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Diffstat (limited to 'xlators/cluster/afr/src/afr-transaction.c')
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c130
1 files changed, 47 insertions, 83 deletions
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index 795fec255d3..8ec634fd4bb 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -215,39 +215,7 @@ __changelog_enabled (afr_private_t *priv, afr_transaction_type type)
static int
-__changelog_needed_pre_op (call_frame_t *frame, xlator_t *this)
-{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
-
- int op_ret = 0;
-
- priv = this->private;
- local = frame->local;
-
- if (__changelog_enabled (priv, local->transaction.type)) {
- switch (local->op) {
-
- case GF_FOP_WRITE:
- case GF_FOP_FTRUNCATE:
- op_ret = 1;
- break;
-
- case GF_FOP_FLUSH:
- op_ret = 0;
- break;
-
- default:
- op_ret = 1;
- }
- }
-
- return op_ret;
-}
-
-
-static int
-__changelog_needed_post_op (call_frame_t *frame, xlator_t *this)
+__fop_changelog_needed (call_frame_t *frame, xlator_t *this)
{
afr_private_t * priv = NULL;
afr_local_t * local = NULL;
@@ -461,33 +429,43 @@ out:
return;
}
-int
-afr_fxattrop_call_count (afr_transaction_type type, afr_internal_lock_t *int_lock,
- unsigned int child_count)
+unsigned char*
+afr_locked_nodes_get (afr_transaction_type type, afr_internal_lock_t *int_lock)
{
- int call_count = 0;
-
+ unsigned char *locked_nodes = NULL;
switch (type) {
case AFR_DATA_TRANSACTION:
case AFR_METADATA_TRANSACTION:
- call_count = afr_locked_children_count (int_lock->inode_locked_nodes,
- child_count);
+ locked_nodes = int_lock->inode_locked_nodes;
break;
case AFR_ENTRY_TRANSACTION:
case AFR_ENTRY_RENAME_TRANSACTION:
- call_count = afr_locked_children_count (int_lock->entry_locked_nodes,
- child_count);
+ locked_nodes = int_lock->entry_locked_nodes;
break;
}
+ return locked_nodes;
+}
+
+int
+afr_changelog_pre_op_call_count (afr_transaction_type type,
+ afr_internal_lock_t *int_lock,
+ unsigned int child_count)
+{
+ int call_count = 0;
+ unsigned char *locked_nodes = NULL;
+
+ locked_nodes = afr_locked_nodes_get (type, int_lock);
+ GF_ASSERT (locked_nodes);
+ call_count = afr_locked_children_count (locked_nodes, child_count);
if (type == AFR_ENTRY_RENAME_TRANSACTION) {
call_count *= 2;
}
+
return call_count;
}
-
int
afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
{
@@ -518,12 +496,11 @@ afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
xattr = alloca (priv->child_count * sizeof (*xattr));
memset (xattr, 0, (priv->child_count * sizeof (*xattr)));
for (i = 0; i < priv->child_count; i++) {
- xattr[i] = get_new_dict ();
- dict_ref (xattr[i]);
+ xattr[i] = dict_new ();
}
- call_count = afr_fxattrop_call_count (local->transaction.type, int_lock,
- priv->child_count);
+ call_count = afr_pre_op_done_children_count (local->transaction.pre_op,
+ priv->child_count);
local->call_count = call_count;
if (local->fd)
@@ -531,13 +508,9 @@ afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
if (call_count == 0) {
/* no child is up */
- for (i = 0; i < priv->child_count; i++) {
- dict_unref (xattr[i]);
- }
-
int_lock->lock_cbk = local->transaction.done;
afr_unlock (frame, this);
- return 0;
+ goto out;
}
/* check if something has failed, to handle piggybacking */
@@ -559,11 +532,8 @@ afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
}
for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
- continue;
- if (local->fd && !local->fd_open_on[i])
+ if (!local->transaction.pre_op[i])
continue;
-
ret = afr_set_pending_dict (priv, xattr[i],
local->pending);
@@ -698,6 +668,7 @@ afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
break;
}
+out:
for (i = 0; i < priv->child_count; i++) {
dict_unref (xattr[i]);
}
@@ -719,17 +690,15 @@ afr_changelog_pre_op_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
LOCK (&frame->lock);
{
- if (op_ret == 1) {
- /* special op_ret for piggyback */
- }
-
- if (op_ret == 0) {
+ switch (op_ret) {
+ case 0:
__mark_pre_op_done_on_fd (frame, this, child_index);
- }
-
- if (op_ret == -1) {
- local->child_up[child_index] = 0;
-
+ //fallthrough we need to mark the pre_op
+ case 1:
+ local->transaction.pre_op[child_index] = 1;
+ /* special op_ret for piggyback */
+ break;
+ case -1:
if (op_errno == ENOTSUP) {
gf_log (this->name, GF_LOG_ERROR,
"xattrop not supported by %s",
@@ -743,6 +712,7 @@ afr_changelog_pre_op_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
strerror (op_errno));
}
local->op_errno = op_errno;
+ break;
}
call_count = --local->call_count;
@@ -778,6 +748,7 @@ afr_changelog_pre_op (call_frame_t *frame, xlator_t *this)
afr_local_t *local = NULL;
int piggyback = 0;
afr_internal_lock_t *int_lock = NULL;
+ unsigned char *locked_nodes = NULL;
local = frame->local;
int_lock = &local->internal_lock;
@@ -786,22 +757,17 @@ afr_changelog_pre_op (call_frame_t *frame, xlator_t *this)
memset (xattr, 0, (priv->child_count * sizeof (*xattr)));
for (i = 0; i < priv->child_count; i++) {
- xattr[i] = get_new_dict ();
- dict_ref (xattr[i]);
+ xattr[i] = dict_new ();
}
- call_count = afr_fxattrop_call_count (local->transaction.type, int_lock,
- priv->child_count);
+ call_count = afr_changelog_pre_op_call_count (local->transaction.type,
+ int_lock,
+ priv->child_count);
if (call_count == 0) {
- /* no child is up */
- for (i = 0; i < priv->child_count; i++) {
- dict_unref (xattr[i]);
- }
-
local->internal_lock.lock_cbk =
local->transaction.done;
afr_unlock (frame, this);
- return 0;
+ goto out;
}
local->call_count = call_count;
@@ -812,12 +778,10 @@ afr_changelog_pre_op (call_frame_t *frame, xlator_t *this)
if (local->fd)
fdctx = afr_fd_ctx_get (local->fd, this);
+ locked_nodes = afr_locked_nodes_get (local->transaction.type, int_lock);
for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
- continue;
- if (local->fd && !local->fd_open_on[i])
+ if (!locked_nodes[i])
continue;
-
ret = afr_set_pending_dict (priv, xattr[i],
local->pending);
@@ -960,7 +924,7 @@ afr_changelog_pre_op (call_frame_t *frame, xlator_t *this)
if (!--call_count)
break;
}
-
+out:
for (i = 0; i < priv->child_count; i++) {
dict_unref (xattr[i]);
}
@@ -1193,7 +1157,7 @@ afr_internal_lock_finish (call_frame_t *frame, xlator_t *this)
priv = this->private;
local = frame->local;
- if (__changelog_needed_pre_op (frame, this)) {
+ if (__fop_changelog_needed (frame, this)) {
afr_changelog_pre_op (frame, this);
} else {
__mark_all_success (local->pending, priv->child_count,
@@ -1219,7 +1183,7 @@ afr_transaction_resume (call_frame_t *frame, xlator_t *this)
int_lock = &local->internal_lock;
priv = this->private;
- if (__changelog_needed_post_op (frame, this)) {
+ if (__fop_changelog_needed (frame, this)) {
afr_changelog_post_op (frame, this);
} else {
if (afr_lock_server_count (priv, local->transaction.type) == 0) {
generated by cgit (git 2.34.1) at 2024-11-05 19:04:34 +0000