mframe->lock); - { - mlocal->replies[index].op_ret = op_ret; - mlocal->replies[index].op_errno = op_errno; - mlocal->replies[index].requested_size = local->readv_size; - if (op_ret >= 0) { - mlocal->replies[index].stbuf = *stbuf; - mlocal->replies[index].count = count; - mlocal->replies[index].vector = iov_dup(vector, count); - - correct_file_size(stbuf, fctx, prev); - - if (local->stbuf_size < stbuf->ia_size) - local->stbuf_size = stbuf->ia_size; - local->stbuf_blocks += stbuf->ia_blocks; - - if (!mlocal->iobref) - mlocal->iobref = iobref_new(); - iobref_merge(mlocal->iobref, iobref); - } - callcnt = ++mlocal->call_count; - } - UNLOCK(&mframe->lock); - - if (callcnt == mlocal->wind_count) { - op_ret = 0; - - for (index = 0; index < mlocal->wind_count; index++) { - /* check whether each stripe returned - * 'expected' number of bytes */ - if (mlocal->replies[index].op_ret == -1) { - op_ret = -1; - op_errno = mlocal->replies[index].op_errno; - break; - } - /* TODO: handle the 'holes' within the read range - properly */ - if (mlocal->replies[index].op_ret < - mlocal->replies[index].requested_size) { - need_to_check_proper_size = 1; - } - - op_ret += mlocal->replies[index].op_ret; - mlocal->count += mlocal->replies[index].count; - } - if (op_ret == -1) - goto done; - if (need_to_check_proper_size) - goto check_size; - - final_vec = GF_CALLOC(mlocal->count, sizeof(struct iovec), - gf_stripe_mt_iovec); - - if (!final_vec) { - op_ret = -1; - goto done; - } - - for (index = 0; index < mlocal->wind_count; index++) { - memcpy((final_vec + final_count), mlocal->replies[index].vector, - (mlocal->replies[index].count * sizeof(struct iovec))); - final_count += mlocal->replies[index].count; - GF_FREE(mlocal->replies[index].vector); - } - - /* FIXME: notice that st_ino, and st_dev (gen) will be - * different than what inode will have. Make sure this doesn't - * cause any bugs at higher levels */ - memcpy(&tmp_stbuf, &mlocal->replies[0].stbuf, sizeof(struct iatt)); - tmp_stbuf.ia_size = local->stbuf_size; - tmp_stbuf.ia_blocks = local->stbuf_blocks; - - done: - /* */ - GF_FREE(mlocal->replies); - tmp_iobref = mlocal->iobref; - /* work around for nfs truncated read. Bug 3774 */ - tmp_stbuf_p = &tmp_stbuf; - WIPE(tmp_stbuf_p); - STRIPE_STACK_UNWIND(readv, mframe, op_ret, op_errno, final_vec, - final_count, &tmp_stbuf, tmp_iobref, NULL); - - iobref_unref(tmp_iobref); - GF_FREE(final_vec); - } - - goto out; - -check_size: - mlocal->call_count = fctx->stripe_count; - - for (index = 0; index < fctx->stripe_count; index++) { - STACK_WIND(mframe, stripe_readv_fstat_cbk, (fctx->xl_array[index]), - (fctx->xl_array[index])->fops->fstat, mlocal->fd, NULL); - } - -out: - STRIPE_STACK_DESTROY(frame); -end: - return 0; -} - -int32_t -stripe_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t offset, uint32_t flags, dict_t *xdata) -{ - int32_t op_errno = EINVAL; - int32_t idx = 0; - int32_t index = 0; - int32_t num_stripe = 0; - int32_t off_index = 0; - size_t frame_size = 0; - off_t rounded_end = 0; - uint64_t tmp_fctx = 0; - uint64_t stripe_size = 0; - off_t rounded_start = 0; - off_t frame_offset = offset; - off_t dest_offset = 0; - stripe_local_t *local = NULL; - call_frame_t *rframe = NULL; - stripe_local_t *rlocal = NULL; - stripe_fd_ctx_t *fctx = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - inode_ctx_get(fd->inode, this, &tmp_fctx); - if (!tmp_fctx) { - op_errno = EBADFD; - goto err; - } - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - stripe_size = fctx->stripe_size; - - STRIPE_VALIDATE_FCTX(fctx, err); - - if (!stripe_size) { - gf_log(this->name, GF_LOG_DEBUG, "Wrong stripe size for the file"); - goto err; - } - /* The file is stripe across the child nodes. Send the read request - * to the child nodes appropriately after checking which region of - * the file is in which child node. Always '0-' part of - * the file resides in the first child. - */ - rounded_start = gf_floor(offset, stripe_size); - rounded_end = gf_roof(offset + size, stripe_size); - num_stripe = (rounded_end - rounded_start) / stripe_size; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - - /* This is where all the vectors should be copied. */ - local->replies = GF_CALLOC(num_stripe, sizeof(struct stripe_replies), - gf_stripe_mt_stripe_replies); - if (!local->replies) { - op_errno = ENOMEM; - goto err; - } - - off_index = (offset / stripe_size) % fctx->stripe_count; - local->wind_count = num_stripe; - local->readv_size = size; - local->offset = offset; - local->fd = fd_ref(fd); - local->fctx = fctx; - - for (index = off_index; index < (num_stripe + off_index); index++) { - rframe = copy_frame(frame); - rlocal = mem_get0(this->local_pool); - if (!rlocal) { - op_errno = ENOMEM; - goto err; - } - - frame_size = min(gf_roof(frame_offset + 1, stripe_size), - (offset + size)) - - frame_offset; - - rlocal->node_index = index - off_index; - rlocal->orig_frame = frame; - rlocal->readv_size = frame_size; - rframe->local = rlocal; - idx = (index % fctx->stripe_count); - - if (fctx->stripe_coalesce) - dest_offset = coalesced_offset(frame_offset, stripe_size, - fctx->stripe_count); - else - dest_offset = frame_offset; - - STACK_WIND(rframe, stripe_readv_cbk, fctx->xl_array[idx], - fctx->xl_array[idx]->fops->readv, fd, frame_size, - dest_offset, flags, xdata); - - frame_offset += frame_size; - } - - return 0; -err: - if (rframe) - STRIPE_STACK_DESTROY(rframe); - - STRIPE_STACK_UNWIND(readv, frame, -1, op_errno, NULL, 0, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_writev_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_local_t *mlocal = NULL; - call_frame_t *prev = NULL; - call_frame_t *mframe = NULL; - struct stripe_replies *reply = NULL; - int32_t i = 0; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - mframe = local->orig_frame; - mlocal = mframe->local; - - LOCK(&frame->lock); - { - callcnt = ++mlocal->call_count; - - mlocal->replies[local->node_index].op_ret = op_ret; - mlocal->replies[local->node_index].op_errno = op_errno; - - if (op_ret >= 0) { - mlocal->post_buf = *postbuf; - mlocal->pre_buf = *prebuf; - - mlocal->prebuf_blocks += prebuf->ia_blocks; - mlocal->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, mlocal->fctx, prev); - correct_file_size(postbuf, mlocal->fctx, prev); - - if (mlocal->prebuf_size < prebuf->ia_size) - mlocal->prebuf_size = prebuf->ia_size; - if (mlocal->postbuf_size < postbuf->ia_size) - mlocal->postbuf_size = postbuf->ia_size; - } - } - UNLOCK(&frame->lock); - - if ((callcnt == mlocal->wind_count) && mlocal->unwind) { - mlocal->pre_buf.ia_size = mlocal->prebuf_size; - mlocal->pre_buf.ia_blocks = mlocal->prebuf_blocks; - mlocal->post_buf.ia_size = mlocal->postbuf_size; - mlocal->post_buf.ia_blocks = mlocal->postbuf_blocks; - - /* - * Only return the number of consecutively written bytes up until - * the first error. Only return an error if it occurs first. - * - * When a short write occurs, the application should retry at the - * appropriate offset, at which point we'll potentially pass back - * the error. - */ - for (i = 0, reply = mlocal->replies; i < mlocal->wind_count; - i++, reply++) { - if (reply->op_ret == -1) { - gf_log(this->name, GF_LOG_DEBUG, - "reply %d " - "returned error %s", - i, strerror(reply->op_errno)); - if (!mlocal->op_ret) { - mlocal->op_ret = -1; - mlocal->op_errno = reply->op_errno; - } - break; - } - - mlocal->op_ret += reply->op_ret; - - if (reply->op_ret < reply->requested_size) - break; - } - - GF_FREE(mlocal->replies); - - STRIPE_STACK_UNWIND(writev, mframe, mlocal->op_ret, mlocal->op_errno, - &mlocal->pre_buf, &mlocal->post_buf, NULL); - } -out: - if (frame) - STRIPE_STACK_DESTROY(frame); - return 0; -} - -int32_t -stripe_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iovec *vector, int32_t count, off_t offset, uint32_t flags, - struct iobref *iobref, dict_t *xdata) -{ - struct iovec *tmp_vec = NULL; - stripe_local_t *local = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - int32_t idx = 0; - int32_t total_size = 0; - int32_t offset_offset = 0; - int32_t remaining_size = 0; - int32_t tmp_count = count; - off_t fill_size = 0; - uint64_t stripe_size = 0; - uint64_t tmp_fctx = 0; - off_t dest_offset = 0; - off_t rounded_start = 0; - off_t rounded_end = 0; - int32_t total_chunks = 0; - call_frame_t *wframe = NULL; - stripe_local_t *wlocal = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - inode_ctx_get(fd->inode, this, &tmp_fctx); - if (!tmp_fctx) { - op_errno = EINVAL; - goto err; - } - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - stripe_size = fctx->stripe_size; - - STRIPE_VALIDATE_FCTX(fctx, err); - - /* File has to be stripped across the child nodes */ - total_size = iov_length(vector, count); - remaining_size = total_size; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - local->stripe_size = stripe_size; - local->fctx = fctx; - - if (!stripe_size) { - gf_log(this->name, GF_LOG_DEBUG, "Wrong stripe size for the file"); - op_errno = EINVAL; - goto err; - } - - rounded_start = gf_floor(offset, stripe_size); - rounded_end = gf_roof(offset + total_size, stripe_size); - total_chunks = (rounded_end - rounded_start) / stripe_size; - local->replies = GF_CALLOC(total_chunks, sizeof(struct stripe_replies), - gf_stripe_mt_stripe_replies); - if (!local->replies) { - op_errno = ENOMEM; - goto err; - } - - total_chunks = 0; - while (1) { - wframe = copy_frame(frame); - wlocal = mem_get0(this->local_pool); - if (!wlocal) { - op_errno = ENOMEM; - goto err; - } - wlocal->orig_frame = frame; - wframe->local = wlocal; - - /* Send striped chunk of the vector to child - nodes appropriately. */ - idx = (((offset + offset_offset) / local->stripe_size) % - fctx->stripe_count); - - fill_size = (local->stripe_size - - ((offset + offset_offset) % local->stripe_size)); - if (fill_size > remaining_size) - fill_size = remaining_size; - - remaining_size -= fill_size; - - tmp_count = iov_subset(vector, count, offset_offset, - offset_offset + fill_size, NULL); - tmp_vec = GF_CALLOC(tmp_count, sizeof(struct iovec), - gf_stripe_mt_iovec); - if (!tmp_vec) { - op_errno = ENOMEM; - goto err; - } - tmp_count = iov_subset(vector, count, offset_offset, - offset_offset + fill_size, tmp_vec); - - local->wind_count++; - if (remaining_size == 0) - local->unwind = 1; - - /* - * Store off the request index (with respect to the chunk of the - * initial offset) and the size of the request. This is required - * in the callback to calculate an appropriate return value in - * the event of a write failure in one or more requests. - */ - wlocal->node_index = total_chunks; - local->replies[total_chunks].requested_size = fill_size; - - dest_offset = offset + offset_offset; - if (fctx->stripe_coalesce) - dest_offset = coalesced_offset(dest_offset, local->stripe_size, - fctx->stripe_count); - - STACK_WIND(wframe, stripe_writev_cbk, fctx->xl_array[idx], - fctx->xl_array[idx]->fops->writev, fd, tmp_vec, tmp_count, - dest_offset, flags, iobref, xdata); - - GF_FREE(tmp_vec); - offset_offset += fill_size; - total_chunks++; - if (remaining_size == 0) - break; - } - - return 0; -err: - if (wframe) - STRIPE_STACK_DESTROY(wframe); - - STRIPE_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_local_t *mlocal = NULL; - call_frame_t *prev = NULL; - call_frame_t *mframe = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - mframe = local->orig_frame; - mlocal = mframe->local; - - LOCK(&frame->lock); - { - callcnt = ++mlocal->call_count; - - if (op_ret == 0) { - mlocal->post_buf = *postbuf; - mlocal->pre_buf = *prebuf; - - mlocal->prebuf_blocks += prebuf->ia_blocks; - mlocal->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, mlocal->fctx, prev); - correct_file_size(postbuf, mlocal->fctx, prev); - - if (mlocal->prebuf_size < prebuf->ia_size) - mlocal->prebuf_size = prebuf->ia_size; - if (mlocal->postbuf_size < postbuf->ia_size) - mlocal->postbuf_size = postbuf->ia_size; - } - - /* return the first failure */ - if (mlocal->op_ret == 0) { - mlocal->op_ret = op_ret; - mlocal->op_errno = op_errno; - } - } - UNLOCK(&frame->lock); - - if ((callcnt == mlocal->wind_count) && mlocal->unwind) { - mlocal->pre_buf.ia_size = mlocal->prebuf_size; - mlocal->pre_buf.ia_blocks = mlocal->prebuf_blocks; - mlocal->post_buf.ia_size = mlocal->postbuf_size; - mlocal->post_buf.ia_blocks = mlocal->postbuf_blocks; - - STRIPE_STACK_UNWIND(fallocate, mframe, mlocal->op_ret, mlocal->op_errno, - &mlocal->pre_buf, &mlocal->post_buf, NULL); - } -out: - if (frame) - STRIPE_STACK_DESTROY(frame); - return 0; -} - -int32_t -stripe_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, - off_t offset, size_t len, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - int32_t idx = 0; - int32_t offset_offset = 0; - int32_t remaining_size = 0; - off_t fill_size = 0; - uint64_t stripe_size = 0; - uint64_t tmp_fctx = 0; - off_t dest_offset = 0; - call_frame_t *fframe = NULL; - stripe_local_t *flocal = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - inode_ctx_get(fd->inode, this, &tmp_fctx); - if (!tmp_fctx) { - op_errno = EINVAL; - goto err; - } - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - stripe_size = fctx->stripe_size; - - STRIPE_VALIDATE_FCTX(fctx, err); - - remaining_size = len; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - local->stripe_size = stripe_size; - local->fctx = fctx; - - if (!stripe_size) { - gf_log(this->name, GF_LOG_DEBUG, "Wrong stripe size for the file"); - op_errno = EINVAL; - goto err; - } - - while (1) { - fframe = copy_frame(frame); - flocal = mem_get0(this->local_pool); - if (!flocal) { - op_errno = ENOMEM; - goto err; - } - flocal->orig_frame = frame; - fframe->local = flocal; - - /* send fallocate request to the associated child node */ - idx = (((offset + offset_offset) / local->stripe_size) % - fctx->stripe_count); - - fill_size = (local->stripe_size - - ((offset + offset_offset) % local->stripe_size)); - if (fill_size > remaining_size) - fill_size = remaining_size; - - remaining_size -= fill_size; - - local->wind_count++; - if (remaining_size == 0) - local->unwind = 1; - - dest_offset = offset + offset_offset; - if (fctx->stripe_coalesce) - dest_offset = coalesced_offset(dest_offset, local->stripe_size, - fctx->stripe_count); - - /* - * TODO: Create a separate handler for coalesce mode that sends a - * single fallocate per-child (since the ranges are linear). - */ - STACK_WIND(fframe, stripe_fallocate_cbk, fctx->xl_array[idx], - fctx->xl_array[idx]->fops->fallocate, fd, mode, dest_offset, - fill_size, xdata); - - offset_offset += fill_size; - if (remaining_size == 0) - break; - } - - return 0; -err: - if (fframe) - STRIPE_STACK_DESTROY(fframe); - - STRIPE_STACK_UNWIND(fallocate, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_local_t *mlocal = NULL; - call_frame_t *prev = NULL; - call_frame_t *mframe = NULL; - - if (!this || !frame || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - mframe = local->orig_frame; - mlocal = mframe->local; - - LOCK(&frame->lock); - { - callcnt = ++mlocal->call_count; - - if (op_ret == 0) { - mlocal->post_buf = *postbuf; - mlocal->pre_buf = *prebuf; - - mlocal->prebuf_blocks += prebuf->ia_blocks; - mlocal->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, mlocal->fctx, prev); - correct_file_size(postbuf, mlocal->fctx, prev); - - if (mlocal->prebuf_size < prebuf->ia_size) - mlocal->prebuf_size = prebuf->ia_size; - if (mlocal->postbuf_size < postbuf->ia_size) - mlocal->postbuf_size = postbuf->ia_size; - } - - /* return the first failure */ - if (mlocal->op_ret == 0) { - mlocal->op_ret = op_ret; - mlocal->op_errno = op_errno; - } - } - UNLOCK(&frame->lock); - - if ((callcnt == mlocal->wind_count) && mlocal->unwind) { - mlocal->pre_buf.ia_size = mlocal->prebuf_size; - mlocal->pre_buf.ia_blocks = mlocal->prebuf_blocks; - mlocal->post_buf.ia_size = mlocal->postbuf_size; - mlocal->post_buf.ia_blocks = mlocal->postbuf_blocks; - - STRIPE_STACK_UNWIND(discard, mframe, mlocal->op_ret, mlocal->op_errno, - &mlocal->pre_buf, &mlocal->post_buf, NULL); - } -out: - if (frame) - STRIPE_STACK_DESTROY(frame); - - return 0; -} - -int32_t -stripe_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - size_t len, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - int32_t idx = 0; - int32_t offset_offset = 0; - int32_t remaining_size = 0; - off_t fill_size = 0; - uint64_t stripe_size = 0; - uint64_t tmp_fctx = 0; - off_t dest_offset = 0; - call_frame_t *fframe = NULL; - stripe_local_t *flocal = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - inode_ctx_get(fd->inode, this, &tmp_fctx); - if (!tmp_fctx) { - op_errno = EINVAL; - goto err; - } - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - stripe_size = fctx->stripe_size; - - STRIPE_VALIDATE_FCTX(fctx, err); - - remaining_size = len; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - local->stripe_size = stripe_size; - local->fctx = fctx; - - if (!stripe_size) { - gf_log(this->name, GF_LOG_DEBUG, "Wrong stripe size for the file"); - op_errno = EINVAL; - goto err; - } - - while (1) { - fframe = copy_frame(frame); - flocal = mem_get0(this->local_pool); - if (!flocal) { - op_errno = ENOMEM; - goto err; - } - flocal->orig_frame = frame; - fframe->local = flocal; - - /* send discard request to the associated child node */ - idx = (((offset + offset_offset) / local->stripe_size) % - fctx->stripe_count); - - fill_size = (local->stripe_size - - ((offset + offset_offset) % local->stripe_size)); - if (fill_size > remaining_size) - fill_size = remaining_size; - - remaining_size -= fill_size; - - local->wind_count++; - if (remaining_size == 0) - local->unwind = 1; - - dest_offset = offset + offset_offset; - if (fctx->stripe_coalesce) - dest_offset = coalesced_offset(dest_offset, local->stripe_size, - fctx->stripe_count); - - /* - * TODO: Create a separate handler for coalesce mode that sends a - * single discard per-child (since the ranges are linear). - */ - STACK_WIND(fframe, stripe_discard_cbk, fctx->xl_array[idx], - fctx->xl_array[idx]->fops->discard, fd, dest_offset, - fill_size, xdata); - - offset_offset += fill_size; - if (remaining_size == 0) - break; - } - - return 0; -err: - if (fframe) - STRIPE_STACK_DESTROY(fframe); - - STRIPE_STACK_UNWIND(discard, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *prebuf, - struct iatt *postbuf, dict_t *xdata) -{ - int32_t callcnt = 0; - stripe_local_t *local = NULL; - stripe_local_t *mlocal = NULL; - call_frame_t *prev = NULL; - call_frame_t *mframe = NULL; - - GF_ASSERT(frame); - - if (!this || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - - prev = cookie; - local = frame->local; - mframe = local->orig_frame; - mlocal = mframe->local; - - LOCK(&frame->lock); - { - callcnt = ++mlocal->call_count; - - if (op_ret == 0) { - mlocal->post_buf = *postbuf; - mlocal->pre_buf = *prebuf; - - mlocal->prebuf_blocks += prebuf->ia_blocks; - mlocal->postbuf_blocks += postbuf->ia_blocks; - - correct_file_size(prebuf, mlocal->fctx, prev); - correct_file_size(postbuf, mlocal->fctx, prev); - - if (mlocal->prebuf_size < prebuf->ia_size) - mlocal->prebuf_size = prebuf->ia_size; - if (mlocal->postbuf_size < postbuf->ia_size) - mlocal->postbuf_size = postbuf->ia_size; - } - - /* return the first failure */ - if (mlocal->op_ret == 0) { - mlocal->op_ret = op_ret; - mlocal->op_errno = op_errno; - } - } - UNLOCK(&frame->lock); - - if ((callcnt == mlocal->wind_count) && mlocal->unwind) { - mlocal->pre_buf.ia_size = mlocal->prebuf_size; - mlocal->pre_buf.ia_blocks = mlocal->prebuf_blocks; - mlocal->post_buf.ia_size = mlocal->postbuf_size; - mlocal->post_buf.ia_blocks = mlocal->postbuf_blocks; - - STRIPE_STACK_UNWIND(zerofill, mframe, mlocal->op_ret, mlocal->op_errno, - &mlocal->pre_buf, &mlocal->post_buf, NULL); - } -out: - STRIPE_STACK_DESTROY(frame); - return 0; -} - -int32_t -stripe_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - off_t len, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_fd_ctx_t *fctx = NULL; - int32_t op_errno = 1; - int32_t idx = 0; - int32_t offset_offset = 0; - int32_t remaining_size = 0; - off_t fill_size = 0; - uint64_t stripe_size = 0; - uint64_t tmp_fctx = 0; - off_t dest_offset = 0; - call_frame_t *fframe = NULL; - stripe_local_t *flocal = NULL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - VALIDATE_OR_GOTO(fd->inode, err); - - inode_ctx_get(fd->inode, this, &tmp_fctx); - if (!tmp_fctx) { - op_errno = EINVAL; - goto err; - } - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - stripe_size = fctx->stripe_size; - - STRIPE_VALIDATE_FCTX(fctx, err); - - remaining_size = len; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - frame->local = local; - local->stripe_size = stripe_size; - local->fctx = fctx; - - if (!stripe_size) { - gf_log(this->name, GF_LOG_DEBUG, "Wrong stripe size for the file"); - op_errno = EINVAL; - goto err; - } - - while (1) { - fframe = copy_frame(frame); - flocal = mem_get0(this->local_pool); - if (!flocal) { - op_errno = ENOMEM; - goto err; - } - flocal->orig_frame = frame; - fframe->local = flocal; - - idx = (((offset + offset_offset) / local->stripe_size) % - fctx->stripe_count); - - fill_size = (local->stripe_size - - ((offset + offset_offset) % local->stripe_size)); - if (fill_size > remaining_size) - fill_size = remaining_size; - - remaining_size -= fill_size; - - local->wind_count++; - if (remaining_size == 0) - local->unwind = 1; - - dest_offset = offset + offset_offset; - if (fctx->stripe_coalesce) - dest_offset = coalesced_offset(dest_offset, local->stripe_size, - fctx->stripe_count); - - STACK_WIND(fframe, stripe_zerofill_cbk, fctx->xl_array[idx], - fctx->xl_array[idx]->fops->zerofill, fd, dest_offset, - fill_size, xdata); - offset_offset += fill_size; - if (remaining_size == 0) - break; - } - - return 0; -err: - if (fframe) - STRIPE_STACK_DESTROY(fframe); - - STRIPE_STACK_UNWIND(zerofill, frame, -1, op_errno, NULL, NULL, NULL); - return 0; -} - -int32_t -stripe_seek(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - gf_seek_what_t what, dict_t *xdata) -{ - /* TBD */ - gf_log(this->name, GF_LOG_INFO, "seek called on %s.", - uuid_utoa(fd->inode->gfid)); - STRIPE_STACK_UNWIND(seek, frame, -1, ENOTSUP, 0, NULL); - return 0; -} - -int32_t -stripe_release(xlator_t *this, fd_t *fd) -{ - return 0; -} - -int -stripe_forget(xlator_t *this, inode_t *inode) -{ - uint64_t tmp_fctx = 0; - stripe_fd_ctx_t *fctx = NULL; - - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(inode, err); - - (void)inode_ctx_del(inode, this, &tmp_fctx); - if (!tmp_fctx) { - goto err; - } - - fctx = (stripe_fd_ctx_t *)(long)tmp_fctx; - - if (!fctx->static_array) - GF_FREE(fctx->xl_array); - - GF_FREE(fctx); -err: - return 0; -} - -int32_t -notify(xlator_t *this, int32_t event, void *data, ...) -{ - stripe_private_t *priv = NULL; - int down_client = 0; - int i = 0; - gf_boolean_t heard_from_all_children = _gf_false; - - if (!this) - return 0; - - priv = this->private; - if (!priv) - return 0; - - switch (event) { - case GF_EVENT_CHILD_UP: { - /* get an index number to set */ - for (i = 0; i < priv->child_count; i++) { - if (data == priv->xl_array[i]) - break; - } - - if (priv->child_count == i) { - gf_log(this->name, GF_LOG_ERROR, - "got GF_EVENT_CHILD_UP bad subvolume %s", - data ? ((xlator_t *)data)->name : NULL); - break; - } - - LOCK(&priv->lock); - { - if (data == FIRST_CHILD(this)) - priv->first_child_down = 0; - priv->last_event[i] = event; - } - UNLOCK(&priv->lock); - } break; - case GF_EVENT_CHILD_CONNECTING: { - // 'CONNECTING' doesn't ensure its CHILD_UP, so do nothing - goto out; - } - case GF_EVENT_CHILD_DOWN: { - /* get an index number to set */ - for (i = 0; i < priv->child_count; i++) { - if (data == priv->xl_array[i]) - break; - } - - if (priv->child_count == i) { - gf_log(this->name, GF_LOG_ERROR, - "got GF_EVENT_CHILD_DOWN bad subvolume %s", - data ? ((xlator_t *)data)->name : NULL); - break; - } - - LOCK(&priv->lock); - { - if (data == FIRST_CHILD(this)) - priv->first_child_down = 1; - priv->last_event[i] = event; - } - UNLOCK(&priv->lock); - } break; - - default: { - /* */ - default_notify(this, event, data); - goto out; - } break; - } - - // Consider child as down if it's last_event is not CHILD_UP - for (i = 0, down_client = 0; i < priv->child_count; i++) - if (priv->last_event[i] != GF_EVENT_CHILD_UP) - down_client++; - - LOCK(&priv->lock); - { - priv->nodes_down = down_client; - } - UNLOCK(&priv->lock); - - heard_from_all_children = _gf_true; - for (i = 0; i < priv->child_count; i++) - if (!priv->last_event[i]) - heard_from_all_children = _gf_false; - - if (heard_from_all_children) - default_notify(this, event, data); -out: - return 0; -} - -int -stripe_setxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, dict_t *xdata) -{ - int ret = -1; - int call_cnt = 0; - stripe_local_t *local = NULL; - - if (!frame || !frame->local || !this) { - gf_log("", GF_LOG_ERROR, "Possible NULL deref"); - return ret; - } - - local = frame->local; - - LOCK(&frame->lock); - { - call_cnt = --local->wind_count; - - /** - * We overwrite ->op_* values here for subsequent failure - * conditions, hence we propagate the last errno down the - * stack. - */ - if (op_ret < 0) { - local->op_ret = op_ret; - local->op_errno = op_errno; - goto unlock; - } - } - -unlock: - UNLOCK(&frame->lock); - - if (!call_cnt) { - STRIPE_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno, - xdata); - } - - return 0; -} - -#ifdef HAVE_BD_XLATOR -int -stripe_is_bd(dict_t *this, char *key, data_t *value, void *data) -{ - gf_boolean_t *is_bd = data; - - if (data == NULL) - return 0; - - if (XATTR_IS_BD(key)) - *is_bd = _gf_true; - - return 0; -} - -static gf_boolean_t -stripe_setxattr_is_bd(dict_t *dict) -{ - gf_boolean_t is_bd = _gf_false; - - if (dict == NULL) - goto out; - - dict_foreach(dict, stripe_is_bd, &is_bd); -out: - return is_bd; -} -#else -#define stripe_setxattr_is_bd(dict) _gf_false -#endif - -int -stripe_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict, - int flags, dict_t *xdata) -{ - int32_t op_errno = EINVAL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - stripe_local_t *local = NULL; - int i = 0; - gf_boolean_t is_bd = _gf_false; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->inode, err); - - GF_IF_INTERNAL_XATTR_GOTO("trusted.*stripe*", dict, op_errno, err); - - priv = this->private; - trav = this->children; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - frame->local = local; - local->wind_count = priv->child_count; - local->op_ret = local->op_errno = 0; - - is_bd = stripe_setxattr_is_bd(dict); - - /** - * Set xattrs for directories on all subvolumes. Additionally - * this power is only given to a special client. Bd xlator - * also needs xattrs for regular files (ie LVs) - */ - if (((frame->root->pid == GF_CLIENT_PID_GSYNCD) && - IA_ISDIR(loc->inode->ia_type)) || - is_bd) { - for (i = 0; i < priv->child_count; i++, trav = trav->next) { - STACK_WIND(frame, stripe_setxattr_cbk, trav->xlator, - trav->xlator->fops->setxattr, loc, dict, flags, xdata); - } - } else { - local->wind_count = 1; - STACK_WIND(frame, stripe_setxattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->setxattr, loc, dict, flags, xdata); - } - - return 0; -err: - STRIPE_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL); - return 0; -} - -int -stripe_fsetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, dict_t *xdata) -{ - STRIPE_STACK_UNWIND(fsetxattr, frame, op_ret, op_errno, xdata); - return 0; -} - -int -stripe_is_special_key(dict_t *this, char *key, data_t *value, void *data) -{ - gf_boolean_t *is_special = NULL; - - if (data == NULL) { - goto out; - } - - is_special = data; - - if (XATTR_IS_LOCKINFO(key) || XATTR_IS_BD(key)) - *is_special = _gf_true; - -out: - return 0; -} - -int32_t -stripe_fsetxattr_everyone_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xdata) -{ - int call_count = 0; - stripe_local_t *local = NULL; - - local = frame->local; - - LOCK(&frame->lock); - { - call_count = --local->wind_count; - - if (op_ret < 0) { - local->op_ret = op_ret; - local->op_errno = op_errno; - } - } - UNLOCK(&frame->lock); - - if (call_count == 0) { - STRIPE_STACK_UNWIND(fsetxattr, frame, local->op_ret, local->op_errno, - NULL); - } - return 0; -} - -int -stripe_fsetxattr_to_everyone(call_frame_t *frame, xlator_t *this, fd_t *fd, - dict_t *dict, int flags, dict_t *xdata) -{ - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - int ret = -1; - stripe_local_t *local = NULL; - - priv = this->private; - - local = mem_get0(this->local_pool); - if (local == NULL) { - goto out; - } - - frame->local = local; - - local->wind_count = priv->child_count; - - trav = this->children; - - while (trav) { - STACK_WIND(frame, stripe_fsetxattr_everyone_cbk, trav->xlator, - trav->xlator->fops->fsetxattr, fd, dict, flags, xdata); - trav = trav->next; - } - - ret = 0; -out: - return ret; -} - -static gf_boolean_t -stripe_fsetxattr_is_special(dict_t *dict) -{ - gf_boolean_t is_spl = _gf_false; - - if (dict == NULL) { - goto out; - } - - dict_foreach(dict, stripe_is_special_key, &is_spl); - -out: - return is_spl; -} - -int -stripe_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict, - int flags, dict_t *xdata) -{ - int32_t op_ret = -1, ret = -1, op_errno = EINVAL; - gf_boolean_t is_spl = _gf_false; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - - GF_IF_INTERNAL_XATTR_GOTO("trusted.*stripe*", dict, op_errno, err); - - is_spl = stripe_fsetxattr_is_special(dict); - if (is_spl) { - ret = stripe_fsetxattr_to_everyone(frame, this, fd, dict, flags, xdata); - if (ret < 0) { - op_errno = ENOMEM; - goto err; - } - - goto out; - } - - STACK_WIND(frame, stripe_fsetxattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fsetxattr, fd, dict, flags, xdata); -out: - return 0; -err: - STRIPE_STACK_UNWIND(fsetxattr, frame, op_ret, op_errno, NULL); - return 0; -} - -int -stripe_removexattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xdata) -{ - STRIPE_STACK_UNWIND(removexattr, frame, op_ret, op_errno, xdata); - return 0; -} - -int -stripe_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name, dict_t *xdata) -{ - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(this, err); - - GF_IF_NATIVE_XATTR_GOTO("trusted.*stripe*", name, op_errno, err); - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(loc, err); - - STACK_WIND(frame, stripe_removexattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->removexattr, loc, name, xdata); - return 0; -err: - STRIPE_STACK_UNWIND(removexattr, frame, -1, op_errno, NULL); - return 0; -} - -int -stripe_fremovexattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xdata) -{ - STRIPE_STACK_UNWIND(fremovexattr, frame, op_ret, op_errno, xdata); - return 0; -} - -int -stripe_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd, - const char *name, dict_t *xdata) -{ - int32_t op_ret = -1; - int32_t op_errno = EINVAL; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - - GF_IF_NATIVE_XATTR_GOTO("trusted.*stripe*", name, op_errno, err); - - STACK_WIND(frame, stripe_fremovexattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fremovexattr, fd, name, xdata); - return 0; -err: - STRIPE_STACK_UNWIND(fremovexattr, frame, op_ret, op_errno, xdata); - return 0; -} - -int32_t -stripe_readdirp_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, inode_t *inode, - struct iatt *stbuf, dict_t *xattr, - struct iatt *parent) -{ - stripe_local_t *local = NULL; - call_frame_t *main_frame = NULL; - stripe_local_t *main_local = NULL; - gf_dirent_t *entry = NULL; - call_frame_t *prev = NULL; - int done = 0; - - local = frame->local; - prev = cookie; - - entry = local->dirent; - - main_frame = local->orig_frame; - main_local = main_frame->local; - LOCK(&frame->lock); - { - local->call_count--; - if (!local->call_count) - done = 1; - if (op_ret == -1) { - local->op_errno = op_errno; - local->op_ret = op_ret; - goto unlock; - } - - if (stripe_ctx_handle(this, prev, local, xattr)) - gf_log(this->name, GF_LOG_ERROR, - "Error getting fctx info from dict."); - - correct_file_size(stbuf, local->fctx, prev); - - stripe_iatt_merge(stbuf, &entry->d_stat); - local->stbuf_blocks += stbuf->ia_blocks; - } -unlock: - UNLOCK(&frame->lock); - - if (done) { - inode_ctx_put(entry->inode, this, (uint64_t)(long)local->fctx); - - done = 0; - LOCK(&main_frame->lock); - { - main_local->wind_count--; - if (!main_local->wind_count) - done = 1; - if (local->op_ret == -1) { - main_local->op_errno = local->op_errno; - main_local->op_ret = local->op_ret; - } - entry->d_stat.ia_blocks = local->stbuf_blocks; - } - UNLOCK(&main_frame->lock); - if (done) { - main_frame->local = NULL; - STRIPE_STACK_UNWIND(readdir, main_frame, main_local->op_ret, - main_local->op_errno, &main_local->entries, - NULL); - gf_dirent_free(&main_local->entries); - stripe_local_wipe(main_local); - mem_put(main_local); - } - frame->local = NULL; - stripe_local_wipe(local); - mem_put(local); - STRIPE_STACK_DESTROY(frame); - } - - return 0; -} - -int32_t -stripe_readdirp_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, gf_dirent_t *orig_entries, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - call_frame_t *prev = NULL; - gf_dirent_t *local_entry = NULL; - gf_dirent_t *tmp_entry = NULL; - xlator_list_t *trav = NULL; - loc_t loc = { - 0, - }; - int32_t count = 0; - stripe_private_t *priv = NULL; - int32_t subvols = 0; - dict_t *xattrs = NULL; - call_frame_t *local_frame = NULL; - stripe_local_t *local_ent = NULL; - - if (!this || !frame->local || !cookie) { - gf_log("stripe", GF_LOG_DEBUG, "possible NULL deref"); - goto out; - } - prev = cookie; - local = frame->local; - trav = this->children; - priv = this->private; - - subvols = priv->child_count; - - LOCK(&frame->lock); - { - local->op_errno = op_errno; - local->op_ret = op_ret; - - if (op_ret != -1) { - list_splice_init(&orig_entries->list, &local->entries.list); - local->wind_count = op_ret; - } - } - UNLOCK(&frame->lock); - - if (op_ret == -1) { - gf_log(this->name, GF_LOG_WARNING, "%s returned error %s", - prev->this->name, strerror(op_errno)); - goto out; - } - - xattrs = dict_new(); - if (xattrs) - (void)stripe_xattr_request_build(this, xattrs, 0, 0, 0, 0); - count = op_ret; - list_for_each_entry_safe(local_entry, tmp_entry, (&local->entries.list), - list) - { - if (!local_entry) - break; - if (!IA_ISREG(local_entry->d_stat.ia_type) || !local_entry->inode) { - LOCK(&frame->lock); - { - local->wind_count--; - count = local->wind_count; - } - UNLOCK(&frame->lock); - continue; - } - - local_frame = copy_frame(frame); - - if (!local_frame) { - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - local_ent = mem_get0(this->local_pool); - if (!local_ent) { - op_errno = ENOMEM; - op_ret = -1; - goto out; - } - - loc.inode = inode_ref(local_entry->inode); - - gf_uuid_copy(loc.gfid, local_entry->d_stat.ia_gfid); - - local_ent->orig_frame = frame; - - local_ent->call_count = subvols; - - local_ent->dirent = local_entry; - - local_frame->local = local_ent; - - trav = this->children; - while (trav) { - STACK_WIND(local_frame, stripe_readdirp_lookup_cbk, trav->xlator, - trav->xlator->fops->lookup, &loc, xattrs); - trav = trav->next; - } - loc_wipe(&loc); - } -out: - if (!count) { - /* all entries are directories */ - frame->local = NULL; - STRIPE_STACK_UNWIND(readdir, frame, (local ? local->op_ret : -1), - (local ? local->op_errno : EINVAL), - (local ? &local->entries : NULL), NULL); - gf_dirent_free(&local->entries); - stripe_local_wipe(local); - mem_put(local); - } - if (xattrs) - dict_unref(xattrs); - return 0; -} -int32_t -stripe_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t off, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - xlator_list_t *trav = NULL; - int op_errno = -1; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(fd, err); - - priv = this->private; - trav = this->children; - - if (priv->first_child_down) { - op_errno = ENOTCONN; - goto err; - } - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - frame->local = local; - - local->fd = fd_ref(fd); - - local->wind_count = 0; - - local->count = 0; - local->op_ret = -1; - INIT_LIST_HEAD(&local->entries); - - if (!trav) - goto err; - - STACK_WIND(frame, stripe_readdirp_cbk, trav->xlator, - trav->xlator->fops->readdirp, fd, size, off, xdata); - return 0; -err: - op_errno = (op_errno == -1) ? errno : op_errno; - STRIPE_STACK_UNWIND(readdir, frame, -1, op_errno, NULL, NULL); - - return 0; -} - -int32_t -mem_acct_init(xlator_t *this) -{ - int ret = -1; - - if (!this) - goto out; - - ret = xlator_mem_acct_init(this, gf_stripe_mt_end + 1); - - if (ret != 0) { - gf_log(this->name, GF_LOG_ERROR, - "Memory accounting init" - "failed"); - goto out; - } - -out: - return ret; -} - -static int -clear_pattern_list(stripe_private_t *priv) -{ - struct stripe_options *prev = NULL; - struct stripe_options *trav = NULL; - int ret = -1; - - GF_VALIDATE_OR_GOTO("stripe", priv, out); - - trav = priv->pattern; - priv->pattern = NULL; - while (trav) { - prev = trav; - trav = trav->next; - GF_FREE(prev); - } - - ret = 0; -out: - return ret; -} - -int -reconfigure(xlator_t *this, dict_t *options) -{ - stripe_private_t *priv = NULL; - data_t *data = NULL; - int ret = -1; - volume_option_t *opt = NULL; - - GF_ASSERT(this); - GF_ASSERT(this->private); - - priv = this->private; - - ret = 0; - LOCK(&priv->lock); - { - ret = clear_pattern_list(priv); - if (ret) - goto unlock; - - data = dict_get(options, "block-size"); - if (data) { - ret = set_stripe_block_size(this, priv, data->data); - if (ret) - goto unlock; - } else { - opt = xlator_volume_option_get(this, "block-size"); - if (!opt) { - gf_log(this->name, GF_LOG_WARNING, - "option 'block-size' not found"); - ret = -1; - goto unlock; - } - - if (gf_string2bytesize_uint64(opt->default_value, - &priv->block_size)) { - gf_log(this->name, GF_LOG_ERROR, - "Unable to set default block-size "); - ret = -1; - goto unlock; - } - } - - GF_OPTION_RECONF("coalesce", priv->coalesce, options, bool, unlock); - } -unlock: - UNLOCK(&priv->lock); - if (ret) - goto out; - - ret = 0; -out: - return ret; -} - -/** - * init - This function is called when xlator-graph gets initialized. - * The option given in volfiles are parsed here. - * @this - - */ -int32_t -init(xlator_t *this) -{ - stripe_private_t *priv = NULL; - volume_option_t *opt = NULL; - xlator_list_t *trav = NULL; - data_t *data = NULL; - int32_t count = 0; - int ret = -1; - - if (!this) - goto out; - - trav = this->children; - while (trav) { - count++; - trav = trav->next; - } - - if (!count) { - gf_log(this->name, GF_LOG_ERROR, - "stripe configured without \"subvolumes\" option. " - "exiting"); - goto out; - } - - if (!this->parents) { - gf_log(this->name, GF_LOG_WARNING, "dangling volume. check volfile "); - } - - if (count == 1) { - gf_log(this->name, GF_LOG_ERROR, - "stripe configured with only one \"subvolumes\" option." - " please check the volume. exiting"); - goto out; - } - - priv = GF_CALLOC(1, sizeof(stripe_private_t), - gf_stripe_mt_stripe_private_t); - - if (!priv) - goto out; - priv->xl_array = GF_CALLOC(count, sizeof(xlator_t *), - gf_stripe_mt_xlator_t); - if (!priv->xl_array) - goto out; - - priv->last_event = GF_CALLOC(count, sizeof(int), gf_stripe_mt_int32_t); - if (!priv->last_event) - goto out; - - priv->child_count = count; - LOCK_INIT(&priv->lock); - - trav = this->children; - count = 0; - while (trav) { - priv->xl_array[count++] = trav->xlator; - trav = trav->next; - } - - if (count > 256) { - gf_log(this->name, GF_LOG_ERROR, - "maximum number of stripe subvolumes supported " - "is 256"); - goto out; - } - - ret = 0; - LOCK(&priv->lock); - { - opt = xlator_volume_option_get(this, "block-size"); - if (!opt) { - gf_log(this->name, GF_LOG_WARNING, "option 'block-size' not found"); - ret = -1; - goto unlock; - } - if (gf_string2bytesize_uint64(opt->default_value, &priv->block_size)) { - gf_log(this->name, GF_LOG_ERROR, - "Unable to set default block-size "); - ret = -1; - goto unlock; - } - /* option stripe-pattern *avi:1GB,*pdf:16K */ - data = dict_get(this->options, "block-size"); - if (data) { - ret = set_stripe_block_size(this, priv, data->data); - if (ret) - goto unlock; - } - } -unlock: - UNLOCK(&priv->lock); - if (ret) - goto out; - - GF_OPTION_INIT("use-xattr", priv->xattr_supported, bool, out); - /* notify related */ - priv->nodes_down = priv->child_count; - - GF_OPTION_INIT("coalesce", priv->coalesce, bool, out); - - this->local_pool = mem_pool_new(stripe_local_t, 128); - if (!this->local_pool) { - ret = -1; - gf_log(this->name, GF_LOG_ERROR, - "failed to create local_t's memory pool"); - goto out; - } - - this->private = priv; - - ret = 0; -out: - if (ret) { - if (priv) { - GF_FREE(priv->xl_array); - GF_FREE(priv); - } - } - return ret; -} - -/** - * fini - Free all the private variables - * @this - - */ -void -fini(xlator_t *this) -{ - stripe_private_t *priv = NULL; - struct stripe_options *prev = NULL; - struct stripe_options *trav = NULL; - - if (!this) - goto out; - - priv = this->private; - if (priv) { - this->private = NULL; - GF_FREE(priv->xl_array); - - trav = priv->pattern; - while (trav) { - prev = trav; - trav = trav->next; - GF_FREE(prev); - } - GF_FREE(priv->last_event); - LOCK_DESTROY(&priv->lock); - GF_FREE(priv); - } - -out: - return; -} - -int32_t -stripe_getxattr_unwind(call_frame_t *frame, int op_ret, int op_errno, - dict_t *dict, dict_t *xdata) - -{ - STRIPE_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata); - return 0; -} - -int -stripe_internal_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, dict_t *xattr, - dict_t *xdata) -{ - char size_key[256] = { - 0, - }; - char index_key[256] = { - 0, - }; - char count_key[256] = { - 0, - }; - char coalesce_key[256] = { - 0, - }; - - VALIDATE_OR_GOTO(frame, out); - VALIDATE_OR_GOTO(frame->local, out); - - if (!xattr || (op_ret == -1)) - goto out; - - sprintf(size_key, "trusted.%s.stripe-size", this->name); - sprintf(count_key, "trusted.%s.stripe-count", this->name); - sprintf(index_key, "trusted.%s.stripe-index", this->name); - sprintf(coalesce_key, "trusted.%s.stripe-coalesce", this->name); - - dict_del(xattr, size_key); - dict_del(xattr, count_key); - dict_del(xattr, index_key); - dict_del(xattr, coalesce_key); - -out: - STRIPE_STACK_UNWIND(getxattr, frame, op_ret, op_errno, xattr, xdata); - - return 0; -} - -int -stripe_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int op_ret, int op_errno, dict_t *xattr, dict_t *xdata) -{ - int call_cnt = 0; - stripe_local_t *local = NULL; - - VALIDATE_OR_GOTO(frame, out); - VALIDATE_OR_GOTO(frame->local, out); - - local = frame->local; - - LOCK(&frame->lock); - { - call_cnt = --local->wind_count; - } - UNLOCK(&frame->lock); - - if (!xattr || (op_ret < 0)) - goto out; - - local->op_ret = 0; - - if (!local->xattr) { - local->xattr = dict_ref(xattr); - } else { - stripe_aggregate_xattr(local->xattr, xattr); - } - -out: - if (!call_cnt) { - STRIPE_STACK_UNWIND(getxattr, frame, (local ? local->op_ret : -1), - op_errno, (local ? local->xattr : NULL), xdata); - } - - return 0; -} - -int32_t -stripe_vgetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict, - dict_t *xdata) -{ - stripe_local_t *local = NULL; - int32_t callcnt = 0; - int32_t ret = -1; - long cky = 0; - void *xattr_val = NULL; - void *xattr_serz = NULL; - stripe_xattr_sort_t *xattr = NULL; - dict_t *stripe_xattr = NULL; - - if (!frame || !frame->local || !this) { - gf_log("", GF_LOG_ERROR, "Possible NULL deref"); - return ret; - } - - local = frame->local; - cky = (long)cookie; - - if (local->xsel[0] == '\0') { - gf_log(this->name, GF_LOG_ERROR, "Empty xattr in cbk"); - return ret; - } - - LOCK(&frame->lock); - { - callcnt = --local->wind_count; - - if (!dict || (op_ret < 0)) - goto out; - - if (!local->xattr_list) - local->xattr_list = (stripe_xattr_sort_t *)GF_CALLOC( - local->nallocs, sizeof(stripe_xattr_sort_t), - gf_stripe_mt_xattr_sort_t); - - if (local->xattr_list) { - xattr = local->xattr_list + (int32_t)cky; - - ret = dict_get_ptr_and_len(dict, local->xsel, &xattr_val, - &xattr->xattr_len); - if (xattr->xattr_len == 0) - goto out; - - xattr->pos = cky; - xattr->xattr_value = gf_memdup(xattr_val, xattr->xattr_len); - - if (xattr->xattr_value != NULL) - local->xattr_total_len += xattr->xattr_len + 1; - } - } -out: - UNLOCK(&frame->lock); - - if (!callcnt) { - if (!local->xattr_total_len) - goto unwind; - - stripe_xattr = dict_new(); - if (!stripe_xattr) - goto unwind; - - /* select filler based on ->xsel */ - if (XATTR_IS_PATHINFO(local->xsel)) - ret = stripe_fill_pathinfo_xattr(this, local, (char **)&xattr_serz); - else if (XATTR_IS_LOCKINFO(local->xsel)) { - ret = stripe_fill_lockinfo_xattr(this, local, &xattr_serz); - } else { - gf_log(this->name, GF_LOG_WARNING, - "Unknown xattr in xattr request"); - goto unwind; - } - - if (!ret) { - ret = dict_set_dynptr(stripe_xattr, local->xsel, xattr_serz, - local->xattr_total_len); - if (ret) - gf_log(this->name, GF_LOG_ERROR, "Can't set %s key in dict", - local->xsel); - } - - unwind: - /* - * Among other things, STRIPE_STACK_UNWIND will free "local" - * for us. That means we can't dereference it afterward. - * Fortunately, the actual result is in stripe_xattr now, so we - * can simply clean up before unwinding. - */ - ret = stripe_free_xattr_str(local); - GF_FREE(local->xattr_list); - local->xattr_list = NULL; - - STRIPE_STACK_UNWIND(getxattr, frame, op_ret, op_errno, stripe_xattr, - NULL); - - if (stripe_xattr) - dict_unref(stripe_xattr); - } - - return ret; -} - -int -stripe_marker_populate_args(call_frame_t *frame, int type, int *gauge, - xlator_t **subvols) -{ - xlator_t *this = frame->this; - stripe_private_t *priv = this->private; - stripe_local_t *local = frame->local; - int count = 0; - - count = priv->child_count; - if (MARKER_XTIME_TYPE == type) { - if (!IA_FILE_OR_DIR(local->loc.inode->ia_type)) - count = 1; - } - memcpy(subvols, priv->xl_array, sizeof(*subvols) * count); - - return count; -} - -int32_t -stripe_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name, dict_t *xdata) -{ - stripe_local_t *local = NULL; - xlator_list_t *trav = NULL; - stripe_private_t *priv = NULL; - int32_t op_errno = EINVAL; - int i = 0; - int ret = 0; - - VALIDATE_OR_GOTO(frame, err); - VALIDATE_OR_GOTO(this, err); - VALIDATE_OR_GOTO(loc, err); - VALIDATE_OR_GOTO(loc->path, err); - VALIDATE_OR_GOTO(loc->inode, err); - - priv = this->private; - trav = this->children; - - /* Initialization */ - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - local->op_ret = -1; - frame->local = local; - loc_copy(&local->loc, loc); - - if (name && strncmp(name, QUOTA_SIZE_KEY, SLEN(QUOTA_SIZE_KEY)) == 0) { - local->wind_count = priv->child_count; - - for (i = 0, trav = this->children; i < priv->child_count; - i++, trav = trav->next) { - STACK_WIND(frame, stripe_getxattr_cbk, trav->xlator, - trav->xlator->fops->getxattr, loc, name, xdata); - } - - return 0; - } - - if (name && (XATTR_IS_PATHINFO(name))) { - if (IA_ISREG(loc->inode->ia_type)) { - ret = inode_ctx_get(loc->inode, this, (uint64_t *)&local->fctx); - if (ret) - gf_log(this->name, GF_LOG_ERROR, - "stripe size unavailable from fctx" - " relying on pathinfo could lead to" - " wrong results"); - } - - local->nallocs = local->wind_count = priv->child_count; - (void)strncpy(local->xsel, name, strlen(name)); - - /** - * for xattrs that need info from all children, fill ->xsel - * as above and call the filler function in cbk based on - * it - */ - for (i = 0, trav = this->children; i < priv->child_count; - i++, trav = trav->next) { - STACK_WIND_COOKIE(frame, stripe_vgetxattr_cbk, (void *)(long)i, - trav->xlator, trav->xlator->fops->getxattr, loc, - name, xdata); - } - - return 0; - } - - if (cluster_handle_marker_getxattr(frame, loc, name, priv->vol_uuid, - stripe_getxattr_unwind, - stripe_marker_populate_args) == 0) - return 0; - - STACK_WIND(frame, stripe_internal_getxattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->getxattr, loc, name, xdata); - - return 0; - -err: - STRIPE_STACK_UNWIND(getxattr, frame, -1, op_errno, NULL, NULL); - return 0; -} - -static gf_boolean_t -stripe_is_special_xattr(const char *name) -{ - gf_boolean_t is_spl = _gf_false; - - if (!name) { - goto out; - } - - if (!strncmp(name, GF_XATTR_LOCKINFO_KEY, SLEN(GF_XATTR_LOCKINFO_KEY)) || - XATTR_IS_PATHINFO(name)) - is_spl = _gf_true; -out: - return is_spl; -} - -int32_t -stripe_fgetxattr_from_everyone(call_frame_t *frame, xlator_t *this, fd_t *fd, - const char *name, dict_t *xdata) -{ - stripe_local_t *local = NULL; - stripe_private_t *priv = NULL; - int32_t ret = -1, op_errno = 0; - int i = 0; - xlator_list_t *trav = NULL; - - priv = this->private; - - local = mem_get0(this->local_pool); - if (!local) { - op_errno = ENOMEM; - goto err; - } - - local->op_ret = -1; - frame->local = local; - - strncpy(local->xsel, name, strlen(name)); - local->nallocs = local->wind_count = priv->child_count; - - for (i = 0, trav = this->children; i < priv->child_count; - i++, trav = trav->next) { - STACK_WIND_COOKIE(frame, stripe_vgetxattr_cbk, (void *)(long)i, - trav->xlator, trav->xlator->fops->fgetxattr, fd, name, - xdata); - } - - return 0; - -err: - STACK_UNWIND_STRICT(fgetxattr, frame, -1, op_errno, NULL, NULL); - return ret; -} - -int32_t -stripe_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, - const char *name, dict_t *xdata) -{ - if (stripe_is_special_xattr(name)) { - stripe_fgetxattr_from_everyone(frame, this, fd, name, xdata); - goto out; - } - - STACK_WIND(frame, stripe_internal_getxattr_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fgetxattr, fd, name, xdata); - -out: - return 0; -} - -int32_t -stripe_priv_dump(xlator_t *this) -{ - char key[GF_DUMP_MAX_BUF_LEN]; - int i = 0; - stripe_private_t *priv = NULL; - int ret = -1; - struct stripe_options *options = NULL; - - GF_VALIDATE_OR_GOTO("stripe", this, out); - - priv = this->private; - if (!priv) - goto out; - - ret = TRY_LOCK(&priv->lock); - if (ret != 0) - goto out; - - gf_proc_dump_add_section("xlator.cluster.stripe.%s.priv", this->name); - gf_proc_dump_write("child_count", "%d", priv->child_count); - - for (i = 0; i < priv->child_count; i++) { - sprintf(key, "subvolumes[%d]", i); - gf_proc_dump_write(key, "%s.%s", priv->xl_array[i]->type, - priv->xl_array[i]->name); - } - - options = priv->pattern; - while (options != NULL) { - gf_proc_dump_write("path_pattern", "%s", priv->pattern->path_pattern); - gf_proc_dump_write("options_block_size", "%ul", options->block_size); - - options = options->next; - } - - gf_proc_dump_write("block_size", "%ul", priv->block_size); - gf_proc_dump_write("nodes-down", "%d", priv->nodes_down); - gf_proc_dump_write("first-child_down", "%d", priv->first_child_down); - gf_proc_dump_write("xattr_supported", "%d", priv->xattr_supported); - - UNLOCK(&priv->lock); - -out: - return ret; -} - -struct xlator_fops fops = { - .stat = stripe_stat, - .unlink = stripe_unlink, - .rename = stripe_rename, - .link = stripe_link, - .truncate = stripe_truncate, - .create = stripe_create, - .open = stripe_open, - .readv = stripe_readv, - .writev = stripe_writev, - .statfs = stripe_statfs, - .flush = stripe_flush, - .fsync = stripe_fsync, - .ftruncate = stripe_ftruncate, - .fstat = stripe_fstat, - .mkdir = stripe_mkdir, - .rmdir = stripe_rmdir, - .lk = stripe_lk, - .opendir = stripe_opendir, - .fsyncdir = stripe_fsyncdir, - .setattr = stripe_setattr, - .fsetattr = stripe_fsetattr, - .lookup = stripe_lookup, - .mknod = stripe_mknod, - .setxattr = stripe_setxattr, - .fsetxattr = stripe_fsetxattr, - .getxattr = stripe_getxattr, - .fgetxattr = stripe_fgetxattr, - .removexattr = stripe_removexattr, - .fremovexattr = stripe_fremovexattr, - .readdirp = stripe_readdirp, - .fallocate = stripe_fallocate, - .discard = stripe_discard, - .zerofill = stripe_zerofill, - .seek = stripe_seek, -}; - -struct xlator_cbks cbks = { - .release = stripe_release, - .forget = stripe_forget, -}; - -struct xlator_dumpops dumpops = { - .priv = stripe_priv_dump, -}; - -struct volume_options options[] = { - { - .key = {"block-size"}, - .type = GF_OPTION_TYPE_SIZE_LIST, - .default_value = "128KB", - .min = STRIPE_MIN_BLOCK_SIZE, - .description = "Size of the stripe unit that would be read " - "from or written to the striped servers.", - .op_version = {1}, - .tags = {"stripe"}, - .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE, - }, - { - .key = {"use-xattr"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "true", - .description = "handle the stripe without the xattr", - .tags = {"stripe", "dev-only"}, - .flags = OPT_FLAG_CLIENT_OPT, - }, - { - .key = {"coalesce"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "true", - .description = "Enable/Disable coalesce mode to flatten striped " - "files as stored on the server (i.e., eliminate holes " - "caused by the traditional format).", - .op_version = {1}, - .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE, - .tags = {"stripe"}, - }, - {.key = {NULL}}, -}; diff --git a/xlators/cluster/stripe/src/stripe.h b/xlators/cluster/stripe/src/stripe.h deleted file mode 100644 index 88c24b682b8..00000000000 --- a/xlators/cluster/stripe/src/stripe.h +++ /dev/null @@ -1,291 +0,0 @@ -/* - Copyright (c) 2008-2012 Red Hat, Inc. - This file is part of GlusterFS. - - This file is licensed to you under your choice of the GNU Lesser - General Public License, version 3 or any later version (LGPLv3 or - later), or the GNU General Public License, version 2 (GPLv2), in all - cases as published by the Free Software Foundation. -*/ - -#ifndef _STRIPE_H_ -#define _STRIPE_H_ - -#include -#include -#include -#include -#include -#include -#include "stripe-mem-types.h" -#include "libxlator.h" -#include -#include - -#define STRIPE_PATHINFO_HEADER "STRIPE:" -#define STRIPE_MIN_BLOCK_SIZE (16 * GF_UNIT_KB) - -#define STRIPE_STACK_UNWIND(fop, frame, params...) \ - do { \ - stripe_local_t *__local = NULL; \ - if (frame) { \ - __local = frame->local; \ - frame->local = NULL; \ - } \ - STACK_UNWIND_STRICT(fop, frame, params); \ - if (__local) { \ - stripe_local_wipe(__local); \ - mem_put(__local); \ - } \ - } while (0) - -#define STRIPE_STACK_DESTROY(frame) \ - do { \ - stripe_local_t *__local = NULL; \ - __local = frame->local; \ - frame->local = NULL; \ - STACK_DESTROY(frame->root); \ - if (__local) { \ - stripe_local_wipe(__local); \ - mem_put(__local); \ - } \ - } while (0) - -#define STRIPE_VALIDATE_FCTX(fctx, label) \ - do { \ - int idx = 0; \ - if (!fctx) { \ - op_errno = EINVAL; \ - goto label; \ - } \ - for (idx = 0; idx < fctx->stripe_count; idx++) { \ - if (!fctx->xl_array[idx]) { \ - gf_log(this->name, GF_LOG_ERROR, "fctx->xl_array[%d] is NULL", \ - idx); \ - op_errno = ESTALE; \ - goto label; \ - } \ - } \ - } while (0) - -typedef struct stripe_xattr_sort { - int pos; - int xattr_len; - char *xattr_value; -} stripe_xattr_sort_t; - -/** - * struct stripe_options : This keeps the pattern and the block-size - * information, which is used for striping on a file. - */ -struct stripe_options { - struct stripe_options *next; - char path_pattern[256]; - uint64_t block_size; -}; - -/** - * Private structure for stripe translator - */ -struct stripe_private { - struct stripe_options *pattern; - xlator_t **xl_array; - uint64_t block_size; - gf_lock_t lock; - uint8_t nodes_down; - int8_t first_child_down; - int *last_event; - int8_t child_count; - gf_boolean_t xattr_supported; /* default yes */ - gf_boolean_t coalesce; - char vol_uuid[UUID_SIZE + 1]; -}; - -/** - * Used to keep info about the replies received from readv/writev calls - */ -struct stripe_replies { - struct iovec *vector; - int32_t count; // count of vector - int32_t op_ret; // op_ret of readv - int32_t op_errno; - int32_t requested_size; - struct iatt stbuf; /* 'stbuf' is also a part of reply */ -}; - -typedef struct _stripe_fd_ctx { - off_t stripe_size; - int stripe_count; - int stripe_coalesce; - int static_array; - xlator_t **xl_array; -} stripe_fd_ctx_t; - -/** - * Local structure to be passed with all the frames in case of STACK_WIND - */ -struct stripe_local; /* this itself is used inside the structure; */ - -struct stripe_local { - struct stripe_local *next; - call_frame_t *orig_frame; - - stripe_fd_ctx_t *fctx; - - /* Used by _cbk functions */ - struct iatt stbuf; - struct iatt pre_buf; - struct iatt post_buf; - struct iatt preparent; - struct iatt postparent; - - off_t stbuf_size; - off_t prebuf_size; - off_t postbuf_size; - off_t preparent_size; - off_t postparent_size; - - blkcnt_t stbuf_blocks; - blkcnt_t prebuf_blocks; - blkcnt_t postbuf_blocks; - blkcnt_t preparent_blocks; - blkcnt_t postparent_blocks; - - struct stripe_replies *replies; - struct statvfs statvfs_buf; - dir_entry_t *entry; - - int8_t revalidate; - int8_t failed; - int8_t unwind; - - size_t readv_size; - int32_t entry_count; - int32_t node_index; - int32_t call_count; - int32_t wind_count; /* used instead of child_cound - in case of read and write */ - int32_t op_ret; - int32_t op_errno; - int32_t count; - int32_t flags; - char *name; - inode_t *inode; - - loc_t loc; - loc_t loc2; - - mode_t mode; - dev_t rdev; - /* For File I/O fops */ - dict_t *xdata; - - stripe_xattr_sort_t *xattr_list; - int32_t xattr_total_len; - int32_t nallocs; - char xsel[256]; - - /* General usage */ - off_t offset; - off_t stripe_size; - - int xattr_self_heal_needed; - int entry_self_heal_needed; - - int8_t *list; - struct gf_flock lock; - fd_t *fd; - void *value; - struct iobref *iobref; - gf_dirent_t entries; - gf_dirent_t *dirent; - dict_t *xattr; - uuid_t ia_gfid; - - int xflag; - mode_t umask; -}; - -typedef struct stripe_local stripe_local_t; -typedef struct stripe_private stripe_private_t; - -/* - * Determine the stripe index of a particular frame based on the translator. - */ -static inline int32_t -stripe_get_frame_index(stripe_fd_ctx_t *fctx, call_frame_t *prev) -{ - int32_t i, idx = -1; - - for (i = 0; i < fctx->stripe_count; i++) { - if (fctx->xl_array[i] == prev->this) { - idx = i; - break; - } - } - - return idx; -} - -static inline void -stripe_copy_xl_array(xlator_t **dst, xlator_t **src, int count) -{ - int i; - - for (i = 0; i < count; i++) - dst[i] = src[i]; -} - -void -stripe_local_wipe(stripe_local_t *local); -int32_t -stripe_ctx_handle(xlator_t *this, call_frame_t *prev, stripe_local_t *local, - dict_t *dict); -void -stripe_aggregate_xattr(dict_t *dst, dict_t *src); -int32_t -stripe_xattr_request_build(xlator_t *this, dict_t *dict, uint64_t stripe_size, - uint32_t stripe_count, uint32_t stripe_index, - uint32_t stripe_coalesce); -int32_t -stripe_get_matching_bs(const char *path, stripe_private_t *priv); -int -set_stripe_block_size(xlator_t *this, stripe_private_t *priv, char *data); -int32_t -stripe_iatt_merge(struct iatt *from, struct iatt *to); -int32_t -stripe_fill_pathinfo_xattr(xlator_t *this, stripe_local_t *local, - char **xattr_serz); -int32_t -stripe_free_xattr_str(stripe_local_t *local); -int32_t -stripe_xattr_aggregate(char *buffer, stripe_local_t *local, int32_t *total); -off_t -coalesced_offset(off_t offset, uint64_t stripe_size, int stripe_count); -off_t -uncoalesced_size(off_t size, uint64_t stripe_size, int stripe_count, - int stripe_index); -int32_t -stripe_fill_lockinfo_xattr(xlator_t *this, stripe_local_t *local, - void **xattr_serz); - -/* - * Adjust the size attribute for files if coalesce is enabled. - */ -static inline void -correct_file_size(struct iatt *buf, stripe_fd_ctx_t *fctx, call_frame_t *prev) -{ - int index; - - if (!IA_ISREG(buf->ia_type)) - return; - - if (!fctx || !fctx->stripe_coalesce) - return; - - index = stripe_get_frame_index(fctx, prev); - buf->ia_size = uncoalesced_size(buf->ia_size, fctx->stripe_size, - fctx->stripe_count, index); -} - -#endif /* _STRIPE_H_ */ -- cgit