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-rw-r--r--xlators/cluster/afr/src/afr-self-heal-entry.c224
1 files changed, 68 insertions, 156 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 719221175..bf53fdb67 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -49,7 +49,8 @@
#include "afr-self-heal.h"
#include "afr-self-heal-common.h"
-
+int
+afr_sh_post_nonblocking_entrylk_cbk (call_frame_t *frame, xlator_t *this);
int
afr_sh_entry_done (call_frame_t *frame, xlator_t *this)
@@ -57,7 +58,6 @@ afr_sh_entry_done (call_frame_t *frame, xlator_t *this)
afr_local_t *local = NULL;
afr_self_heal_t *sh = NULL;
afr_private_t *priv = NULL;
- int i = 0;
local = frame->local;
sh = &local->self_heal;
@@ -71,9 +71,9 @@ afr_sh_entry_done (call_frame_t *frame, xlator_t *this)
fd_unref (sh->healing_fd);
sh->healing_fd = NULL;
- for (i = 0; i < priv->child_count; i++) {
- sh->locked_nodes[i] = 0;
- }
+/* for (i = 0; i < priv->child_count; i++) { */
+/* sh->locked_nodes[i] = 0; */
+/* } */
gf_log (this->name, GF_LOG_TRACE,
"self heal of %s completed",
@@ -86,90 +86,18 @@ afr_sh_entry_done (call_frame_t *frame, xlator_t *this)
int
-afr_sh_entry_unlck_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
-{
- afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
- int call_count = 0;
- int child_index = (long) cookie;
-
- /* TODO: what if lock fails? */
-
- local = frame->local;
- sh = &local->self_heal;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- gf_log (this->name, GF_LOG_DEBUG,
- "unlocking inode of %s on child %d failed: %s",
- local->loc.path, child_index,
- strerror (op_errno));
- } else {
- gf_log (this->name, GF_LOG_TRACE,
- "unlocked inode of %s on child %d",
- local->loc.path, child_index);
- }
- }
- UNLOCK (&frame->lock);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- afr_sh_entry_done (frame, this);
- }
-
- return 0;
-}
-
-
-int
afr_sh_entry_unlock (call_frame_t *frame, xlator_t *this)
{
- int i = 0;
- int call_count = 0;
-
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- afr_self_heal_t * sh = NULL;
-
-
- local = frame->local;
- sh = &local->self_heal;
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (sh->locked_nodes[i])
- call_count++;
- }
-
- if (call_count == 0) {
- afr_sh_entry_done (frame, this);
- return 0;
- }
+ afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
- local->call_count = call_count;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- for (i = 0; i < priv->child_count; i++) {
- if (sh->locked_nodes[i]) {
- gf_log (this->name, GF_LOG_TRACE,
- "unlocking %s on subvolume %s",
- local->loc.path, priv->children[i]->name);
+ int_lock->lock_cbk = afr_sh_entry_done;
+ afr_unlock (frame, this);
- STACK_WIND_COOKIE (frame, afr_sh_entry_unlck_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->entrylk,
- this->name,
- &local->loc, NULL,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK);
- if (!--call_count)
- break;
- }
- }
-
- return 0;
+ return 0;
}
@@ -376,8 +304,8 @@ build_child_loc (xlator_t *this, loc_t *child, loc_t *parent, char *name)
if (strcmp (parent->path, "/") == 0)
ret = gf_asprintf ((char **)&child->path, "/%s", name);
else
- ret = gf_asprintf ((char **)&child->path, "%s/%s",
- parent->path, name);
+ ret = gf_asprintf ((char **)&child->path, "%s/%s", parent->path,
+ name);
if (-1 == ret) {
gf_log (this->name, GF_LOG_ERROR,
@@ -546,8 +474,8 @@ make_trash_path (const char *path)
char *c = NULL;
char *tp = NULL;
- tp = GF_CALLOC (strlen ("/" GF_REPLICATE_TRASH_DIR) + strlen (path) + 1,
- sizeof (char), gf_afr_mt_char);
+ tp = GF_CALLOC (strlen ("/" GF_REPLICATE_TRASH_DIR) + strlen (path) + 1, sizeof (char),
+ gf_afr_mt_char);
strcpy (tp, GF_REPLICATE_TRASH_DIR);
strcat (tp, path);
@@ -1338,7 +1266,8 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
parentbuf = impunge_sh->parentbuf;
setattr_frame = copy_frame (impunge_frame);
- parent_loc = GF_CALLOC (1, sizeof (*parent_loc), gf_afr_mt_loc_t);
+ parent_loc = GF_CALLOC (1, sizeof (*parent_loc),
+ gf_afr_mt_loc_t);
afr_build_parent_loc (parent_loc, &impunge_local->loc);
STACK_WIND_COOKIE (impunge_frame, afr_sh_entry_impunge_xattrop_cbk,
@@ -2437,93 +2366,76 @@ afr_sh_entry_lookup (call_frame_t *frame, xlator_t *this)
return 0;
}
-
-
int
-afr_sh_entry_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
+afr_sh_post_blocking_entry_cbk (call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
- int call_count = 0;
- int child_index = (long) cookie;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
- /* TODO: what if lock fails? */
-
- local = frame->local;
- sh = &local->self_heal;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- sh->op_failed = 1;
+ if (int_lock->lock_op_ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Blocking entrylks failed.");
+ afr_sh_entry_done (frame, this);
+ } else {
- sh->locked_nodes[child_index] = 0;
- gf_log (this->name, GF_LOG_DEBUG,
- "locking inode of %s on child %d failed: %s",
- local->loc.path, child_index,
- strerror (op_errno));
- } else {
- sh->locked_nodes[child_index] = 1;
- gf_log (this->name, GF_LOG_TRACE,
- "inode of %s on child %d locked",
- local->loc.path, child_index);
- }
- }
- UNLOCK (&frame->lock);
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Blocking entrylks done. Proceeding to FOP");
+ afr_sh_entry_lookup(frame, this);
+ }
- call_count = afr_frame_return (frame);
+ return 0;
+}
- if (call_count == 0) {
- if (sh->op_failed == 1) {
- afr_sh_entry_finish (frame, this);
- return 0;
- }
+int
+afr_sh_post_nonblocking_entry_cbk (call_frame_t *frame, xlator_t *this)
+{
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
- afr_sh_entry_lookup (frame, this);
- }
+ local = frame->local;
+ int_lock = &local->internal_lock;
- return 0;
-}
+ /* Initiate blocking locks if non-blocking has failed */
+ if (int_lock->lock_op_ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Non blocking entrylks failed. Proceeding to blocking");
+ int_lock->lock_cbk = afr_sh_post_blocking_entry_cbk;
+ afr_blocking_lock (frame, this);
+ } else {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Non blocking entrylks done. Proceeding to FOP");
+ afr_sh_entry_lookup(frame, this);
+ }
+
+ return 0;
+}
int
afr_sh_entry_lock (call_frame_t *frame, xlator_t *this)
{
- int i = 0;
- int call_count = 0;
-
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- afr_self_heal_t * sh = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ sh = &local->self_heal;
- local = frame->local;
- sh = &local->self_heal;
- priv = this->private;
+ int_lock->transaction_lk_type = AFR_SELFHEAL_LK;
+ int_lock->selfheal_lk_type = AFR_ENTRY_SELF_HEAL_LK;
- call_count = afr_up_children_count (priv->child_count,
- local->child_up);
+ afr_set_lock_number (frame, this);
- local->call_count = call_count;
+ int_lock->lk_basename = NULL;
+ int_lock->lk_loc = &local->loc;
+ int_lock->lock_cbk = afr_sh_post_nonblocking_entry_cbk;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- gf_log (this->name, GF_LOG_TRACE,
- "locking %s on subvolume %s",
- local->loc.path, priv->children[i]->name);
+ afr_nonblocking_entrylk (frame, this);
- STACK_WIND_COOKIE (frame, afr_sh_entry_lock_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->entrylk,
- this->name,
- &local->loc, NULL,
- ENTRYLK_LOCK_NB, ENTRYLK_WRLCK);
- if (!--call_count)
- break;
- }
- }
return 0;
}