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-rw-r--r--xlators/features/marker/src/marker.c2862
1 files changed, 2862 insertions, 0 deletions
diff --git a/xlators/features/marker/src/marker.c b/xlators/features/marker/src/marker.c
new file mode 100644
index 000000000..6a2c85691
--- /dev/null
+++ b/xlators/features/marker/src/marker.c
@@ -0,0 +1,2862 @@
+/*
+ Copyright (c) 2008-2012 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 "xlator.h"
+#include "defaults.h"
+#include "libxlator.h"
+#include "marker.h"
+#include "marker-mem-types.h"
+#include "marker-quota.h"
+#include "marker-quota-helper.h"
+#include "marker-common.h"
+#include "byte-order.h"
+
+#define _GF_UID_GID_CHANGED 1
+
+void
+fini (xlator_t *this);
+
+int32_t
+marker_start_setxattr (call_frame_t *, xlator_t *);
+
+marker_local_t *
+marker_local_ref (marker_local_t *local)
+{
+ GF_VALIDATE_OR_GOTO ("marker", local, err);
+
+ LOCK (&local->lock);
+ {
+ local->ref++;
+ }
+ UNLOCK (&local->lock);
+
+ return local;
+err:
+ return NULL;
+}
+
+int
+marker_loc_fill (loc_t *loc, inode_t *inode, inode_t *parent, char *path)
+{
+ int ret = -1;
+
+ if (!loc)
+ return ret;
+
+ if (inode) {
+ loc->inode = inode_ref (inode);
+ if (uuid_is_null (loc->gfid)) {
+ uuid_copy (loc->gfid, loc->inode->gfid);
+ }
+ }
+
+ if (parent)
+ loc->parent = inode_ref (parent);
+
+ if (path) {
+ loc->path = gf_strdup (path);
+ if (!loc->path) {
+ gf_log ("loc fill", GF_LOG_ERROR, "strdup failed");
+ goto loc_wipe;
+ }
+
+ loc->name = strrchr (loc->path, '/');
+ if (loc->name)
+ loc->name++;
+ }
+
+ ret = 0;
+loc_wipe:
+ if (ret < 0)
+ loc_wipe (loc);
+
+ return ret;
+}
+
+int
+marker_inode_loc_fill (inode_t *inode, loc_t *loc)
+{
+ char *resolvedpath = NULL;
+ int ret = -1;
+ inode_t *parent = NULL;
+
+ if ((!inode) || (!loc))
+ return ret;
+
+ parent = inode_parent (inode, NULL, NULL);
+
+ ret = inode_path (inode, NULL, &resolvedpath);
+ if (ret < 0)
+ goto err;
+
+ ret = marker_loc_fill (loc, inode, parent, resolvedpath);
+ if (ret < 0)
+ goto err;
+
+err:
+ if (parent)
+ inode_unref (parent);
+
+ GF_FREE (resolvedpath);
+
+ return ret;
+}
+
+int32_t
+marker_trav_parent (marker_local_t *local)
+{
+ int32_t ret = 0;
+ loc_t loc = {0, };
+ inode_t *parent = NULL;
+ int8_t need_unref = 0;
+
+ if (!local->loc.parent) {
+ parent = inode_parent (local->loc.inode, NULL, NULL);
+ if (parent)
+ need_unref = 1;
+ } else
+ parent = local->loc.parent;
+
+ ret = marker_inode_loc_fill (parent, &loc);
+
+ if (ret < 0) {
+ ret = -1;
+ goto out;
+ }
+
+ loc_wipe (&local->loc);
+
+ local->loc = loc;
+out:
+ if (need_unref)
+ inode_unref (parent);
+
+ return ret;
+}
+
+int32_t
+marker_error_handler (xlator_t *this, marker_local_t *local, int32_t op_errno)
+{
+ marker_conf_t *priv = NULL;
+ const char *path = NULL;
+
+ priv = (marker_conf_t *) this->private;
+ path = local
+ ? (local->loc.path
+ ? local->loc.path : uuid_utoa(local->loc.gfid))
+ : "<nul>";
+
+ gf_log (this->name, GF_LOG_CRITICAL,
+ "Indexing gone corrupt at %s (reason: %s)."
+ " Geo-replication slave content needs to be revalidated",
+ path, strerror (op_errno));
+ unlink (priv->timestamp_file);
+
+ return 0;
+}
+
+int32_t
+marker_local_unref (marker_local_t *local)
+{
+ int32_t var = 0;
+
+ if (local == NULL)
+ return -1;
+
+ LOCK (&local->lock);
+ {
+ var = --local->ref;
+ }
+ UNLOCK (&local->lock);
+
+ if (var != 0)
+ goto out;
+
+ loc_wipe (&local->loc);
+ loc_wipe (&local->parent_loc);
+ if (local->xdata)
+ dict_unref (local->xdata);
+
+ if (local->oplocal) {
+ marker_local_unref (local->oplocal);
+ local->oplocal = NULL;
+ }
+ mem_put (local);
+out:
+ return 0;
+}
+
+int32_t
+stat_stampfile (xlator_t *this, marker_conf_t *priv,
+ struct volume_mark **status)
+{
+ struct stat buf = {0, };
+ struct volume_mark *vol_mark = NULL;
+
+ vol_mark = GF_CALLOC (sizeof (struct volume_mark), 1,
+ gf_marker_mt_volume_mark);
+
+ vol_mark->major = 1;
+ vol_mark->minor = 0;
+
+ GF_ASSERT (sizeof (priv->volume_uuid_bin) == 16);
+ memcpy (vol_mark->uuid, priv->volume_uuid_bin, 16);
+
+ if (stat (priv->timestamp_file, &buf) != -1) {
+ vol_mark->retval = 0;
+ vol_mark->sec = htonl (buf.st_ctime);
+ vol_mark->usec = htonl (ST_CTIM_NSEC (&buf)/1000);
+ } else
+ vol_mark->retval = 1;
+
+ *status = vol_mark;
+
+ return 0;
+}
+
+int32_t
+marker_getxattr_stampfile_cbk (call_frame_t *frame, xlator_t *this,
+ const char *name, struct volume_mark *vol_mark,
+ dict_t *xdata)
+{
+ int32_t ret = -1;
+ dict_t *dict = NULL;
+
+ if (vol_mark == NULL){
+ STACK_UNWIND_STRICT (getxattr, frame, -1, ENOMEM, NULL, NULL);
+
+ goto out;
+ }
+
+ dict = dict_new ();
+
+ ret = dict_set_bin (dict, (char *)name, vol_mark,
+ sizeof (struct volume_mark));
+ if (ret)
+ gf_log (this->name, GF_LOG_WARNING, "failed to set key %s",
+ name);
+
+ STACK_UNWIND_STRICT (getxattr, frame, 0, 0, dict, xdata);
+
+ dict_unref (dict);
+out:
+ return 0;
+}
+
+int32_t
+call_from_special_client (call_frame_t *frame, xlator_t *this, const char *name)
+{
+ struct volume_mark *vol_mark = NULL;
+ marker_conf_t *priv = NULL;
+ gf_boolean_t ret = _gf_true;
+
+ priv = (marker_conf_t *)this->private;
+
+ if (frame->root->pid != GF_CLIENT_PID_GSYNCD || name == NULL ||
+ strcmp (name, MARKER_XATTR_PREFIX "." VOLUME_MARK) != 0) {
+ ret = _gf_false;
+ goto out;
+ }
+
+ stat_stampfile (this, priv, &vol_mark);
+
+ marker_getxattr_stampfile_cbk (frame, this, name, vol_mark, NULL);
+out:
+ return ret;
+}
+
+int32_t
+marker_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)
+{
+ if (cookie) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Filtering the quota extended attributes");
+
+ dict_foreach_fnmatch (dict, "trusted.glusterfs.quota*",
+ marker_filter_quota_xattr, NULL);
+ }
+
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict, xdata);
+ return 0;
+}
+
+int32_t
+marker_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata)
+{
+ gf_boolean_t ret = _gf_false;
+ marker_conf_t *priv = NULL;
+ unsigned long cookie = 0;
+
+ priv = this->private;
+
+ if (priv == NULL || (priv->feature_enabled & GF_XTIME) == 0)
+ goto wind;
+
+ gf_log (this->name, GF_LOG_DEBUG, "USER:PID = %d", frame->root->pid);
+
+ ret = call_from_special_client (frame, this, name);
+wind:
+ if (ret == _gf_false) {
+ if (name == NULL) {
+ /* Signifies that marker translator
+ * has to filter the quota's xattr's,
+ * this is to prevent afr from performing
+ * self healing on marker-quota xattrs'
+ */
+ cookie = 1;
+ }
+ STACK_WIND_COOKIE (frame, marker_getxattr_cbk, (void *)cookie,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc,
+ name, xdata);
+ }
+
+ return 0;
+}
+
+
+int32_t
+marker_setxattr_done (call_frame_t *frame)
+{
+ marker_local_t *local = NULL;
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_DESTROY (frame->root);
+
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int
+marker_specific_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ int32_t ret = 0;
+ int32_t done = 0;
+ marker_local_t *local = NULL;
+
+ local = (marker_local_t*) frame->local;
+
+ if (op_ret == -1 && op_errno == ENOSPC) {
+ marker_error_handler (this, local, op_errno);
+ done = 1;
+ goto out;
+ }
+
+ if (local) {
+ if (local->loc.path && strcmp (local->loc.path, "/") == 0) {
+ done = 1;
+ goto out;
+ }
+ if (__is_root_gfid (local->loc.gfid)) {
+ done = 1;
+ goto out;
+ }
+ }
+
+ ret = marker_trav_parent (local);
+
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG, "Error occurred "
+ "while traversing to the parent, stopping marker");
+
+ done = 1;
+
+ goto out;
+ }
+
+ marker_start_setxattr (frame, this);
+
+out:
+ if (done) {
+ marker_setxattr_done (frame);
+ }
+
+ return 0;
+}
+
+int32_t
+marker_start_setxattr (call_frame_t *frame, xlator_t *this)
+{
+ int32_t ret = -1;
+ dict_t *dict = NULL;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ local = (marker_local_t*) frame->local;
+
+ if (!local)
+ goto out;
+
+ dict = dict_new ();
+
+ if (!dict)
+ goto out;
+
+ if (local->loc.inode && uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, local->loc.inode->gfid);
+
+ GF_UUID_ASSERT (local->loc.gfid);
+
+ ret = dict_set_static_bin (dict, priv->marker_xattr,
+ (void *)local->timebuf, 8);
+ if (ret) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "failed to set marker xattr (%s)", local->loc.path);
+ goto out;
+ }
+
+ STACK_WIND (frame, marker_specific_setxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->setxattr, &local->loc, dict, 0,
+ NULL);
+
+ ret = 0;
+out:
+ if (dict)
+ dict_unref (dict);
+
+ return ret;
+}
+
+void
+marker_gettimeofday (marker_local_t *local)
+{
+ struct timeval tv = {0, };
+
+ gettimeofday (&tv, NULL);
+
+ local->timebuf [0] = htonl (tv.tv_sec);
+ local->timebuf [1] = htonl (tv.tv_usec);
+
+ return;
+}
+
+int32_t
+marker_create_frame (xlator_t *this, marker_local_t *local)
+{
+ call_frame_t *frame = NULL;
+
+ frame = create_frame (this, this->ctx->pool);
+
+ frame->local = (void *) local;
+
+ marker_start_setxattr (frame, this);
+
+ return 0;
+}
+
+int32_t
+marker_xtime_update_marks (xlator_t *this, marker_local_t *local)
+{
+ marker_conf_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("marker", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, local, out);
+
+ priv = this->private;
+
+ if ((local->pid == GF_CLIENT_PID_GSYNCD
+ && !(priv->feature_enabled & GF_XTIME_GSYNC_FORCE))
+ || (local->pid == GF_CLIENT_PID_DEFRAG))
+ goto out;
+
+ marker_gettimeofday (local);
+
+ marker_local_ref (local);
+
+ marker_create_frame (this, local);
+out:
+ return 0;
+}
+
+
+int32_t
+marker_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "error occurred "
+ "while Creating a file %s", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (mkdir, frame, op_ret, op_errno, inode,
+ buf, preparent, postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, buf->ia_gfid);
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_set_inode_xattr (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int
+marker_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_mkdir_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mkdir, loc, mode, umask, xdata);
+
+ return 0;
+err:
+ STACK_UNWIND_STRICT (mkdir, frame, -1, ENOMEM, NULL,
+ NULL, NULL, NULL, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "error occurred "
+ "while Creating a file %s", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf,
+ preparent, postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, buf->ia_gfid);
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_set_inode_xattr (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_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)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_create_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->create, loc, flags, mode, umask,
+ fd, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (create, frame, -1, ENOMEM, NULL, NULL, NULL, NULL,
+ NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_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)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "error occurred "
+ "while write, %s", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, postbuf,
+ xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_writev (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ struct iovec *vector,
+ int32_t count,
+ off_t offset, uint32_t flags,
+ struct iobref *iobref, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_writev_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->writev, fd, vector, count, offset,
+ flags, iobref, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (writev, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "error occurred "
+ "rmdir %s", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (rmdir, frame, op_ret, op_errno, preparent,
+ postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_reduce_parent_size (this, &local->loc, -1);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_rmdir_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rmdir, loc, flags, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (rmdir, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE,
+ "%s occurred in unlink", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (unlink, frame, op_ret, op_errno, preparent,
+ postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if ((priv->feature_enabled & GF_QUOTA) && (local->ia_nlink == 1))
+ mq_reduce_parent_size (this, &local->loc, -1);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+
+int32_t
+marker_unlink_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)
+{
+ marker_local_t *local = NULL;
+
+ local = frame->local;
+ if (op_ret < 0) {
+ goto err;
+ }
+
+ if (local == NULL) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local->ia_nlink = buf->ia_nlink;
+
+ STACK_WIND (frame, marker_unlink_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->unlink, &local->loc, local->xflag,
+ local->xdata);
+ return 0;
+err:
+ frame->local = NULL;
+ STACK_UNWIND_STRICT (unlink, frame, -1, op_errno, NULL, NULL, NULL);
+ marker_local_unref (local);
+ return 0;
+}
+
+
+int32_t
+marker_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto unlink_wind;
+
+ local = mem_get0 (this->local_pool);
+ local->xflag = xflag;
+ if (xdata)
+ local->xdata = dict_ref (xdata);
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+
+ if (uuid_is_null (loc->gfid) && loc->inode)
+ uuid_copy (loc->gfid, loc->inode->gfid);
+
+ STACK_WIND (frame, marker_unlink_stat_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->stat, loc, xdata);
+ return 0;
+
+unlink_wind:
+ STACK_WIND (frame, marker_unlink_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->unlink, loc, xflag, xdata);
+ return 0;
+err:
+ frame->local = NULL;
+ STACK_UNWIND_STRICT (unlink, frame, -1, ENOMEM, NULL, NULL, NULL);
+ marker_local_unref (local);
+ return 0;
+}
+
+
+int32_t
+marker_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "linking a file ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (link, frame, op_ret, op_errno, inode, buf,
+ preparent, postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, newloc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_link_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->link, oldloc, newloc, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (link, frame, -1, ENOMEM, NULL, NULL, NULL, NULL,
+ NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_rename_done (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ loc_t newloc = {0, };
+ marker_conf_t *priv = NULL;
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ priv = this->private;
+
+ frame->local = NULL;
+
+ if (op_ret < 0) {
+ if (local->err == 0) {
+ local->err = op_errno;
+ }
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "inodelk (UNLOCK) failed on path:%s (gfid:%s) (%s)",
+ local->parent_loc.path,
+ uuid_utoa (local->parent_loc.inode->gfid),
+ strerror (op_errno));
+ }
+
+ if (local->stub != NULL) {
+ call_resume (local->stub);
+ local->stub = NULL;
+ } else if (local->err != 0) {
+ STACK_UNWIND_STRICT (rename, frame, -1, local->err, NULL, NULL,
+ NULL, NULL, NULL, NULL);
+ }
+
+ mq_reduce_parent_size (this, &oplocal->loc, oplocal->contribution);
+
+ if (local->loc.inode != NULL) {
+ mq_reduce_parent_size (this, &local->loc, local->contribution);
+ }
+
+ newloc.inode = inode_ref (oplocal->loc.inode);
+ newloc.path = gf_strdup (local->loc.path);
+ newloc.name = strrchr (newloc.path, '/');
+ if (newloc.name)
+ newloc.name++;
+ newloc.parent = inode_ref (local->loc.parent);
+
+ mq_rename_update_newpath (this, &newloc);
+
+ loc_wipe (&newloc);
+
+ if (priv->feature_enabled & GF_XTIME) {
+ //update marks on oldpath
+ uuid_copy (local->loc.gfid, oplocal->loc.inode->gfid);
+ marker_xtime_update_marks (this, oplocal);
+ marker_xtime_update_marks (this, local);
+ }
+
+ marker_local_unref (local);
+ marker_local_unref (oplocal);
+ return 0;
+}
+
+
+int32_t
+marker_rename_release_newp_lock (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ struct gf_flock lock = {0, };
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ if (op_ret < 0) {
+ if (local->err == 0) {
+ local->err = op_errno;
+ }
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "inodelk (UNLOCK) failed on %s (gfid:%s) (%s)",
+ oplocal->parent_loc.path,
+ uuid_utoa (oplocal->parent_loc.inode->gfid),
+ strerror (op_errno));
+ }
+
+ if (local->next_lock_on == NULL) {
+ marker_rename_done (frame, NULL, this, 0, 0, NULL);
+ goto out;
+ }
+
+ lock.l_type = F_UNLCK;
+ lock.l_whence = SEEK_SET;
+ lock.l_start = 0;
+ lock.l_len = 0;
+ lock.l_pid = 0;
+
+ STACK_WIND (frame,
+ marker_rename_done,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->inodelk,
+ this->name, &local->parent_loc, F_SETLKW, &lock, NULL);
+
+out:
+ return 0;
+}
+
+
+int32_t
+marker_rename_release_oldp_lock (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ struct gf_flock lock = {0, };
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ if ((op_ret < 0) && (op_errno != ENOATTR)) {
+ local->err = op_errno;
+ }
+
+ //Reset frame uid and gid if set.
+ if (cookie == (void *) _GF_UID_GID_CHANGED)
+ MARKER_RESET_UID_GID (frame, frame->root, local);
+
+ lock.l_type = F_UNLCK;
+ lock.l_whence = SEEK_SET;
+ lock.l_start = 0;
+ lock.l_len = 0;
+ lock.l_pid = 0;
+
+ STACK_WIND (frame,
+ marker_rename_release_newp_lock,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->inodelk,
+ this->name, &oplocal->parent_loc, F_SETLKW, &lock, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ struct iatt *preoldparent, struct iatt *postoldparent,
+ struct iatt *prenewparent, struct iatt *postnewparent,
+ dict_t *xdata)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+ marker_local_t *oplocal = NULL;
+ call_stub_t *stub = NULL;
+ int32_t ret = 0;
+ char contri_key [512] = {0, };
+ loc_t newloc = {0, };
+
+ local = (marker_local_t *) frame->local;
+
+ if (local != NULL) {
+ oplocal = local->oplocal;
+ }
+
+ priv = this->private;
+
+ if (op_ret < 0) {
+ if (local != NULL) {
+ local->err = op_errno;
+ }
+
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "renaming a file ", strerror (op_errno));
+ }
+
+ if (priv->feature_enabled & GF_QUOTA) {
+ if ((op_ret < 0) || (local == NULL)) {
+ goto quota_err;
+ }
+
+ stub = fop_rename_cbk_stub (frame, default_rename_cbk, op_ret,
+ op_errno, buf, preoldparent,
+ postoldparent, prenewparent,
+ postnewparent, xdata);
+ if (stub == NULL) {
+ local->err = ENOMEM;
+ goto quota_err;
+ }
+
+ local->stub = stub;
+
+ GET_CONTRI_KEY (contri_key, oplocal->loc.parent->gfid, ret);
+ if (ret < 0) {
+ local->err = ENOMEM;
+ goto quota_err;
+ }
+
+ /* Removexattr requires uid and gid to be 0,
+ * reset them in the callback.
+ */
+ MARKER_SET_UID_GID (frame, local, frame->root);
+
+ newloc.inode = inode_ref (oplocal->loc.inode);
+ newloc.path = gf_strdup (local->loc.path);
+ newloc.name = strrchr (newloc.path, '/');
+ if (newloc.name)
+ newloc.name++;
+ newloc.parent = inode_ref (local->loc.parent);
+ uuid_copy (newloc.gfid, oplocal->loc.inode->gfid);
+
+ STACK_WIND_COOKIE (frame, marker_rename_release_oldp_lock,
+ frame->cookie, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->removexattr,
+ &newloc, contri_key, NULL);
+
+ loc_wipe (&newloc);
+ } else {
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (rename, frame, op_ret, op_errno, buf,
+ preoldparent, postoldparent, prenewparent,
+ postnewparent, xdata);
+
+ if ((op_ret < 0) || (local == NULL)) {
+ goto out;
+ }
+
+ if (priv->feature_enabled & GF_XTIME) {
+ //update marks on oldpath
+ uuid_copy (local->loc.gfid, oplocal->loc.inode->gfid);
+ marker_xtime_update_marks (this, oplocal);
+ marker_xtime_update_marks (this, local);
+ }
+ }
+
+out:
+ if (!(priv->feature_enabled & GF_QUOTA)) {
+ marker_local_unref (local);
+ marker_local_unref (oplocal);
+ }
+
+ return 0;
+
+quota_err:
+ marker_rename_release_oldp_lock (frame, NULL, this, 0, 0, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_do_rename (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ char contri_key[512] = {0, };
+ int32_t ret = 0;
+ int64_t *contribution = 0;
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ //Reset frame uid and gid if set.
+ if (cookie == (void *) _GF_UID_GID_CHANGED)
+ MARKER_RESET_UID_GID (frame, frame->root, local);
+
+ if ((op_ret < 0) && (op_errno != ENOATTR)) {
+ local->err = op_errno;
+ gf_log (this->name, GF_LOG_WARNING,
+ "fetching contribution values from %s (gfid:%s) "
+ "failed (%s)", local->loc.path,
+ uuid_utoa (local->loc.inode->gfid),
+ strerror (op_errno));
+ goto err;
+ }
+
+ if (local->loc.inode != NULL) {
+ GET_CONTRI_KEY (contri_key, local->loc.parent->gfid, ret);
+ if (ret < 0) {
+ local->err = errno;
+ goto err;
+ }
+
+ if (dict_get_bin (dict, contri_key,
+ (void **) &contribution) == 0) {
+ local->contribution = ntoh64 (*contribution);
+ }
+ }
+
+ STACK_WIND (frame, marker_rename_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rename, &oplocal->loc,
+ &local->loc, NULL);
+
+ return 0;
+
+err:
+ marker_rename_release_oldp_lock (frame, NULL, this, 0, 0, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_get_newpath_contribution (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *dict, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ char contri_key[512] = {0, };
+ int32_t ret = 0;
+ int64_t *contribution = 0;
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ //Reset frame uid and gid if set.
+ if (cookie == (void *) _GF_UID_GID_CHANGED)
+ MARKER_RESET_UID_GID (frame, frame->root, local);
+
+ if ((op_ret < 0) && (op_errno != ENOATTR)) {
+ local->err = op_errno;
+ gf_log (this->name, GF_LOG_WARNING,
+ "fetching contribution values from %s (gfid:%s) "
+ "failed (%s)", oplocal->loc.path,
+ uuid_utoa (oplocal->loc.inode->gfid),
+ strerror (op_errno));
+ goto err;
+ }
+
+ GET_CONTRI_KEY (contri_key, oplocal->loc.parent->gfid, ret);
+ if (ret < 0) {
+ local->err = errno;
+ goto err;
+ }
+
+ if (dict_get_bin (dict, contri_key, (void **) &contribution) == 0)
+ oplocal->contribution = ntoh64 (*contribution);
+
+ if (local->loc.inode != NULL) {
+ GET_CONTRI_KEY (contri_key, local->loc.parent->gfid, ret);
+ if (ret < 0) {
+ local->err = errno;
+ goto err;
+ }
+
+ /* getxattr requires uid and gid to be 0,
+ * reset them in the callback.
+ */
+ MARKER_SET_UID_GID (frame, local, frame->root);
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, local->loc.inode->gfid);
+
+ GF_UUID_ASSERT (local->loc.gfid);
+
+ STACK_WIND_COOKIE (frame, marker_do_rename,
+ frame->cookie, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr,
+ &local->loc, contri_key, NULL);
+ } else {
+ marker_do_rename (frame, NULL, this, 0, 0, NULL, NULL);
+ }
+
+ return 0;
+err:
+ marker_rename_release_oldp_lock (frame, NULL, this, 0, 0, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_get_oldpath_contribution (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ char contri_key[512] = {0, };
+ int32_t ret = 0;
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ if (op_ret < 0) {
+ local->err = op_errno;
+ gf_log (this->name, GF_LOG_WARNING,
+ "cannot hold inodelk on %s (gfid:%s) (%s)",
+ local->next_lock_on->path,
+ uuid_utoa (local->next_lock_on->inode->gfid),
+ strerror (op_errno));
+ goto lock_err;
+ }
+
+ GET_CONTRI_KEY (contri_key, oplocal->loc.parent->gfid, ret);
+ if (ret < 0) {
+ local->err = errno;
+ goto quota_err;
+ }
+
+ /* getxattr requires uid and gid to be 0,
+ * reset them in the callback.
+ */
+ MARKER_SET_UID_GID (frame, local, frame->root);
+
+ if (uuid_is_null (oplocal->loc.gfid))
+ uuid_copy (oplocal->loc.gfid,
+ oplocal->loc.inode->gfid);
+
+ GF_UUID_ASSERT (oplocal->loc.gfid);
+
+ STACK_WIND_COOKIE (frame, marker_get_newpath_contribution,
+ frame->cookie, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr,
+ &oplocal->loc, contri_key, NULL);
+ return 0;
+
+quota_err:
+ marker_rename_release_oldp_lock (frame, NULL, this, 0, 0, NULL);
+ return 0;
+
+lock_err:
+ if ((local->next_lock_on == NULL)
+ || (local->next_lock_on == &local->parent_loc)) {
+ local->next_lock_on = NULL;
+ marker_rename_release_oldp_lock (frame, NULL, this, 0, 0, NULL);
+ } else {
+ marker_rename_release_newp_lock (frame, NULL, this, 0, 0, NULL);
+ }
+
+ return 0;
+}
+
+
+int32_t
+marker_rename_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL, *oplocal = NULL;
+ loc_t *loc = NULL;
+ struct gf_flock lock = {0, };
+
+ local = frame->local;
+ oplocal = local->oplocal;
+
+ if (op_ret < 0) {
+ if (local->next_lock_on != &oplocal->parent_loc) {
+ loc = &oplocal->parent_loc;
+ } else {
+ loc = &local->parent_loc;
+ }
+
+ local->err = op_errno;
+ gf_log (this->name, GF_LOG_WARNING,
+ "cannot hold inodelk on %s (gfid:%s) (%s)",
+ loc->path, uuid_utoa (loc->inode->gfid),
+ strerror (op_errno));
+ goto err;
+ }
+
+ if (local->next_lock_on != NULL) {
+ lock.l_len = 0;
+ lock.l_start = 0;
+ lock.l_type = F_WRLCK;
+ lock.l_whence = SEEK_SET;
+
+ STACK_WIND (frame,
+ marker_get_oldpath_contribution,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->inodelk,
+ this->name, local->next_lock_on,
+ F_SETLKW, &lock, NULL);
+ } else {
+ marker_get_oldpath_contribution (frame, 0, this, 0, 0, NULL);
+ }
+
+ return 0;
+
+err:
+ marker_rename_done (frame, NULL, this, 0, 0, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc,
+ loc_t *newloc, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_local_t *oplocal = NULL;
+ marker_conf_t *priv = NULL;
+ struct gf_flock lock = {0, };
+ loc_t *lock_on = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto rename_wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ oplocal = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, oplocal);
+
+ frame->local = local;
+
+ local->oplocal = marker_local_ref (oplocal);
+
+ ret = loc_copy (&local->loc, newloc);
+ if (ret < 0)
+ goto err;
+
+ ret = loc_copy (&oplocal->loc, oldloc);
+ if (ret < 0)
+ goto err;
+
+ if (!(priv->feature_enabled & GF_QUOTA)) {
+ goto rename_wind;
+ }
+
+ ret = mq_inode_loc_fill (NULL, newloc->parent, &local->parent_loc);
+ if (ret < 0)
+ goto err;
+
+ ret = mq_inode_loc_fill (NULL, oldloc->parent, &oplocal->parent_loc);
+ if (ret < 0)
+ goto err;
+
+ if ((newloc->inode != NULL) && (newloc->parent != oldloc->parent)
+ && (uuid_compare (newloc->parent->gfid,
+ oldloc->parent->gfid) < 0)) {
+ lock_on = &local->parent_loc;
+ local->next_lock_on = &oplocal->parent_loc;
+ } else {
+ lock_on = &oplocal->parent_loc;
+ if ((newloc->inode != NULL) && (newloc->parent
+ != oldloc->parent)) {
+ local->next_lock_on = &local->parent_loc;
+ }
+ }
+
+ lock.l_len = 0;
+ lock.l_start = 0;
+ lock.l_type = F_WRLCK;
+ lock.l_whence = SEEK_SET;
+
+ STACK_WIND (frame,
+ marker_rename_inodelk_cbk,
+ FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->inodelk,
+ this->name, lock_on,
+ F_SETLKW, &lock, NULL);
+
+ return 0;
+
+rename_wind:
+ STACK_WIND (frame, marker_rename_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->rename, oldloc, newloc, xdata);
+
+ return 0;
+err:
+ STACK_UNWIND_STRICT (rename, frame, -1, ENOMEM, NULL,
+ NULL, NULL, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "truncating a file ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_truncate_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->truncate, loc, offset, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (truncate, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_ftruncate_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)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "truncating a file ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (ftruncate, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_ftruncate_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->ftruncate, fd, offset, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (ftruncate, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "creating symlinks ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (symlink, frame, op_ret, op_errno, inode, buf,
+ preparent, postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, buf->ia_gfid);
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_set_inode_xattr (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int
+marker_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *loc, mode_t umask, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_symlink_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->symlink, linkpath, loc, umask,
+ xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (symlink, frame, -1, ENOMEM, NULL,
+ NULL, NULL, NULL, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "creating symlinks ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (mknod, frame, op_ret, op_errno, inode,
+ buf, preparent, postparent, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, buf->ia_gfid);
+
+ priv = this->private;
+
+ if ((priv->feature_enabled & GF_QUOTA) && (S_ISREG (local->mode))) {
+ mq_set_inode_xattr (this, &local->loc);
+ }
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int
+marker_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, mode_t umask, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ local->mode = mode;
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_mknod_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, umask,
+ xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (mknod, frame, -1, ENOMEM, NULL,
+ NULL, NULL, NULL, NULL);
+ return 0;
+}
+
+
+int32_t
+marker_fallocate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "fallocating a file ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (fallocate, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
+ off_t offset, size_t len, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_fallocate_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fallocate, fd, mode, offset, len,
+ xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (fallocate, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred during discard",
+ strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (discard, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_discard_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->discard, fd, offset, len, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (discard, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+int32_t
+marker_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred during zerofill",
+ strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (zerofill, frame, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA)
+ mq_initiate_quota_txn (this, &local->loc);
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_zerofill_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->zerofill, fd, offset, len, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (zerofill, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+/* when a call from the special client is received on
+ * key trusted.glusterfs.volume-mark with value "RESET"
+ * or if the value is 0length, update the change the
+ * access time and modification time via touching the
+ * timestamp file.
+ */
+int32_t
+call_from_sp_client_to_reset_tmfile (call_frame_t *frame,
+ xlator_t *this,
+ dict_t *dict)
+{
+ int32_t fd = 0;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ data_t *data = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (frame == NULL || this == NULL || dict == NULL)
+ return -1;
+
+ priv = this->private;
+
+ data = dict_get (dict, "trusted.glusterfs.volume-mark");
+ if (data == NULL)
+ return -1;
+
+ if (frame->root->pid != GF_CLIENT_PID_GSYNCD) {
+ op_ret = -1;
+ op_errno = EPERM;
+
+ goto out;
+ }
+
+ if (data->len == 0 || (data->len == 5 &&
+ memcmp (data->data, "RESET", 5) == 0)) {
+ fd = open (priv->timestamp_file, O_WRONLY|O_TRUNC);
+ if (fd != -1) {
+ /* TODO check whether the O_TRUNC would update the
+ * timestamps on a zero length file on all machies.
+ */
+ close (fd);
+ }
+
+ if (fd != -1 || errno == ENOENT) {
+ op_ret = 0;
+ op_errno = 0;
+ } else {
+ op_ret = -1;
+ op_errno = errno;
+ }
+ } else {
+ op_ret = -1;
+ op_errno = EINVAL;
+ }
+out:
+ STACK_UNWIND_STRICT (setxattr, frame, op_ret, op_errno, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred in "
+ "setxattr ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (setxattr, frame, op_ret, op_errno, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ ret = call_from_sp_client_to_reset_tmfile (frame, this, dict);
+ if (ret == 0)
+ return 0;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_setxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->setxattr, loc, dict, flags, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (setxattr, frame, -1, ENOMEM, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "%s occurred while "
+ "creating symlinks ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (fsetxattr, frame, op_ret, op_errno, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ ret = call_from_sp_client_to_reset_tmfile (frame, this, dict);
+ if (ret == 0)
+ return 0;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_fsetxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fsetxattr, fd, dict, flags, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (fsetxattr, frame, -1, ENOMEM, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_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)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR, "%s occurred while "
+ "creating symlinks ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (fsetattr, frame, op_ret, op_errno, statpre,
+ statpost, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+
+int32_t
+marker_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = marker_inode_loc_fill (fd->inode, &local->loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_fsetattr_cbk, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->fsetattr, fd, stbuf, valid, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (fsetattr, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_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)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, ((op_errno == ENOENT) ? GF_LOG_DEBUG :
+ GF_LOG_ERROR),
+ "%s occurred during setattr of %s",
+ strerror (op_errno),
+ (local ? local->loc.path : "<nul>"));
+ }
+
+ STACK_UNWIND_STRICT (setattr, frame, op_ret, op_errno, statpre,
+ statpost, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_setattr_cbk, FIRST_CHILD (this),
+ FIRST_CHILD (this)->fops->setattr, loc, stbuf, valid, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (setattr, frame, -1, ENOMEM, NULL, NULL, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
+{
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR, "%s occurred while "
+ "creating symlinks ", strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (removexattr, frame, op_ret, op_errno, xdata);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_XTIME)
+ marker_xtime_update_marks (this, local);
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+
+ if (ret == -1)
+ goto err;
+wind:
+ STACK_WIND (frame, marker_removexattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->removexattr, loc, name, xdata);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (removexattr, frame, -1, ENOMEM, NULL);
+
+ return 0;
+}
+
+
+int32_t
+marker_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)
+{
+ marker_conf_t *priv = NULL;
+ marker_local_t *local = NULL;
+
+ if (op_ret == -1) {
+ gf_log (this->name, GF_LOG_TRACE, "lookup failed with %s",
+ strerror (op_errno));
+ }
+
+ local = (marker_local_t *) frame->local;
+
+ frame->local = NULL;
+
+ STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, inode, buf,
+ dict, postparent);
+
+ if (op_ret == -1 || local == NULL)
+ goto out;
+
+ /* copy the gfid from the stat structure instead of inode,
+ * since if the lookup is fresh lookup, then the inode
+ * would have not yet linked to the inode table which happens
+ * in protocol/server.
+ */
+ if (uuid_is_null (local->loc.gfid))
+ uuid_copy (local->loc.gfid, buf->ia_gfid);
+
+
+ priv = this->private;
+
+ if (priv->feature_enabled & GF_QUOTA) {
+ mq_xattr_state (this, &local->loc, dict, *buf);
+ }
+
+out:
+ marker_local_unref (local);
+
+ return 0;
+}
+
+int32_t
+marker_lookup (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, dict_t *xattr_req)
+{
+ int32_t ret = 0;
+ marker_local_t *local = NULL;
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ local = mem_get0 (this->local_pool);
+
+ MARKER_INIT_LOCAL (frame, local);
+
+ ret = loc_copy (&local->loc, loc);
+ if (ret == -1)
+ goto err;
+
+ if ((priv->feature_enabled & GF_QUOTA) && xattr_req)
+ mq_req_xattr (this, loc, xattr_req);
+wind:
+ STACK_WIND (frame, marker_lookup_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lookup, loc, xattr_req);
+ return 0;
+err:
+ STACK_UNWIND_STRICT (lookup, frame, -1, 0, NULL, NULL, NULL, NULL);
+
+ return 0;
+}
+
+int
+marker_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *entries,
+ dict_t *xdata)
+{
+ gf_dirent_t *entry = NULL;
+
+ if (op_ret <= 0)
+ goto unwind;
+
+ list_for_each_entry (entry, &entries->list, list) {
+ /* TODO: fill things */
+ }
+
+unwind:
+ STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata);
+
+ return 0;
+}
+
+int
+marker_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *dict)
+{
+ marker_conf_t *priv = NULL;
+
+ priv = this->private;
+
+ if (priv->feature_enabled == 0)
+ goto wind;
+
+ if ((priv->feature_enabled & GF_QUOTA) && dict)
+ mq_req_xattr (this, NULL, dict);
+
+wind:
+ STACK_WIND (frame, marker_readdirp_cbk,
+ FIRST_CHILD(this), FIRST_CHILD(this)->fops->readdirp,
+ fd, size, offset, dict);
+
+ return 0;
+}
+
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+ int ret = -1;
+
+ if (!this)
+ return ret;
+
+ ret = xlator_mem_acct_init (this, gf_marker_mt_end + 1);
+
+ if (ret != 0) {
+ gf_log(this->name, GF_LOG_ERROR, "Memory accounting init"
+ "failed");
+ return ret;
+ }
+
+ return ret;
+}
+
+
+int32_t
+init_xtime_priv (xlator_t *this, dict_t *options)
+{
+ data_t *data = NULL;
+ int32_t ret = -1;
+ marker_conf_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("marker", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, options, out);
+ GF_VALIDATE_OR_GOTO (this->name, this->private, out);
+
+ priv = this->private;
+
+ if((data = dict_get (options, VOLUME_UUID)) != NULL) {
+ priv->volume_uuid = data->data;
+
+ ret = uuid_parse (priv->volume_uuid, priv->volume_uuid_bin);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "invalid volume uuid %s", priv->volume_uuid);
+ goto out;
+ }
+
+ ret = gf_asprintf (& (priv->marker_xattr), "%s.%s.%s",
+ MARKER_XATTR_PREFIX, priv->volume_uuid,
+ XTIME);
+
+ if (ret == -1){
+ priv->marker_xattr = NULL;
+
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to allocate memory");
+ goto out;
+ }
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "the volume-uuid = %s", priv->volume_uuid);
+ } else {
+ priv->volume_uuid = NULL;
+
+ gf_log (this->name, GF_LOG_ERROR,
+ "please specify the volume-uuid"
+ "in the translator options");
+
+ return -1;
+ }
+
+ if ((data = dict_get (options, TIMESTAMP_FILE)) != NULL) {
+ priv->timestamp_file = data->data;
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "the timestamp-file is = %s",
+ priv->timestamp_file);
+
+ } else {
+ priv->timestamp_file = NULL;
+
+ gf_log (this->name, GF_LOG_ERROR,
+ "please specify the timestamp-file"
+ "in the translator options");
+
+ goto out;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
+void
+marker_xtime_priv_cleanup (xlator_t *this)
+{
+ marker_conf_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("marker", this, out);
+
+ priv = (marker_conf_t *) this->private;
+
+ GF_VALIDATE_OR_GOTO (this->name, priv, out);
+
+ GF_FREE (priv->volume_uuid);
+
+ GF_FREE (priv->timestamp_file);
+
+ GF_FREE (priv->marker_xattr);
+out:
+ return;
+}
+
+void
+marker_priv_cleanup (xlator_t *this)
+{
+ marker_conf_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("marker", this, out);
+
+ priv = (marker_conf_t *) this->private;
+
+ GF_VALIDATE_OR_GOTO (this->name, priv, out);
+
+ marker_xtime_priv_cleanup (this);
+
+ LOCK_DESTROY (&priv->lock);
+
+ GF_FREE (priv);
+out:
+ return;
+}
+
+int32_t
+reconfigure (xlator_t *this, dict_t *options)
+{
+ int32_t ret = 0;
+ data_t *data = NULL;
+ gf_boolean_t flag = _gf_false;
+ marker_conf_t *priv = NULL;
+
+ GF_ASSERT (this);
+ GF_ASSERT (this->private);
+
+ priv = this->private;
+
+ priv->feature_enabled = 0;
+
+ GF_VALIDATE_OR_GOTO (this->name, options, out);
+
+ data = dict_get (options, "quota");
+ if (data) {
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag == _gf_true) {
+ ret = init_quota_priv (this);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "failed to initialize quota private");
+ } else {
+ priv->feature_enabled |= GF_QUOTA;
+ }
+ }
+ }
+
+ data = dict_get (options, "xtime");
+ if (data) {
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag == _gf_true) {
+ marker_xtime_priv_cleanup (this);
+
+ ret = init_xtime_priv (this, options);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "failed to initialize xtime private, "
+ "xtime updation will fail");
+ } else {
+ priv->feature_enabled |= GF_XTIME;
+ data = dict_get (options, "gsync-force-xtime");
+ if (!data)
+ goto out;
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag)
+ priv->feature_enabled |= GF_XTIME_GSYNC_FORCE;
+ }
+ }
+ }
+out:
+ return ret;
+}
+
+
+int32_t
+init (xlator_t *this)
+{
+ dict_t *options = NULL;
+ data_t *data = NULL;
+ int32_t ret = 0;
+ gf_boolean_t flag = _gf_false;
+ marker_conf_t *priv = NULL;
+
+ if (!this->children) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "marker translator needs subvolume defined.");
+ return -1;
+ }
+
+ if (!this->parents) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "Volume is dangling.");
+ return -1;
+ }
+
+ options = this->options;
+
+ ALLOCATE_OR_GOTO (this->private, marker_conf_t, err);
+
+ priv = this->private;
+
+ priv->feature_enabled = 0;
+
+ LOCK_INIT (&priv->lock);
+
+ data = dict_get (options, "quota");
+ if (data) {
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag == _gf_true) {
+ ret = init_quota_priv (this);
+ if (ret < 0)
+ goto err;
+
+ priv->feature_enabled |= GF_QUOTA;
+ }
+ }
+
+ data = dict_get (options, "xtime");
+ if (data) {
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag == _gf_true) {
+ ret = init_xtime_priv (this, options);
+ if (ret < 0)
+ goto err;
+
+ priv->feature_enabled |= GF_XTIME;
+ data = dict_get (options, "gsync-force-xtime");
+ if (!data)
+ goto cont;
+ ret = gf_string2boolean (data->data, &flag);
+ if (ret == 0 && flag)
+ priv->feature_enabled |= GF_XTIME_GSYNC_FORCE;
+ }
+ }
+
+ cont:
+ this->local_pool = mem_pool_new (marker_local_t, 128);
+ if (!this->local_pool) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to create local_t's memory pool");
+ goto err;
+ }
+
+ return 0;
+err:
+ marker_priv_cleanup (this);
+
+ return -1;
+}
+
+int32_t
+marker_forget (xlator_t *this, inode_t *inode)
+{
+ marker_inode_ctx_t *ctx = NULL;
+ uint64_t value = 0;
+
+ if (inode_ctx_del (inode, this, &value) != 0)
+ goto out;
+
+ ctx = (marker_inode_ctx_t *)(unsigned long)value;
+ if (ctx == NULL) {
+ goto out;
+ }
+
+ mq_forget (this, ctx->quota_ctx);
+
+ GF_FREE (ctx);
+out:
+ return 0;
+}
+
+void
+fini (xlator_t *this)
+{
+ marker_priv_cleanup (this);
+}
+
+struct xlator_fops fops = {
+ .lookup = marker_lookup,
+ .create = marker_create,
+ .mkdir = marker_mkdir,
+ .writev = marker_writev,
+ .truncate = marker_truncate,
+ .ftruncate = marker_ftruncate,
+ .symlink = marker_symlink,
+ .link = marker_link,
+ .unlink = marker_unlink,
+ .rmdir = marker_rmdir,
+ .rename = marker_rename,
+ .mknod = marker_mknod,
+ .setxattr = marker_setxattr,
+ .fsetxattr = marker_fsetxattr,
+ .setattr = marker_setattr,
+ .fsetattr = marker_fsetattr,
+ .removexattr = marker_removexattr,
+ .getxattr = marker_getxattr,
+ .readdirp = marker_readdirp,
+ .fallocate = marker_fallocate,
+ .discard = marker_discard,
+ .zerofill = marker_zerofill,
+};
+
+struct xlator_cbks cbks = {
+ .forget = marker_forget
+};
+
+struct volume_options options[] = {
+ {.key = {"volume-uuid"}},
+ {.key = {"timestamp-file"}},
+ {.key = {"quota"}},
+ {.key = {"xtime"}},
+ {.key = {"gsync-force-xtime"}},
+ {.key = {NULL}}
+};