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-rw-r--r--xlators/features/quiesce/src/quiesce.c2610
1 files changed, 2610 insertions, 0 deletions
diff --git a/xlators/features/quiesce/src/quiesce.c b/xlators/features/quiesce/src/quiesce.c
new file mode 100644
index 000000000..24c7dc6ed
--- /dev/null
+++ b/xlators/features/quiesce/src/quiesce.c
@@ -0,0 +1,2610 @@
+/*
+ Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com>
+ 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 _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "quiesce.h"
+#include "defaults.h"
+#include "call-stub.h"
+
+/* TODO: */
+/* Think about 'writev/_*_lk/setattr/xattrop/' fops to do re-transmittion */
+
+
+/* Quiesce Specific Functions */
+void
+gf_quiesce_local_wipe (xlator_t *this, quiesce_local_t *local)
+{
+ if (!local || !this || !this->private)
+ return;
+
+ if (local->loc.inode)
+ loc_wipe (&local->loc);
+ if (local->fd)
+ fd_unref (local->fd);
+ GF_FREE (local->name);
+ GF_FREE (local->volname);
+ if (local->dict)
+ dict_unref (local->dict);
+ if (local->iobref)
+ iobref_unref (local->iobref);
+ GF_FREE (local->vector);
+
+ mem_put (local);
+}
+
+call_stub_t *
+gf_quiesce_dequeue (xlator_t *this)
+{
+ call_stub_t *stub = NULL;
+ quiesce_priv_t *priv = NULL;
+
+ priv = this->private;
+
+ if (!priv || list_empty (&priv->req))
+ return NULL;
+
+ LOCK (&priv->lock);
+ {
+ stub = list_entry (priv->req.next, call_stub_t, list);
+ list_del_init (&stub->list);
+ priv->queue_size--;
+ }
+ UNLOCK (&priv->lock);
+
+ return stub;
+}
+
+void *
+gf_quiesce_dequeue_start (void *data)
+{
+ xlator_t *this = NULL;
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ this = data;
+ priv = this->private;
+ THIS = this;
+
+ while (!list_empty (&priv->req)) {
+ stub = gf_quiesce_dequeue (this);
+ if (stub) {
+ call_resume (stub);
+ }
+ }
+
+ return 0;
+}
+
+
+void
+gf_quiesce_timeout (void *data)
+{
+ xlator_t *this = NULL;
+ quiesce_priv_t *priv = NULL;
+
+ this = data;
+ priv = this->private;
+ THIS = this;
+
+ LOCK (&priv->lock);
+ {
+ priv->pass_through = _gf_true;
+ }
+ UNLOCK (&priv->lock);
+
+ gf_quiesce_dequeue_start (this);
+
+ return;
+}
+
+void
+gf_quiesce_enqueue (xlator_t *this, call_stub_t *stub)
+{
+ quiesce_priv_t *priv = NULL;
+ struct timespec timeout = {0,};
+
+ priv = this->private;
+ if (!priv) {
+ gf_log_callingfn (this->name, GF_LOG_ERROR,
+ "this->private == NULL");
+ return;
+ }
+
+ LOCK (&priv->lock);
+ {
+ list_add_tail (&stub->list, &priv->req);
+ priv->queue_size++;
+ }
+ UNLOCK (&priv->lock);
+
+ if (!priv->timer) {
+ timeout.tv_sec = 20;
+ timeout.tv_nsec = 0;
+
+ priv->timer = gf_timer_call_after (this->ctx,
+ timeout,
+ gf_quiesce_timeout,
+ (void *) this);
+ }
+
+ return;
+}
+
+
+
+/* _CBK function section */
+
+int32_t
+quiesce_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 *dict, struct iatt *postparent)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_lookup_stub (frame, default_lookup_resume,
+ &local->loc, local->dict);
+ if (!stub) {
+ STACK_UNWIND_STRICT (lookup, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, inode, buf,
+ dict, postparent);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_stat_stub (frame, default_stat_resume,
+ &local->loc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (stat, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (stat, frame, op_ret, op_errno, buf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_access_stub (frame, default_access_resume,
+ &local->loc, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (access, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (access, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, const char *path,
+ struct iatt *buf, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_readlink_stub (frame, default_readlink_resume,
+ &local->loc, local->size, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readlink, frame, -1, ENOMEM,
+ NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (readlink, frame, op_ret, op_errno, path, buf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_open_stub (frame, default_open_resume,
+ &local->loc, local->flag, local->fd,
+ xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (open, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_readv_stub (frame, default_readv_resume,
+ local->fd, local->size, local->offset,
+ local->io_flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readv, frame, -1, ENOMEM,
+ NULL, 0, NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno, vector, count,
+ stbuf, iobref, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_flush_stub (frame, default_flush_resume,
+ local->fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (flush, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (flush, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fsync_stub (frame, default_fsync_resume,
+ local->fd, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsync, frame, -1, ENOMEM,
+ NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fsync, frame, op_ret, op_errno, prebuf, postbuf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fstat_stub (frame, default_fstat_resume,
+ local->fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fstat, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fstat, frame, op_ret, op_errno, buf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_opendir_stub (frame, default_opendir_resume,
+ &local->loc, local->fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (opendir, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (opendir, frame, op_ret, op_errno, fd, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fsyncdir_stub (frame, default_fsyncdir_resume,
+ local->fd, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsyncdir, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fsyncdir, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct statvfs *buf, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_statfs_stub (frame, default_statfs_resume,
+ &local->loc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (statfs, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (statfs, frame, op_ret, op_errno, buf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fgetxattr_stub (frame, default_fgetxattr_resume,
+ local->fd, local->name, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fgetxattr, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fgetxattr, frame, op_ret, op_errno, dict, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_getxattr_stub (frame, default_getxattr_resume,
+ &local->loc, local->name, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (getxattr, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, uint32_t weak_checksum,
+ uint8_t *strong_checksum, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_rchecksum_stub (frame, default_rchecksum_resume,
+ local->fd, local->offset, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (rchecksum, frame, -1, ENOMEM,
+ 0, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (rchecksum, frame, op_ret, op_errno, weak_checksum,
+ strong_checksum, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *entries, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_readdir_stub (frame, default_readdir_resume,
+ local->fd, local->size, local->offset, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readdir, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (readdir, frame, op_ret, op_errno, entries, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *entries, dict_t *xdata)
+{
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_readdirp_stub (frame, default_readdirp_resume,
+ local->fd, local->size, local->offset,
+ local->dict);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readdirp, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+#if 0
+
+int32_t
+quiesce_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)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_writev_stub (frame, default_writev_resume,
+ local->fd, local->vector, local->flag,
+ local->offset, local->io_flags,
+ local->iobref, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (writev, frame, -1, ENOMEM,
+ NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_xattrop_stub (frame, default_xattrop_resume,
+ &local->loc, local->xattrop_flags,
+ local->dict, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (xattrop, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (xattrop, frame, op_ret, op_errno, dict, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fxattrop_stub (frame, default_fxattrop_resume,
+ local->fd, local->xattrop_flags,
+ local->dict, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fxattrop, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fxattrop, frame, op_ret, op_errno, dict, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_lk_stub (frame, default_lk_resume,
+ local->fd, local->flag, &local->flock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (lk, frame, -1, ENOMEM,
+ NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno, lock, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_inodelk_stub (frame, default_inodelk_resume,
+ local->volname, &local->loc,
+ local->flag, &local->flock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (inodelk, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (inodelk, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_finodelk_stub (frame, default_finodelk_resume,
+ local->volname, local->fd,
+ local->flag, &local->flock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (finodelk, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (finodelk, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_entrylk_stub (frame, default_entrylk_resume,
+ local->volname, &local->loc,
+ local->name, local->cmd, local->type, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (entrylk, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (entrylk, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fentrylk_stub (frame, default_fentrylk_resume,
+ local->volname, local->fd,
+ local->name, local->cmd, local->type, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fentrylk, frame, -1, ENOMEM, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fentrylk, frame, op_ret, op_errno, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_setattr_stub (frame, default_setattr_resume,
+ &local->loc, &local->stbuf, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (setattr, frame, -1, ENOMEM,
+ NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (setattr, frame, op_ret, op_errno, statpre,
+ statpost, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ local = frame->local;
+ frame->local = NULL;
+
+ if ((op_ret == -1) && (op_errno == ENOTCONN)) {
+ /* Re-transmit (by putting in the queue) */
+ stub = fop_fsetattr_stub (frame, default_fsetattr_resume,
+ local->fd, &local->stbuf, local->flag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsetattr, frame, -1, ENOMEM,
+ NULL, NULL, NULL);
+ goto out;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+ goto out;
+ }
+
+ STACK_UNWIND_STRICT (fsetattr, frame, op_ret, op_errno, statpre,
+ statpost, xdata);
+out:
+ gf_quiesce_local_wipe (this, local);
+
+ return 0;
+}
+
+#endif /* if 0 */
+
+
+/* FOP */
+
+/* No retransmittion */
+
+int32_t
+quiesce_removexattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ const char *name, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_removexattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->removexattr,
+ loc,
+ name, xdata);
+ return 0;
+ }
+
+ stub = fop_removexattr_stub (frame, default_removexattr_resume,
+ loc, name, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (removexattr, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_truncate (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ off_t offset, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_truncate_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->truncate,
+ loc,
+ offset, xdata);
+ return 0;
+ }
+
+ stub = fop_truncate_stub (frame, default_truncate_resume, loc, offset, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (truncate, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsetxattr (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_fsetxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsetxattr,
+ fd,
+ dict,
+ flags, xdata);
+ return 0;
+ }
+
+ stub = fop_fsetxattr_stub (frame, default_fsetxattr_resume,
+ fd, dict, flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsetxattr, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_setxattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_setxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->setxattr,
+ loc,
+ dict,
+ flags, xdata);
+ return 0;
+ }
+
+ stub = fop_setxattr_stub (frame, default_setxattr_resume,
+ loc, dict, flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (setxattr, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_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)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ /* Don't send O_APPEND below, as write() re-transmittions can
+ fail with O_APPEND */
+ STACK_WIND (frame, default_create_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->create,
+ loc, (flags & ~O_APPEND), mode, umask, fd, xdata);
+ return 0;
+ }
+
+ stub = fop_create_stub (frame, default_create_resume,
+ loc, (flags & ~O_APPEND), mode, umask, fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (create, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_link (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_link_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->link,
+ oldloc, newloc, xdata);
+ return 0;
+ }
+
+ stub = fop_link_stub (frame, default_link_resume, oldloc, newloc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (link, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_rename (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_rename_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rename,
+ oldloc, newloc, xdata);
+ return 0;
+ }
+
+ stub = fop_rename_stub (frame, default_rename_resume, oldloc, newloc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (rename, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int
+quiesce_symlink (call_frame_t *frame, xlator_t *this,
+ const char *linkpath, loc_t *loc, mode_t umask, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame, default_symlink_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->symlink,
+ linkpath, loc, umask, xdata);
+ return 0;
+ }
+
+ stub = fop_symlink_stub (frame, default_symlink_resume,
+ linkpath, loc, umask, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (symlink, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int
+quiesce_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame, default_rmdir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rmdir,
+ loc, flags, xdata);
+ return 0;
+ }
+
+ stub = fop_rmdir_stub (frame, default_rmdir_resume, loc, flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (rmdir, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_unlink (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc, int xflag, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_unlink_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->unlink,
+ loc, xflag, xdata);
+ return 0;
+ }
+
+ stub = fop_unlink_stub (frame, default_unlink_resume, loc, xflag, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (unlink, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int
+quiesce_mkdir (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame, default_mkdir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mkdir,
+ loc, mode, umask, xdata);
+ return 0;
+ }
+
+ stub = fop_mkdir_stub (frame, default_mkdir_resume,
+ loc, mode, umask, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (mkdir, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int
+quiesce_mknod (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode, dev_t rdev, mode_t umask, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame, default_mknod_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mknod,
+ loc, mode, rdev, umask, xdata);
+ return 0;
+ }
+
+ stub = fop_mknod_stub (frame, default_mknod_resume,
+ loc, mode, rdev, umask, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (mknod, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_ftruncate (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ off_t offset, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv->pass_through) {
+ STACK_WIND (frame,
+ default_ftruncate_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->ftruncate,
+ fd,
+ offset, xdata);
+ return 0;
+ }
+
+ stub = fop_ftruncate_stub (frame, default_ftruncate_resume, fd, offset, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (ftruncate, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+/* Re-transmittion */
+
+int32_t
+quiesce_readlink (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ size_t size, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ local->size = size;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_readlink_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readlink,
+ loc,
+ size, xdata);
+ return 0;
+ }
+
+ stub = fop_readlink_stub (frame, default_readlink_resume, loc, size, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readlink, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_access (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ int32_t mask, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ local->flag = mask;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_access_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->access,
+ loc,
+ mask, xdata);
+ return 0;
+ }
+
+ stub = fop_access_stub (frame, default_access_resume, loc, mask, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (access, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fgetxattr (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ const char *name, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ if (name)
+ local->name = gf_strdup (name);
+
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_fgetxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fgetxattr,
+ fd,
+ name, xdata);
+ return 0;
+ }
+
+ stub = fop_fgetxattr_stub (frame, default_fgetxattr_resume, fd, name, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fgetxattr, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_statfs (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_statfs_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->statfs,
+ loc, xdata);
+ return 0;
+ }
+
+ stub = fop_statfs_stub (frame, default_statfs_resume, loc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (statfs, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsyncdir (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->flag = flags;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_fsyncdir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsyncdir,
+ fd,
+ flags, xdata);
+ return 0;
+ }
+
+ stub = fop_fsyncdir_stub (frame, default_fsyncdir_resume, fd, flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsyncdir, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_opendir (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc, fd_t *fd, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ local->fd = fd_ref (fd);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_opendir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->opendir,
+ loc, fd, xdata);
+ return 0;
+ }
+
+ stub = fop_opendir_stub (frame, default_opendir_resume, loc, fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (opendir, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fstat (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_fstat_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fstat,
+ fd, xdata);
+ return 0;
+ }
+
+ stub = fop_fstat_stub (frame, default_fstat_resume, fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fstat, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsync (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->flag = flags;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_fsync_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsync,
+ fd,
+ flags, xdata);
+ return 0;
+ }
+
+ stub = fop_fsync_stub (frame, default_fsync_resume, fd, flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsync, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_flush (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_flush_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->flush,
+ fd, xdata);
+ return 0;
+ }
+
+ stub = fop_flush_stub (frame, default_flush_resume, fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (flush, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_writev (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ struct iovec *vector,
+ int32_t count,
+ off_t off, uint32_t flags,
+ struct iobref *iobref, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_writev_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->writev,
+ fd,
+ vector,
+ count,
+ off, flags,
+ iobref, xdata);
+ return 0;
+ }
+
+ stub = fop_writev_stub (frame, default_writev_resume,
+ fd, vector, count, off, flags, iobref, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (writev, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_readv (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->size = size;
+ local->offset = offset;
+ local->io_flag = flags;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_readv_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readv,
+ fd,
+ size,
+ offset, flags, xdata);
+ return 0;
+ }
+
+ stub = fop_readv_stub (frame, default_readv_resume, fd, size, offset,
+ flags, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readv, frame, -1, ENOMEM,
+ NULL, 0, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_open (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ int32_t flags, fd_t *fd,
+ dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ local->fd = fd_ref (fd);
+
+ /* Don't send O_APPEND below, as write() re-transmittions can
+ fail with O_APPEND */
+ local->flag = (flags & ~O_APPEND);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_open_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open,
+ loc, (flags & ~O_APPEND), fd, xdata);
+ return 0;
+ }
+
+ stub = fop_open_stub (frame, default_open_resume, loc,
+ (flags & ~O_APPEND), fd, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (open, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_getxattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ const char *name, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ if (name)
+ local->name = gf_strdup (name);
+
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_getxattr_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr,
+ loc,
+ name, xdata);
+ return 0;
+ }
+
+ stub = fop_getxattr_stub (frame, default_getxattr_resume, loc, name, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (getxattr, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_xattrop (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ gf_xattrop_flags_t flags,
+ dict_t *dict, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_xattrop_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->xattrop,
+ loc,
+ flags,
+ dict, xdata);
+ return 0;
+ }
+
+ stub = fop_xattrop_stub (frame, default_xattrop_resume,
+ loc, flags, dict, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (xattrop, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fxattrop (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ gf_xattrop_flags_t flags,
+ dict_t *dict, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_fxattrop_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fxattrop,
+ fd,
+ flags,
+ dict, xdata);
+ return 0;
+ }
+
+ stub = fop_fxattrop_stub (frame, default_fxattrop_resume,
+ fd, flags, dict, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fxattrop, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_lk (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t cmd,
+ struct gf_flock *lock, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_lk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lk,
+ fd,
+ cmd,
+ lock, xdata);
+ return 0;
+ }
+
+ stub = fop_lk_stub (frame, default_lk_resume, fd, cmd, lock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (lk, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_inodelk (call_frame_t *frame, xlator_t *this,
+ const char *volume, loc_t *loc, int32_t cmd,
+ struct gf_flock *lock, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_inodelk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->inodelk,
+ volume, loc, cmd, lock, xdata);
+ return 0;
+ }
+
+ stub = fop_inodelk_stub (frame, default_inodelk_resume,
+ volume, loc, cmd, lock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (inodelk, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_finodelk (call_frame_t *frame, xlator_t *this,
+ const char *volume, fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_finodelk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->finodelk,
+ volume, fd, cmd, lock, xdata);
+ return 0;
+ }
+
+ stub = fop_finodelk_stub (frame, default_finodelk_resume,
+ volume, fd, cmd, lock, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (finodelk, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_entrylk (call_frame_t *frame, xlator_t *this,
+ const char *volume, loc_t *loc, const char *basename,
+ entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame, default_entrylk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->entrylk,
+ volume, loc, basename, cmd, type, xdata);
+ return 0;
+ }
+
+ stub = fop_entrylk_stub (frame, default_entrylk_resume,
+ volume, loc, basename, cmd, type, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (entrylk, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fentrylk (call_frame_t *frame, xlator_t *this,
+ const char *volume, fd_t *fd, const char *basename,
+ entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame, default_fentrylk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fentrylk,
+ volume, fd, basename, cmd, type, xdata);
+ return 0;
+ }
+
+ stub = fop_fentrylk_stub (frame, default_fentrylk_resume,
+ volume, fd, basename, cmd, type, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fentrylk, frame, -1, ENOMEM, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_rchecksum (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd, off_t offset,
+ int32_t len, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->offset = offset;
+ local->flag = len;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_rchecksum_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rchecksum,
+ fd, offset, len, xdata);
+ return 0;
+ }
+
+ stub = fop_rchecksum_stub (frame, default_rchecksum_resume,
+ fd, offset, len, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (rchecksum, frame, -1, ENOMEM, 0, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_readdir (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t off, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->size = size;
+ local->offset = off;
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_readdir_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readdir,
+ fd, size, off, xdata);
+ return 0;
+ }
+
+ stub = fop_readdir_stub (frame, default_readdir_resume, fd, size, off, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readdir, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_readdirp (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t off, dict_t *dict)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ local->fd = fd_ref (fd);
+ local->size = size;
+ local->offset = off;
+ local->dict = dict_ref (dict);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_readdirp_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->readdirp,
+ fd, size, off, dict);
+ return 0;
+ }
+
+ stub = fop_readdirp_stub (frame, default_readdirp_resume, fd, size,
+ off, dict);
+ if (!stub) {
+ STACK_UNWIND_STRICT (readdirp, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_setattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ struct iatt *stbuf,
+ int32_t valid, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_setattr_cbk,
+ FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->setattr,
+ loc, stbuf, valid, xdata);
+ return 0;
+ }
+
+ stub = fop_setattr_stub (frame, default_setattr_resume,
+ loc, stbuf, valid, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (setattr, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+
+int32_t
+quiesce_stat (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_stat_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->stat,
+ loc, xdata);
+ return 0;
+ }
+
+ stub = fop_stat_stub (frame, default_stat_resume, loc, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (stat, frame, -1, ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_lookup (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ dict_t *xattr_req)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+ quiesce_local_t *local = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ local = mem_get0 (priv->local_pool);
+ loc_dup (loc, &local->loc);
+ local->dict = dict_ref (xattr_req);
+ frame->local = local;
+
+ STACK_WIND (frame,
+ quiesce_lookup_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lookup,
+ loc, xattr_req);
+ return 0;
+ }
+
+ stub = fop_lookup_stub (frame, default_lookup_resume, loc, xattr_req);
+ if (!stub) {
+ STACK_UNWIND_STRICT (lookup, frame, -1, ENOMEM,
+ NULL, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+quiesce_fsetattr (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ struct iatt *stbuf,
+ int32_t valid, dict_t *xdata)
+{
+ quiesce_priv_t *priv = NULL;
+ call_stub_t *stub = NULL;
+
+ priv = this->private;
+
+ if (priv && priv->pass_through) {
+ STACK_WIND (frame,
+ default_fsetattr_cbk,
+ FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->fsetattr,
+ fd, stbuf, valid, xdata);
+ return 0;
+ }
+
+ stub = fop_fsetattr_stub (frame, default_fsetattr_resume,
+ fd, stbuf, valid, xdata);
+ if (!stub) {
+ STACK_UNWIND_STRICT (fsetattr, frame, -1, ENOMEM, NULL, NULL, NULL);
+ return 0;
+ }
+
+ gf_quiesce_enqueue (this, stub);
+
+ return 0;
+}
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+ int ret = -1;
+
+ ret = xlator_mem_acct_init (this, gf_quiesce_mt_end + 1);
+
+ return ret;
+}
+
+int
+init (xlator_t *this)
+{
+ int ret = -1;
+ quiesce_priv_t *priv = NULL;
+
+ if (!this->children || this->children->next) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "'quiesce' not configured with exactly one child");
+ goto out;
+ }
+
+ if (!this->parents) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "dangling volume. check volfile ");
+ }
+
+ priv = GF_CALLOC (1, sizeof (*priv), gf_quiesce_mt_priv_t);
+ if (!priv)
+ goto out;
+
+ priv->local_pool = mem_pool_new (quiesce_local_t,
+ GF_FOPS_EXPECTED_IN_PARALLEL);
+
+ LOCK_INIT (&priv->lock);
+ priv->pass_through = _gf_false;
+
+ INIT_LIST_HEAD (&priv->req);
+
+ this->private = priv;
+ ret = 0;
+out:
+ return ret;
+}
+
+void
+fini (xlator_t *this)
+{
+ quiesce_priv_t *priv = NULL;
+
+ priv = this->private;
+ if (!priv)
+ goto out;
+ this->private = NULL;
+
+ mem_pool_destroy (priv->local_pool);
+ LOCK_DESTROY (&priv->lock);
+ GF_FREE (priv);
+out:
+ return;
+}
+
+int
+notify (xlator_t *this, int event, void *data, ...)
+{
+ int ret = 0;
+ quiesce_priv_t *priv = NULL;
+ struct timespec timeout = {0,};
+
+ priv = this->private;
+ if (!priv)
+ goto out;
+
+ switch (event) {
+ case GF_EVENT_CHILD_UP:
+ {
+ ret = pthread_create (&priv->thr, NULL, gf_quiesce_dequeue_start,
+ this);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to create the quiesce-dequeue thread");
+ }
+
+ LOCK (&priv->lock);
+ {
+ priv->pass_through = _gf_true;
+ }
+ UNLOCK (&priv->lock);
+ break;
+ }
+ case GF_EVENT_CHILD_DOWN:
+ LOCK (&priv->lock);
+ {
+ priv->pass_through = _gf_false;
+ }
+ UNLOCK (&priv->lock);
+
+ if (priv->timer)
+ break;
+ timeout.tv_sec = 20;
+ timeout.tv_nsec = 0;
+
+ priv->timer = gf_timer_call_after (this->ctx,
+ timeout,
+ gf_quiesce_timeout,
+ (void *) this);
+
+ if (priv->timer == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Cannot create timer");
+ }
+
+ break;
+ default:
+ break;
+ }
+
+ ret = default_notify (this, event, data);
+out:
+ return ret;
+}
+
+
+struct xlator_fops fops = {
+ /* write/modifying fops */
+ .mknod = quiesce_mknod,
+ .create = quiesce_create,
+ .truncate = quiesce_truncate,
+ .ftruncate = quiesce_ftruncate,
+ .setxattr = quiesce_setxattr,
+ .removexattr = quiesce_removexattr,
+ .symlink = quiesce_symlink,
+ .unlink = quiesce_unlink,
+ .link = quiesce_link,
+ .mkdir = quiesce_mkdir,
+ .rmdir = quiesce_rmdir,
+ .rename = quiesce_rename,
+
+ /* The below calls are known to change state, hence
+ re-transmittion is not advised */
+ .lk = quiesce_lk,
+ .inodelk = quiesce_inodelk,
+ .finodelk = quiesce_finodelk,
+ .entrylk = quiesce_entrylk,
+ .fentrylk = quiesce_fentrylk,
+ .xattrop = quiesce_xattrop,
+ .fxattrop = quiesce_fxattrop,
+ .setattr = quiesce_setattr,
+ .fsetattr = quiesce_fsetattr,
+
+ /* Special case, re-transmittion is not harmful *
+ * as offset is properly sent from above layers */
+ /* TODO: not re-transmitted as of now */
+ .writev = quiesce_writev,
+
+ /* re-transmittable fops */
+ .lookup = quiesce_lookup,
+ .stat = quiesce_stat,
+ .fstat = quiesce_fstat,
+ .access = quiesce_access,
+ .readlink = quiesce_readlink,
+ .getxattr = quiesce_getxattr,
+ .open = quiesce_open,
+ .readv = quiesce_readv,
+ .flush = quiesce_flush,
+ .fsync = quiesce_fsync,
+ .statfs = quiesce_statfs,
+ .opendir = quiesce_opendir,
+ .readdir = quiesce_readdir,
+ .readdirp = quiesce_readdirp,
+ .fsyncdir = quiesce_fsyncdir,
+
+};
+
+struct xlator_dumpops dumpops;
+
+
+struct xlator_cbks cbks;
+
+
+struct volume_options options[] = {
+ { .key = {NULL} },
+};
generated by cgit (git 2.34.1) at 2026-01-04 06:40:28 +0000