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-rw-r--r--xlators/cluster/dht/src/dht-helper.c765
1 files changed, 707 insertions, 58 deletions
diff --git a/xlators/cluster/dht/src/dht-helper.c b/xlators/cluster/dht/src/dht-helper.c
index 44ed9c682..311a48112 100644
--- a/xlators/cluster/dht/src/dht-helper.c
+++ b/xlators/cluster/dht/src/dht-helper.c
@@ -1,20 +1,11 @@
/*
- Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ 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 _CONFIG_H
@@ -27,6 +18,28 @@
#include "xlator.h"
#include "dht-common.h"
+static inline int
+dht_inode_ctx_set1 (xlator_t *this, inode_t *inode, xlator_t *subvol)
+{
+ uint64_t tmp_subvol = 0;
+
+ tmp_subvol = (long)subvol;
+ return inode_ctx_set1 (inode, this, &tmp_subvol);
+}
+
+int
+dht_inode_ctx_get1 (xlator_t *this, inode_t *inode, xlator_t **subvol)
+{
+ int ret = -1;
+ uint64_t tmp_subvol = 0;
+
+ ret = inode_ctx_get1 (inode, this, &tmp_subvol);
+ if (tmp_subvol && subvol)
+ *subvol = (xlator_t *)tmp_subvol;
+
+ return ret;
+}
+
int
dht_frame_return (call_frame_t *frame)
@@ -49,6 +62,43 @@ dht_frame_return (call_frame_t *frame)
}
+static uint64_t
+dht_bits_for (uint64_t num)
+{
+ uint64_t bits = 0, ctrl = 1;
+
+ while (ctrl < num) {
+ ctrl *= 2;
+ bits ++;
+ }
+
+ return bits;
+}
+
+/*
+ * A slightly "updated" version of the algorithm described in the commit log
+ * is used here.
+ *
+ * The only enhancement is that:
+ *
+ * - The number of bits used by the backend filesystem for HUGE d_off which
+ * is described as 63, and
+ * - The number of bits used by the d_off presented by the transformation
+ * upwards which is described as 64, are both made "configurable."
+ */
+
+
+#define BACKEND_D_OFF_BITS 63
+#define PRESENT_D_OFF_BITS 63
+
+#define ONE 1ULL
+#define MASK (~0ULL)
+#define PRESENT_MASK (MASK >> (64 - PRESENT_D_OFF_BITS))
+#define BACKEND_MASK (MASK >> (64 - BACKEND_D_OFF_BITS))
+
+#define TOP_BIT (ONE << (PRESENT_D_OFF_BITS - 1))
+#define SHIFT_BITS (max (0, (BACKEND_D_OFF_BITS - PRESENT_D_OFF_BITS + 1)))
+
int
dht_itransform (xlator_t *this, xlator_t *subvol, uint64_t x, uint64_t *y_p)
{
@@ -56,6 +106,9 @@ dht_itransform (xlator_t *this, xlator_t *subvol, uint64_t x, uint64_t *y_p)
int cnt = 0;
int max = 0;
uint64_t y = 0;
+ uint64_t hi_mask = 0;
+ uint64_t off_mask = 0;
+ int max_bits = 0;
if (x == ((uint64_t) -1)) {
y = (uint64_t) -1;
@@ -69,7 +122,23 @@ dht_itransform (xlator_t *this, xlator_t *subvol, uint64_t x, uint64_t *y_p)
max = conf->subvolume_cnt;
cnt = dht_subvol_cnt (this, subvol);
- y = ((x * max) + cnt);
+ if (max == 1) {
+ y = x;
+ goto out;
+ }
+
+ max_bits = dht_bits_for (max);
+
+ hi_mask = ~(PRESENT_MASK >> (max_bits + 1));
+
+ if (x & hi_mask) {
+ /* HUGE d_off */
+ off_mask = MASK << max_bits;
+ y = TOP_BIT | ((x >> SHIFT_BITS) & off_mask) | cnt;
+ } else {
+ /* small d_off */
+ y = ((x * max) + cnt);
+ }
out:
if (y_p)
@@ -89,7 +158,7 @@ dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
int ret = 0; /* not found */
/* Why do other tasks if first required 'char' itself is not there */
- if (loc->name && !strchr (loc->name, '@'))
+ if (!new_loc || !loc || !loc->name || !strchr (loc->name, '@'))
goto out;
trav = this->children;
@@ -117,7 +186,6 @@ dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
new_loc->path = ((new_path) ? new_path:
gf_strdup (loc->path));
new_loc->name = new_name;
- new_loc->ino = loc->ino;
new_loc->inode = inode_ref (loc->inode);
new_loc->parent = inode_ref (loc->parent);
}
@@ -130,10 +198,8 @@ dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
out:
if (!ret) {
/* !success */
- if (new_path)
- GF_FREE (new_path);
- if (new_name)
- GF_FREE (new_name);
+ GF_FREE (new_path);
+ GF_FREE (new_name);
}
return ret;
}
@@ -147,16 +213,38 @@ dht_deitransform (xlator_t *this, uint64_t y, xlator_t **subvol_p,
int max = 0;
uint64_t x = 0;
xlator_t *subvol = 0;
+ int max_bits = 0;
+ uint64_t off_mask = 0;
+ uint64_t host_mask = 0;
if (!this->private)
- goto out;
+ return -1;
conf = this->private;
max = conf->subvolume_cnt;
- cnt = y % max;
- x = y / max;
+ if (max == 1) {
+ x = y;
+ cnt = 0;
+ goto out;
+ }
+
+ if (y & TOP_BIT) {
+ /* HUGE d_off */
+ max_bits = dht_bits_for (max);
+ off_mask = (MASK << max_bits);
+ host_mask = ~(off_mask);
+
+ x = ((y & ~TOP_BIT) & off_mask) << SHIFT_BITS;
+
+ cnt = y & host_mask;
+ } else {
+ /* small d_off */
+ cnt = y % max;
+ x = y / max;
+ }
+out:
subvol = conf->subvolumes[cnt];
if (subvol_p)
@@ -165,7 +253,6 @@ dht_deitransform (xlator_t *this, uint64_t y, xlator_t **subvol_p,
if (x_p)
*x_p = x;
-out:
return 0;
}
@@ -216,52 +303,65 @@ dht_local_wipe (xlator_t *this, dht_local_t *local)
local->selfheal.layout = NULL;
}
- if (local->newpath) {
- GF_FREE (local->newpath);
- }
+ GF_FREE (local->newpath);
- if (local->key) {
- GF_FREE (local->key);
- }
+ GF_FREE (local->key);
- GF_FREE (local);
+ GF_FREE (local->rebalance.vector);
+
+ if (local->rebalance.iobref)
+ iobref_unref (local->rebalance.iobref);
+
+ mem_put (local);
}
dht_local_t *
-dht_local_init (call_frame_t *frame)
+dht_local_init (call_frame_t *frame, loc_t *loc, fd_t *fd, glusterfs_fop_t fop)
{
dht_local_t *local = NULL;
+ inode_t *inode = NULL;
+ int ret = 0;
- /* TODO: use mem-pool */
- local = GF_CALLOC (1, sizeof (*local),
- gf_dht_mt_dht_local_t);
-
+ local = mem_get0 (THIS->local_pool);
if (!local)
- return NULL;
+ goto out;
- local->op_ret = -1;
- local->op_errno = EUCLEAN;
+ if (loc) {
+ ret = loc_copy (&local->loc, loc);
+ if (ret)
+ goto out;
- frame->local = local;
+ inode = loc->inode;
+ }
- return local;
-}
+ if (fd) {
+ local->fd = fd_ref (fd);
+ if (!inode)
+ inode = fd->inode;
+ }
+ local->op_ret = -1;
+ local->op_errno = EUCLEAN;
+ local->fop = fop;
-char *
-basestr (const char *str)
-{
- char *basestr = NULL;
+ if (inode) {
+ local->layout = dht_layout_get (frame->this, inode);
+ local->cached_subvol = dht_subvol_get_cached (frame->this,
+ inode);
+ }
- basestr = strrchr (str, '/');
- if (basestr)
- basestr ++;
+ frame->local = local;
- return basestr;
+out:
+ if (ret) {
+ if (local)
+ mem_put (local);
+ local = NULL;
+ }
+ return local;
}
-
xlator_t *
dht_first_up_subvol (xlator_t *this)
{
@@ -326,17 +426,23 @@ dht_subvol_get_hashed (xlator_t *this, loc_t *loc)
dht_layout_t *layout = NULL;
xlator_t *subvol = NULL;
- if (is_fs_root (loc)) {
+ GF_VALIDATE_OR_GOTO ("dht", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, loc, out);
+
+ if (__is_root_gfid (loc->gfid)) {
subvol = dht_first_up_subvol (this);
goto out;
}
+ GF_VALIDATE_OR_GOTO (this->name, loc->parent, out);
+ GF_VALIDATE_OR_GOTO (this->name, loc->name, out);
+
layout = dht_layout_get (this, loc->parent);
if (!layout) {
gf_log (this->name, GF_LOG_DEBUG,
- "layout missing path=%s parent=%"PRId64,
- loc->path, loc->parent->ino);
+ "layout missing path=%s parent=%s",
+ loc->path, uuid_utoa (loc->parent->gfid));
goto out;
}
@@ -364,6 +470,8 @@ dht_subvol_get_cached (xlator_t *this, inode_t *inode)
dht_layout_t *layout = NULL;
xlator_t *subvol = NULL;
+ GF_VALIDATE_OR_GOTO (this->name, this, out);
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
layout = dht_layout_get (this, inode);
@@ -405,7 +513,36 @@ out:
return next;
}
+/* This func wraps around, if prev is actually the last subvol.
+ */
+xlator_t *
+dht_subvol_next_available (xlator_t *this, xlator_t *prev)
+{
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *next = NULL;
+ conf = this->private;
+ if (!conf)
+ goto out;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == prev) {
+ /* if prev is last in conf->subvolumes, then wrap
+ * around.
+ */
+ if ((i + 1) < conf->subvolume_cnt) {
+ next = conf->subvolumes[i + 1];
+ } else {
+ next = conf->subvolumes[0];
+ }
+ break;
+ }
+ }
+
+out:
+ return next;
+}
int
dht_subvol_cnt (xlator_t *this, xlator_t *subvol)
{
@@ -434,6 +571,15 @@ out:
(a) = (b); \
} while (0)
+
+#define set_if_greater_time(a, an, b, bn) do { \
+ if (((a) < (b)) || (((a) == (b)) && ((an) < (bn)))){ \
+ (a) = (b); \
+ (an) = (bn); \
+ } \
+ } while (0) \
+
+
int
dht_iatt_merge (xlator_t *this, struct iatt *to,
struct iatt *from, xlator_t *subvol)
@@ -457,9 +603,12 @@ dht_iatt_merge (xlator_t *this, struct iatt *to,
set_if_greater (to->ia_uid, from->ia_uid);
set_if_greater (to->ia_gid, from->ia_gid);
- set_if_greater (to->ia_atime, from->ia_atime);
- set_if_greater (to->ia_mtime, from->ia_mtime);
- set_if_greater (to->ia_ctime, from->ia_ctime);
+ set_if_greater_time(to->ia_atime, to->ia_atime_nsec,
+ from->ia_atime, from->ia_atime_nsec);
+ set_if_greater_time (to->ia_mtime, to->ia_mtime_nsec,
+ from->ia_mtime, from->ia_mtime_nsec);
+ set_if_greater_time (to->ia_ctime, to->ia_ctime_nsec,
+ from->ia_ctime, from->ia_ctime_nsec);
return 0;
}
@@ -496,3 +645,503 @@ err:
loc_wipe (child);
return -1;
}
+
+
+
+int
+dht_init_subvolumes (xlator_t *this, dht_conf_t *conf)
+{
+ xlator_list_t *subvols = NULL;
+ int cnt = 0;
+
+ if (!conf)
+ return -1;
+
+ for (subvols = this->children; subvols; subvols = subvols->next)
+ cnt++;
+
+ conf->subvolumes = GF_CALLOC (cnt, sizeof (xlator_t *),
+ gf_dht_mt_xlator_t);
+ if (!conf->subvolumes) {
+ return -1;
+ }
+ conf->subvolume_cnt = cnt;
+
+ cnt = 0;
+ for (subvols = this->children; subvols; subvols = subvols->next)
+ conf->subvolumes[cnt++] = subvols->xlator;
+
+ conf->subvolume_status = GF_CALLOC (cnt, sizeof (char),
+ gf_dht_mt_char);
+ if (!conf->subvolume_status) {
+ return -1;
+ }
+
+ conf->last_event = GF_CALLOC (cnt, sizeof (int),
+ gf_dht_mt_char);
+ if (!conf->last_event) {
+ return -1;
+ }
+
+ conf->subvol_up_time = GF_CALLOC (cnt, sizeof (time_t),
+ gf_dht_mt_subvol_time);
+ if (!conf->subvol_up_time) {
+ return -1;
+ }
+
+ conf->du_stats = GF_CALLOC (conf->subvolume_cnt, sizeof (dht_du_t),
+ gf_dht_mt_dht_du_t);
+ if (!conf->du_stats) {
+ return -1;
+ }
+
+ conf->decommissioned_bricks = GF_CALLOC (cnt, sizeof (xlator_t *),
+ gf_dht_mt_xlator_t);
+ if (!conf->decommissioned_bricks) {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+
+static int
+dht_migration_complete_check_done (int op_ret, call_frame_t *frame, void *data)
+{
+ dht_local_t *local = NULL;
+
+ local = frame->local;
+
+ local->rebalance.target_op_fn (THIS, frame, op_ret);
+
+ return 0;
+}
+
+
+int
+dht_migration_complete_check_task (void *data)
+{
+ int ret = -1;
+ xlator_t *src_node = NULL;
+ xlator_t *dst_node = NULL;
+ dht_local_t *local = NULL;
+ dict_t *dict = NULL;
+ dht_layout_t *layout = NULL;
+ struct iatt stbuf = {0,};
+ xlator_t *this = NULL;
+ call_frame_t *frame = NULL;
+ loc_t tmp_loc = {0,};
+ char *path = NULL;
+ dht_conf_t *conf = NULL;
+ inode_t *inode = NULL;
+ fd_t *iter_fd = NULL;
+ uint64_t tmp_subvol = 0;
+ int open_failed = 0;
+
+ this = THIS;
+ frame = data;
+ local = frame->local;
+ conf = this->private;
+
+ src_node = local->cached_subvol;
+
+ if (!local->loc.inode && !local->fd)
+ goto out;
+
+ inode = (!local->fd) ? local->loc.inode : local->fd->inode;
+
+ /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
+ * as root:root. If a fd is already open, access check wont be done*/
+
+ if (!local->loc.inode) {
+ ret = syncop_fgetxattr (src_node, local->fd, &dict,
+ conf->link_xattr_name);
+ } else {
+ SYNCTASK_SETID (0, 0);
+ ret = syncop_getxattr (src_node, &local->loc, &dict,
+ conf->link_xattr_name);
+ SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+ }
+
+ if (!ret)
+ dst_node = dht_linkfile_subvol (this, NULL, NULL, dict);
+
+ if (ret) {
+ if ((errno != ENOENT) || (!local->loc.inode)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to get the 'linkto' xattr %s",
+ local->loc.path, strerror (errno));
+ goto out;
+ }
+ /* Need to do lookup on hashed subvol, then get the file */
+ ret = syncop_lookup (this, &local->loc, NULL, &stbuf, NULL,
+ NULL);
+ if (ret)
+ goto out;
+ dst_node = dht_subvol_get_cached (this, local->loc.inode);
+ }
+
+ if (!dst_node) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to get the destination node",
+ local->loc.path);
+ ret = -1;
+ goto out;
+ }
+
+ /* lookup on dst */
+ if (local->loc.inode) {
+ ret = syncop_lookup (dst_node, &local->loc, NULL, &stbuf, NULL, NULL);
+
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to lookup the file on %s",
+ local->loc.path, dst_node->name);
+ goto out;
+ }
+
+ if (uuid_compare (stbuf.ia_gfid, local->loc.inode->gfid)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: gfid different on the target file on %s",
+ local->loc.path, dst_node->name);
+ ret = -1;
+ goto out;
+ }
+ }
+
+ /* update inode ctx (the layout) */
+ dht_layout_unref (this, local->layout);
+
+ ret = dht_layout_preset (this, dst_node, inode);
+ if (ret != 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s: could not set preset layout for subvol %s",
+ local->loc.path, dst_node->name);
+ ret = -1;
+ goto out;
+ }
+
+ layout = dht_layout_for_subvol (this, dst_node);
+ if (!layout) {
+ gf_log (this->name, GF_LOG_INFO,
+ "%s: no pre-set layout for subvolume %s",
+ local->loc.path, dst_node ? dst_node->name : "<nil>");
+ ret = -1;
+ goto out;
+ }
+
+ ret = dht_layout_set (this, inode, layout);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to set the new layout",
+ local->loc.path);
+ goto out;
+ }
+
+ local->cached_subvol = dst_node;
+ ret = 0;
+
+ /* once we detect the migration complete, the inode-ctx2 is no more
+ required.. delete the ctx and also, it means, open() already
+ done on all the fd of inode */
+ ret = inode_ctx_reset1 (inode, this, &tmp_subvol);
+ if (tmp_subvol)
+ goto out;
+
+ if (list_empty (&inode->fd_list))
+ goto out;
+
+ /* perform open as root:root. There is window between linkfile
+ * creation(root:root) and setattr with the correct uid/gid
+ */
+ SYNCTASK_SETID(0, 0);
+
+ /* perform 'open()' on all the fd's present on the inode */
+ tmp_loc.inode = inode;
+ inode_path (inode, NULL, &path);
+ if (path)
+ tmp_loc.path = path;
+ list_for_each_entry (iter_fd, &inode->fd_list, inode_list) {
+ if (fd_is_anonymous (iter_fd))
+ continue;
+
+ ret = syncop_open (dst_node, &tmp_loc,
+ iter_fd->flags, iter_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR, "failed to open "
+ "the fd (%p, flags=0%o) on file %s @ %s",
+ iter_fd, iter_fd->flags, path, dst_node->name);
+ open_failed = 1;
+ }
+ }
+ GF_FREE (path);
+
+ SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+ if (open_failed) {
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
+out:
+
+ return ret;
+}
+
+int
+dht_rebalance_complete_check (xlator_t *this, call_frame_t *frame)
+{
+ int ret = -1;
+
+ ret = synctask_new (this->ctx->env, dht_migration_complete_check_task,
+ dht_migration_complete_check_done,
+ frame, frame);
+ return ret;
+}
+
+/* During 'in-progress' state, both nodes should have the file */
+static int
+dht_inprogress_check_done (int op_ret, call_frame_t *sync_frame, void *data)
+{
+ dht_local_t *local = NULL;
+
+ local = sync_frame->local;
+
+ local->rebalance.target_op_fn (THIS, sync_frame, op_ret);
+
+ return 0;
+}
+
+static int
+dht_rebalance_inprogress_task (void *data)
+{
+ int ret = -1;
+ xlator_t *src_node = NULL;
+ xlator_t *dst_node = NULL;
+ dht_local_t *local = NULL;
+ dict_t *dict = NULL;
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ char *path = NULL;
+ struct iatt stbuf = {0,};
+ loc_t tmp_loc = {0,};
+ dht_conf_t *conf = NULL;
+ inode_t *inode = NULL;
+ fd_t *iter_fd = NULL;
+ int open_failed = 0;
+
+ this = THIS;
+ frame = data;
+ local = frame->local;
+ conf = this->private;
+
+ src_node = local->cached_subvol;
+
+ if (!local->loc.inode && !local->fd)
+ goto out;
+
+ inode = (!local->fd) ? local->loc.inode : local->fd->inode;
+
+ /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
+ * as root:root. If a fd is already open, access check wont be done*/
+ if (local->loc.inode) {
+ SYNCTASK_SETID (0, 0);
+ ret = syncop_getxattr (src_node, &local->loc, &dict,
+ conf->link_xattr_name);
+ SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+ } else {
+ ret = syncop_fgetxattr (src_node, local->fd, &dict,
+ conf->link_xattr_name);
+ }
+
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to get the 'linkto' xattr %s",
+ local->loc.path, strerror (errno));
+ goto out;
+ }
+
+ dst_node = dht_linkfile_subvol (this, NULL, NULL, dict);
+ if (!dst_node) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to get the 'linkto' xattr from dict",
+ local->loc.path);
+ ret = -1;
+ goto out;
+ }
+
+ local->rebalance.target_node = dst_node;
+
+ if (local->loc.inode) {
+ /* lookup on dst */
+ ret = syncop_lookup (dst_node, &local->loc, NULL,
+ &stbuf, NULL, NULL);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to lookup the file on %s",
+ local->loc.path, dst_node->name);
+ goto out;
+ }
+
+ if (uuid_compare (stbuf.ia_gfid, local->loc.inode->gfid)) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: gfid different on the target file on %s",
+ local->loc.path, dst_node->name);
+ ret = -1;
+ goto out;
+ }
+ }
+
+ ret = 0;
+
+ if (list_empty (&inode->fd_list))
+ goto done;
+
+ /* perform open as root:root. There is window between linkfile
+ * creation(root:root) and setattr with the correct uid/gid
+ */
+ SYNCTASK_SETID (0, 0);
+
+ tmp_loc.inode = inode;
+ inode_path (inode, NULL, &path);
+ if (path)
+ tmp_loc.path = path;
+
+ list_for_each_entry (iter_fd, &inode->fd_list, inode_list) {
+ if (fd_is_anonymous (iter_fd))
+ continue;
+
+ ret = syncop_open (dst_node, &tmp_loc,
+ iter_fd->flags, iter_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR, "failed to send open "
+ "the fd (%p, flags=0%o) on file %s @ %s",
+ iter_fd, iter_fd->flags, path, dst_node->name);
+ open_failed = 1;
+ }
+ }
+ GF_FREE (path);
+
+ SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+
+ if (open_failed) {
+ ret = -1;
+ goto out;
+ }
+
+done:
+ ret = dht_inode_ctx_set1 (this, inode, dst_node);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s: failed to set inode-ctx target file at %s",
+ local->loc.path, dst_node->name);
+ goto out;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
+int
+dht_rebalance_in_progress_check (xlator_t *this, call_frame_t *frame)
+{
+
+ int ret = -1;
+
+ ret = synctask_new (this->ctx->env, dht_rebalance_inprogress_task,
+ dht_inprogress_check_done,
+ frame, frame);
+ return ret;
+}
+
+int
+dht_inode_ctx_layout_set (inode_t *inode, xlator_t *this,
+ dht_layout_t *layout_int)
+{
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
+
+ ret = dht_inode_ctx_get (inode, this, &ctx);
+ if (!ret && ctx) {
+ ctx->layout = layout_int;
+ } else {
+ ctx = GF_CALLOC (1, sizeof (*ctx), gf_dht_mt_inode_ctx_t);
+ if (!ctx)
+ return ret;
+ ctx->layout = layout_int;
+ }
+
+ ret = dht_inode_ctx_set (inode, this, ctx);
+
+ return ret;
+}
+
+int
+dht_inode_ctx_time_update (inode_t *inode, xlator_t *this, struct iatt *stat,
+ int32_t post)
+{
+ dht_inode_ctx_t *ctx = NULL;
+ dht_stat_time_t *time = 0;
+ int ret = -1;
+
+ GF_VALIDATE_OR_GOTO (this->name, stat, out);
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+
+ ret = dht_inode_ctx_get (inode, this, &ctx);
+
+ if (ret) {
+ ctx = GF_CALLOC (1, sizeof (*ctx), gf_dht_mt_inode_ctx_t);
+ if (!ctx)
+ return -1;
+ }
+
+ time = &ctx->time;
+
+ DHT_UPDATE_TIME(time->mtime, time->mtime_nsec,
+ stat->ia_mtime, stat->ia_mtime_nsec, inode, post);
+ DHT_UPDATE_TIME(time->ctime, time->ctime_nsec,
+ stat->ia_ctime, stat->ia_ctime_nsec, inode, post);
+ DHT_UPDATE_TIME(time->atime, time->atime_nsec,
+ stat->ia_atime, stat->ia_atime_nsec, inode, post);
+
+ ret = dht_inode_ctx_set (inode, this, ctx);
+out:
+ return 0;
+}
+
+int
+dht_inode_ctx_get (inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx)
+{
+ int ret = -1;
+ uint64_t ctx_int = 0;
+
+ GF_VALIDATE_OR_GOTO ("dht", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+
+ ret = inode_ctx_get (inode, this, &ctx_int);
+
+ if (ret)
+ return ret;
+
+ if (ctx)
+ *ctx = (dht_inode_ctx_t *) ctx_int;
+out:
+ return ret;
+}
+
+int dht_inode_ctx_set (inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx)
+{
+ int ret = -1;
+ uint64_t ctx_int = 0;
+
+ GF_VALIDATE_OR_GOTO ("dht", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO (this->name, ctx, out);
+
+ ctx_int = (long)ctx;
+ ret = inode_ctx_set (inode, this, &ctx_int);
+out:
+ return ret;
+}
generated by cgit (git 2.34.1) at 2026-01-05 14:52:02 +0000