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Diffstat (limited to 'xlators/features/changelog/src/changelog.c')
-rw-r--r--xlators/features/changelog/src/changelog.c335
1 files changed, 308 insertions, 27 deletions
diff --git a/xlators/features/changelog/src/changelog.c b/xlators/features/changelog/src/changelog.c
index bbf05ba48c1..36643395815 100644
--- a/xlators/features/changelog/src/changelog.c
+++ b/xlators/features/changelog/src/changelog.c
@@ -417,13 +417,37 @@ changelog_link_cbk (call_frame_t *frame,
}
int32_t
+changelog_link_resume (call_frame_t *frame, xlator_t *this,
+ loc_t *oldloc, loc_t *newloc, dict_t *xdata)
+{
+ changelog_priv_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("changelog", this, out);
+ GF_VALIDATE_OR_GOTO ("changelog", this->fops, out);
+ GF_VALIDATE_OR_GOTO ("changelog", frame, out);
+
+ priv = this->private;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Dequeuing link");
+ changelog_color_fop_and_inc_cnt (this, priv, frame->local);
+ STACK_WIND (frame, changelog_link_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->link,
+ oldloc, newloc, xdata);
+ return 0;
+out:
+ return -1;
+}
+int32_t
changelog_link (call_frame_t *frame,
xlator_t *this, loc_t *oldloc,
loc_t *newloc, dict_t *xdata)
{
- size_t xtra_len = 0;
- changelog_priv_t *priv = NULL;
- changelog_opt_t *co = NULL;
+ size_t xtra_len = 0;
+ changelog_priv_t *priv = NULL;
+ changelog_opt_t *co = NULL;
+ call_stub_t *stub = NULL;
+ struct list_head queue = {0, };
+ gf_boolean_t barrier_enabled = _gf_false;
priv = this->private;
@@ -444,11 +468,40 @@ changelog_link (call_frame_t *frame,
changelog_set_usable_record_and_length (frame->local, xtra_len, 2);
+ LOCK (&priv->lock);
+ {
+ if ((barrier_enabled = priv->barrier_enabled)) {
+ stub = fop_link_stub (frame, changelog_link_resume,
+ oldloc, newloc, xdata);
+ if (!stub)
+ __chlog_barrier_disable (this, &queue);
+ else
+ __chlog_barrier_enqueue (this, stub);
+ } else {
+ ((changelog_local_t *)frame->local)->color
+ = priv->current_color;
+ changelog_inc_fop_cnt (this, priv, frame->local);
+ }
+ }
+ UNLOCK (&priv->lock);
+
+ if (barrier_enabled && stub) {
+ gf_log (this->name, GF_LOG_DEBUG, "Enqueued link");
+ goto out;
+ }
+
+ if (barrier_enabled && !stub) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to barrier FOPs, disabling changelog barrier "
+ "FOP: link, ERROR: %s", strerror (ENOMEM));
+ chlog_barrier_dequeue_all (this, &queue);
+ }
wind:
changelog_color_fop_and_inc_cnt (this, priv, frame->local);
STACK_WIND (frame, changelog_link_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->link,
oldloc, newloc, xdata);
+out:
return 0;
}
@@ -479,15 +532,41 @@ changelog_mkdir_cbk (call_frame_t *frame,
}
int32_t
+changelog_mkdir_resume (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
+{
+ changelog_priv_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("changelog", this, out);
+ GF_VALIDATE_OR_GOTO ("changelog", this->fops, out);
+ GF_VALIDATE_OR_GOTO ("changelog", frame, out);
+
+ priv = this->private;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Dequeuing mkdir");
+ changelog_color_fop_and_inc_cnt (this, priv, frame->local);
+ STACK_WIND (frame, changelog_mkdir_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->mkdir,
+ loc, mode, umask, xdata);
+ return 0;
+out:
+ return -1;
+}
+
+int32_t
changelog_mkdir (call_frame_t *frame, xlator_t *this,
loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata)
{
- int ret = -1;
- uuid_t gfid = {0,};
- void *uuid_req = NULL;
- size_t xtra_len = 0;
- changelog_priv_t *priv = NULL;
- changelog_opt_t *co = NULL;
+ int ret = -1;
+ uuid_t gfid = {0,};
+ void *uuid_req = NULL;
+ size_t xtra_len = 0;
+ changelog_priv_t *priv = NULL;
+ changelog_opt_t *co = NULL;
+ call_stub_t *stub = NULL;
+ struct list_head queue = {0, };
+ gf_boolean_t barrier_enabled = _gf_false;
priv = this->private;
CHANGELOG_NOT_ACTIVE_THEN_GOTO (frame, priv, wind);
@@ -523,11 +602,41 @@ changelog_mkdir (call_frame_t *frame, xlator_t *this,
changelog_set_usable_record_and_length (frame->local, xtra_len, 5);
+ LOCK (&priv->lock);
+ {
+ if ((barrier_enabled = priv->barrier_enabled)) {
+ stub = fop_mkdir_stub (frame, changelog_mkdir_resume,
+ loc, mode, umask, xdata);
+ if (!stub)
+ __chlog_barrier_disable (this, &queue);
+ else
+ __chlog_barrier_enqueue (this, stub);
+ } else {
+ ((changelog_local_t *)frame->local)->color
+ = priv->current_color;
+ changelog_inc_fop_cnt (this, priv, frame->local);
+ }
+ }
+ UNLOCK (&priv->lock);
+
+ if (barrier_enabled && stub) {
+ gf_log (this->name, GF_LOG_DEBUG, "Enqueued mkdir");
+ goto out;
+ }
+
+ if (barrier_enabled && !stub) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to barrier FOPs, disabling changelog barrier "
+ "FOP: mkdir, ERROR: %s", strerror (ENOMEM));
+ chlog_barrier_dequeue_all (this, &queue);
+ }
+
wind:
changelog_color_fop_and_inc_cnt (this, priv, frame->local);
STACK_WIND (frame, changelog_mkdir_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->mkdir,
loc, mode, umask, xdata);
+out:
return 0;
}
@@ -557,17 +666,44 @@ changelog_symlink_cbk (call_frame_t *frame,
return 0;
}
+
+int32_t
+changelog_symlink_resume (call_frame_t *frame, xlator_t *this,
+ const char *linkname, loc_t *loc,
+ mode_t umask, dict_t *xdata)
+{
+ changelog_priv_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("changelog", this, out);
+ GF_VALIDATE_OR_GOTO ("changelog", this->fops, out);
+ GF_VALIDATE_OR_GOTO ("changelog", frame, out);
+
+ priv = this->private;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Dequeuing symlink");
+ changelog_color_fop_and_inc_cnt (this, priv, frame->local);
+ STACK_WIND (frame, changelog_symlink_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->symlink,
+ linkname, loc, umask, xdata);
+ return 0;
+out:
+ return -1;
+}
+
int32_t
changelog_symlink (call_frame_t *frame, xlator_t *this,
const char *linkname, loc_t *loc,
mode_t umask, dict_t *xdata)
{
- int ret = -1;
- size_t xtra_len = 0;
- uuid_t gfid = {0,};
- void *uuid_req = NULL;
- changelog_priv_t *priv = NULL;
- changelog_opt_t *co = NULL;
+ int ret = -1;
+ size_t xtra_len = 0;
+ uuid_t gfid = {0,};
+ void *uuid_req = NULL;
+ changelog_priv_t *priv = NULL;
+ changelog_opt_t *co = NULL;
+ call_stub_t *stub = NULL;
+ struct list_head queue = {0, };
+ gf_boolean_t barrier_enabled = _gf_false;
priv = this->private;
CHANGELOG_NOT_ACTIVE_THEN_GOTO (frame, priv, wind);
@@ -594,11 +730,42 @@ changelog_symlink (call_frame_t *frame, xlator_t *this,
changelog_set_usable_record_and_length (frame->local, xtra_len, 2);
+ LOCK (&priv->lock);
+ {
+ if ((barrier_enabled = priv->barrier_enabled)) {
+ stub = fop_symlink_stub (frame,
+ changelog_symlink_resume,
+ linkname, loc, umask, xdata);
+ if (!stub)
+ __chlog_barrier_disable (this, &queue);
+ else
+ __chlog_barrier_enqueue (this, stub);
+ } else {
+ ((changelog_local_t *)frame->local)->color
+ = priv->current_color;
+ changelog_inc_fop_cnt (this, priv, frame->local);
+ }
+ }
+ UNLOCK (&priv->lock);
+
+ if (barrier_enabled && stub) {
+ gf_log (this->name, GF_LOG_DEBUG, "Enqueued symlink");
+ goto out;
+ }
+
+ if (barrier_enabled && !stub) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to barrier FOPs, disabling changelog barrier "
+ "FOP: symlink, ERROR: %s", strerror (ENOMEM));
+ chlog_barrier_dequeue_all (this, &queue);
+ }
+
wind:
changelog_color_fop_and_inc_cnt (this, priv, frame->local);
STACK_WIND (frame, changelog_symlink_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->symlink,
linkname, loc, umask, xdata);
+out:
return 0;
}
@@ -629,16 +796,42 @@ changelog_mknod_cbk (call_frame_t *frame,
}
int32_t
+changelog_mknod_resume (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode, dev_t rdev,
+ mode_t umask, dict_t *xdata)
+{
+ changelog_priv_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("changelog", this, out);
+ GF_VALIDATE_OR_GOTO ("changelog", this->fops, out);
+ GF_VALIDATE_OR_GOTO ("changelog", frame, out);
+
+ priv = this->private;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Dequeuing mknod");
+ changelog_color_fop_and_inc_cnt (this, priv, frame->local);
+ STACK_WIND (frame, changelog_mknod_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->mknod,
+ loc, mode, rdev, umask, xdata);
+ return 0;
+out:
+ return -1;
+}
+
+int32_t
changelog_mknod (call_frame_t *frame,
xlator_t *this, loc_t *loc,
mode_t mode, dev_t dev, mode_t umask, dict_t *xdata)
{
- int ret = -1;
- uuid_t gfid = {0,};
- void *uuid_req = NULL;
- size_t xtra_len = 0;
- changelog_priv_t *priv = NULL;
- changelog_opt_t *co = NULL;
+ int ret = -1;
+ uuid_t gfid = {0,};
+ void *uuid_req = NULL;
+ size_t xtra_len = 0;
+ changelog_priv_t *priv = NULL;
+ changelog_opt_t *co = NULL;
+ call_stub_t *stub = NULL;
+ struct list_head queue = {0, };
+ gf_boolean_t barrier_enabled = _gf_false;
priv = this->private;
CHANGELOG_NOT_ACTIVE_THEN_GOTO (frame, priv, wind);
@@ -675,11 +868,41 @@ changelog_mknod (call_frame_t *frame,
changelog_set_usable_record_and_length (frame->local, xtra_len, 5);
+ LOCK (&priv->lock);
+ {
+ if ((barrier_enabled = priv->barrier_enabled)) {
+ stub = fop_mknod_stub (frame, changelog_mknod_resume,
+ loc, mode, dev, umask, xdata);
+ if (!stub)
+ __chlog_barrier_disable (this, &queue);
+ else
+ __chlog_barrier_enqueue (this, stub);
+ } else {
+ ((changelog_local_t *)frame->local)->color
+ = priv->current_color;
+ changelog_inc_fop_cnt (this, priv, frame->local);
+ }
+ }
+ UNLOCK (&priv->lock);
+
+ if (barrier_enabled && stub) {
+ gf_log (this->name, GF_LOG_DEBUG, "Enqueued mknod");
+ goto out;
+ }
+
+ if (barrier_enabled && !stub) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to barrier FOPs, disabling changelog barrier "
+ "FOP: mknod, ERROR: %s", strerror (ENOMEM));
+ chlog_barrier_dequeue_all (this, &queue);
+ }
+
wind:
changelog_color_fop_and_inc_cnt (this, priv, frame->local);
STACK_WIND (frame, changelog_mknod_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->mknod,
loc, mode, dev, umask, xdata);
+out:
return 0;
}
@@ -712,16 +935,43 @@ changelog_create_cbk (call_frame_t *frame,
}
int32_t
+changelog_create_resume (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)
+{
+ changelog_priv_t *priv = NULL;
+
+ GF_VALIDATE_OR_GOTO ("changelog", this, out);
+ GF_VALIDATE_OR_GOTO ("changelog", this->fops, out);
+ GF_VALIDATE_OR_GOTO ("changelog", frame, out);
+
+ priv = this->private;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Dequeuing create");
+ changelog_color_fop_and_inc_cnt (this, priv, frame->local);
+ STACK_WIND (frame, changelog_create_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->create,
+ loc, flags, mode, umask, fd, xdata);
+ return 0;
+
+out:
+ return -1;
+}
+
+int32_t
changelog_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)
{
- int ret = -1;
- uuid_t gfid = {0,};
- void *uuid_req = NULL;
- changelog_opt_t *co = NULL;
- changelog_priv_t *priv = NULL;
- size_t xtra_len = 0;
+ int ret = -1;
+ uuid_t gfid = {0,};
+ void *uuid_req = NULL;
+ changelog_opt_t *co = NULL;
+ changelog_priv_t *priv = NULL;
+ size_t xtra_len = 0;
+ call_stub_t *stub = NULL;
+ struct list_head queue = {0, };
+ gf_boolean_t barrier_enabled = _gf_false;
priv = this->private;
CHANGELOG_NOT_ACTIVE_THEN_GOTO (frame, priv, wind);
@@ -760,11 +1010,42 @@ changelog_create (call_frame_t *frame, xlator_t *this,
changelog_set_usable_record_and_length (frame->local, xtra_len, 5);
+ LOCK (&priv->lock);
+ {
+ if ((barrier_enabled = priv->barrier_enabled)) {
+ stub = fop_create_stub (frame, changelog_create_resume,
+ loc, flags, mode, umask, fd,
+ xdata);
+ if (!stub)
+ __chlog_barrier_disable (this, &queue);
+ else
+ __chlog_barrier_enqueue (this, stub);
+ } else {
+ ((changelog_local_t *)frame->local)->color
+ = priv->current_color;
+ changelog_inc_fop_cnt (this, priv, frame->local);
+ }
+ }
+ UNLOCK (&priv->lock);
+
+ if (barrier_enabled && stub) {
+ gf_log (this->name, GF_LOG_DEBUG, "Enqueued create");
+ goto out;
+ }
+
+ if (barrier_enabled && !stub) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to barrier FOPs, disabling changelog barrier "
+ "FOP: create, ERROR: %s", strerror (ENOMEM));
+ chlog_barrier_dequeue_all (this, &queue);
+ }
+
wind:
changelog_color_fop_and_inc_cnt (this, priv, frame->local);
STACK_WIND (frame, changelog_create_cbk,
FIRST_CHILD (this), FIRST_CHILD (this)->fops->create,
loc, flags, mode, umask, fd, xdata);
+out:
return 0;
}