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-rw-r--r--xlators/cluster/afr/src/afr-inode-write.c2024
1 files changed, 2024 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr-inode-write.c b/xlators/cluster/afr/src/afr-inode-write.c
new file mode 100644
index 000000000..267350b2c
--- /dev/null
+++ b/xlators/cluster/afr/src/afr-inode-write.c
@@ -0,0 +1,2024 @@
+/*
+ Copyright (c) 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.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/>.
+*/
+
+
+#include <libgen.h>
+#include <unistd.h>
+#include <fnmatch.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <signal.h>
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "glusterfs.h"
+#include "afr.h"
+#include "dict.h"
+#include "xlator.h"
+#include "hashfn.h"
+#include "logging.h"
+#include "stack.h"
+#include "list.h"
+#include "call-stub.h"
+#include "defaults.h"
+#include "common-utils.h"
+#include "compat-errno.h"
+#include "compat.h"
+
+#include "afr.h"
+#include "afr-transaction.h"
+
+
+/* {{{ chmod */
+
+
+int
+afr_chmod_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.chmod.buf.st_ino = local->cont.chmod.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.chmod.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_chmod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int child_index = (long) cookie;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.chmod.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ afr_chmod_unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_chmod_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int i = 0;
+ int call_count = -1;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_chmod_wind_cbk, (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->chmod,
+ &local->loc,
+ local->cont.chmod.mode);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_chmod_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int32_t
+afr_chmod (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t * transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->cont.chmod.mode = mode;
+ local->cont.chmod.ino = loc->inode->ino;
+
+ local->transaction.fop = afr_chmod_wind;
+ local->transaction.done = afr_chmod_done;
+ local->transaction.unwind = afr_chmod_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+
+/* {{{ fchmod */
+
+int
+afr_fchmod_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.fchmod.buf.st_ino = local->cont.fchmod.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.fchmod.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_fchmod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int child_index = (long) cookie;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.fchmod.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ afr_fchmod_unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_fchmod_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int i = 0;
+ int call_count = -1;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_fchmod_wind_cbk, (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->fchmod,
+ local->fd,
+ local->cont.fchmod.mode);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_fchmod_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int32_t
+afr_fchmod (call_frame_t *frame, xlator_t *this,
+ fd_t *fd, mode_t mode)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t * transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->cont.fchmod.mode = mode;
+ local->cont.fchmod.ino = fd->inode->ino;
+
+ local->transaction.fop = afr_fchmod_wind;
+ local->transaction.done = afr_fchmod_done;
+ local->transaction.unwind = afr_fchmod_unwind;
+
+ local->fd = fd_ref (fd);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+/* {{{ chown */
+
+int
+afr_chown_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.chown.buf.st_ino = local->cont.chown.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.chown.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_chown_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int child_index = (long) cookie;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.chown.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind) {
+ local->transaction.unwind (frame, this);
+ }
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_chown_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_chown_wind_cbk, (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->chown,
+ &local->loc, local->cont.chown.uid,
+ local->cont.chown.gid);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_chown_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_chown (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, uid_t uid, gid_t gid)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->cont.chown.uid = uid;
+ local->cont.chown.gid = gid;
+ local->cont.chown.ino = loc->inode->ino;
+
+ local->transaction.fop = afr_chown_wind;
+ local->transaction.done = afr_chown_done;
+ local->transaction.unwind = afr_chown_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+
+/* }}} */
+
+/* {{{ chown */
+
+int
+afr_fchown_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.fchown.buf.st_ino = local->cont.fchown.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.fchown.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_fchown_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int child_index = (long) cookie;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.fchown.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind) {
+ local->transaction.unwind (frame, this);
+ }
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_fchown_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_fchown_wind_cbk, (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->fchown,
+ local->fd, local->cont.fchown.uid,
+ local->cont.fchown.gid);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_fchown_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_fchown (call_frame_t *frame, xlator_t *this,
+ fd_t *fd, uid_t uid, gid_t gid)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->cont.fchown.uid = uid;
+ local->cont.fchown.gid = gid;
+ local->cont.fchown.ino = fd->inode->ino;
+
+ local->transaction.fop = afr_fchown_wind;
+ local->transaction.done = afr_fchown_done;
+ local->transaction.unwind = afr_fchown_unwind;
+
+ local->fd = fd_ref (fd);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+/* {{{ writev */
+
+int
+afr_writev_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.writev.buf.st_ino = local->cont.writev.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.writev.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_writev_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int child_index = (long) cookie;
+ int call_count = -1;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.writev.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.unwind (frame, this);
+
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_writev_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int i = 0;
+ int call_count = -1;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_writev_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->writev,
+ local->fd,
+ local->cont.writev.vector,
+ local->cont.writev.count,
+ local->cont.writev.offset);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_writev_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ if (local->cont.writev.refs)
+ dict_unref (local->cont.writev.refs);
+ local->cont.writev.refs = NULL;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iovec *vector, int32_t count, off_t offset)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op = GF_FOP_WRITE;
+ local->cont.writev.vector = iov_dup (vector, count);
+ local->cont.writev.count = count;
+ local->cont.writev.offset = offset;
+ local->cont.writev.ino = fd->inode->ino;
+
+ if (frame->root->req_refs)
+ local->cont.writev.refs = dict_ref (frame->root->req_refs);
+
+ local->transaction.fop = afr_writev_wind;
+ local->transaction.done = afr_writev_done;
+ local->transaction.unwind = afr_writev_unwind;
+
+ local->fd = fd_ref (fd);
+
+ local->transaction.main_frame = frame;
+ if (fd->flags & O_APPEND) {
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ } else {
+ local->transaction.start = offset;
+ local->transaction.len = iov_length (vector, count);
+ }
+
+ local->transaction.pending = AFR_DATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+
+/* }}} */
+
+/* {{{ truncate */
+
+int
+afr_truncate_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.truncate.buf.st_ino = local->cont.truncate.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.truncate.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_truncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int child_index = (long) cookie;
+ int call_count = -1;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.truncate.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ local->transaction.unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int32_t
+afr_truncate_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_truncate_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->truncate,
+ &local->loc,
+ local->cont.truncate.offset);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_truncate_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_truncate (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, off_t offset)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op_ret = -1;
+
+ local->cont.truncate.offset = offset;
+ local->cont.truncate.ino = loc->inode->ino;
+
+ local->transaction.fop = afr_truncate_wind;
+ local->transaction.done = afr_truncate_done;
+ local->transaction.unwind = afr_truncate_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = offset;
+ local->transaction.pending = AFR_DATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+
+/* }}} */
+
+/* {{{ ftruncate */
+
+
+int
+afr_ftruncate_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.ftruncate.buf.st_ino = local->cont.ftruncate.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.ftruncate.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_ftruncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int child_index = (long) cookie;
+ int call_count = -1;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.ftruncate.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ local->transaction.unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_ftruncate_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_ftruncate_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->ftruncate,
+ local->fd, local->cont.ftruncate.offset);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_ftruncate_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_ftruncate (call_frame_t *frame, xlator_t *this,
+ fd_t *fd, off_t offset)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op = GF_FOP_FTRUNCATE;
+ local->op_ret = -1;
+
+ local->cont.ftruncate.offset = offset;
+ local->cont.ftruncate.ino = fd->inode->ino;
+
+ local->transaction.fop = afr_ftruncate_wind;
+ local->transaction.done = afr_ftruncate_done;
+ local->transaction.unwind = afr_ftruncate_unwind;
+
+ local->fd = fd_ref (fd);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = offset;
+ local->transaction.pending = AFR_DATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+/* {{{ utimens */
+
+
+int
+afr_utimens_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ local->cont.utimens.buf.st_ino = local->cont.utimens.ino;
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno,
+ &local->cont.utimens.buf);
+ }
+ return 0;
+}
+
+
+int
+afr_utimens_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct stat *buf)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int child_index = (long) cookie;
+ int call_count = -1;
+ int need_unwind = 1;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (child_went_down (op_ret, op_errno))
+ afr_transaction_child_died (frame, this, child_index);
+
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ local->cont.utimens.buf = *buf;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ local->transaction.unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_utimens_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_utimens_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->utimens,
+ &local->loc,
+ local->cont.utimens.tv);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_utimens_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+
+ local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_utimens (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, struct timespec tv[2])
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op_ret = -1;
+
+ local->cont.utimens.tv[0] = tv[0];
+ local->cont.utimens.tv[1] = tv[1];
+
+ local->cont.utimens.ino = loc->inode->ino;
+
+ local->transaction.fop = afr_utimens_wind;
+ local->transaction.done = afr_utimens_done;
+ local->transaction.unwind = afr_utimens_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+/* {{{ setxattr */
+
+
+int
+afr_setxattr_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno)
+ }
+ return 0;
+}
+
+
+int
+afr_setxattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ local->transaction.unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int
+afr_setxattr_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_setxattr_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->setxattr,
+ &local->loc,
+ local->cont.setxattr.dict,
+ local->cont.setxattr.flags);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_setxattr_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_setxattr (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, dict_t *dict, int32_t flags)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op_ret = -1;
+
+ local->cont.setxattr.dict = dict_ref (dict);
+ local->cont.setxattr.flags = flags;
+
+ local->transaction.fop = afr_setxattr_wind;
+ local->transaction.done = afr_setxattr_done;
+ local->transaction.unwind = afr_setxattr_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno);
+ }
+
+ return 0;
+}
+
+/* }}} */
+
+/* {{{ removexattr */
+
+
+int
+afr_removexattr_unwind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+ call_frame_t *main_frame = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (local->transaction.main_frame)
+ main_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK (&frame->lock);
+
+ if (main_frame) {
+ AFR_STACK_UNWIND (main_frame, local->op_ret, local->op_errno)
+ }
+ return 0;
+}
+
+
+int
+afr_removexattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno)
+{
+ afr_local_t * local = NULL;
+ afr_private_t * priv = NULL;
+
+ int call_count = -1;
+ int need_unwind = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ LOCK (&frame->lock);
+ {
+ if (op_ret != -1) {
+ if (local->success_count == 0) {
+ local->op_ret = op_ret;
+ }
+ local->success_count++;
+
+ if (local->success_count == priv->wait_count) {
+ need_unwind = 1;
+ }
+ }
+
+ local->op_errno = op_errno;
+ }
+ UNLOCK (&frame->lock);
+
+ if (need_unwind)
+ local->transaction.unwind (frame, this);
+
+ call_count = afr_frame_return (frame);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ }
+
+ return 0;
+}
+
+
+int32_t
+afr_removexattr_wind (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ int call_count = -1;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ call_count = afr_up_children_count (priv->child_count, local->child_up);
+
+ if (call_count == 0) {
+ local->transaction.resume (frame, this);
+ return 0;
+ }
+
+ local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE (frame, afr_removexattr_wind_cbk,
+ (void *) (long) i,
+ priv->children[i],
+ priv->children[i]->fops->removexattr,
+ &local->loc,
+ local->cont.removexattr.name);
+
+ if (!--call_count)
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+int
+afr_removexattr_done (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t * local = frame->local;
+
+ local->transaction.unwind (frame, this);
+
+ AFR_STACK_DESTROY (frame);
+
+ return 0;
+}
+
+
+int
+afr_removexattr (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, const char *name)
+{
+ afr_private_t * priv = NULL;
+ afr_local_t * local = NULL;
+ call_frame_t *transaction_frame = NULL;
+
+ int ret = -1;
+
+ int op_ret = -1;
+ int op_errno = 0;
+
+ VALIDATE_OR_GOTO (frame, out);
+ VALIDATE_OR_GOTO (this, out);
+ VALIDATE_OR_GOTO (this->private, out);
+ VALIDATE_OR_GOTO (loc, out);
+
+ priv = this->private;
+
+ transaction_frame = copy_frame (frame);
+ if (!transaction_frame) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "out of memory :(");
+ goto out;
+ }
+
+ ALLOC_OR_GOTO (local, afr_local_t, out);
+
+ ret = AFR_LOCAL_INIT (local, priv);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ transaction_frame->local = local;
+
+ local->op_ret = -1;
+
+ local->cont.removexattr.name = strdup (name);
+
+ local->transaction.fop = afr_removexattr_wind;
+ local->transaction.done = afr_removexattr_done;
+ local->transaction.unwind = afr_removexattr_unwind;
+
+ loc_copy (&local->loc, loc);
+
+ local->transaction.main_frame = frame;
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ local->transaction.pending = AFR_METADATA_PENDING;
+
+ afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+
+ op_ret = 0;
+out:
+ if (op_ret == -1) {
+ if (transaction_frame)
+ AFR_STACK_DESTROY (transaction_frame);
+ AFR_STACK_UNWIND (frame, op_ret, op_errno);
+ }
+
+ return 0;
+}