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authorlinbaiye <linbaiye@gmail.com>2012-09-28 18:56:26 +0800
committerAnand Avati <avati@redhat.com>2012-10-11 20:59:45 -0700
commit5459e74ef28bd08e48f95c2732f04144fdbbee56 (patch)
treee4dd506813c344e59adf47765d2376cbd9d8df9e /xlators/cluster/afr
parent7413b50220779d185efdb1d259c379a119a30a77 (diff)
Preventing client crashing as the callings of GF_CALLOC has been failed.
As the callings of GF_CALLOC can seldom come to a failure, glusterfs client will crash due to segment fault. We should have returned once the variables of transaction's local can't be alloced. Change-Id: Ia3798b8349d832b23c7825e64dbad93ebe29cd1b BUG: 861335 Signed-off-by: linbaiye <linbaiye@gmail.com> Reviewed-on: http://review.gluster.org/4005 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster/afr')
-rw-r--r--xlators/cluster/afr/src/afr-common.c7
-rw-r--r--xlators/cluster/afr/src/afr-dir-write.c48
-rw-r--r--xlators/cluster/afr/src/afr-inode-write.c60
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c23
4 files changed, 107 insertions, 31 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 4130adc6f17..21272c0d728 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -2618,8 +2618,11 @@ afr_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
op_errno = -ret;
goto out;
}
- afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
-
+ ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
diff --git a/xlators/cluster/afr/src/afr-dir-write.c b/xlators/cluster/afr/src/afr-dir-write.c
index 3041035416f..49cf8d45315 100644
--- a/xlators/cluster/afr/src/afr-dir-write.c
+++ b/xlators/cluster/afr/src/afr-dir-write.c
@@ -350,7 +350,11 @@ afr_create (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -538,7 +542,11 @@ afr_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -727,7 +735,11 @@ afr_mkdir (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -912,7 +924,11 @@ afr_link (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (newloc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1102,7 +1118,11 @@ afr_symlink (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1295,7 +1315,11 @@ afr_rename (call_frame_t *frame, xlator_t *this,
local->transaction.basename = AFR_BASENAME (oldloc->path);
local->transaction.new_basename = AFR_BASENAME (newloc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_RENAME_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_RENAME_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1473,7 +1497,11 @@ afr_unlink (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1657,7 +1685,11 @@ afr_rmdir (call_frame_t *frame, xlator_t *this,
local->transaction.main_frame = frame;
local->transaction.basename = AFR_BASENAME (loc->path);
- afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
diff --git a/xlators/cluster/afr/src/afr-inode-write.c b/xlators/cluster/afr/src/afr-inode-write.c
index 148a939ca83..4c550297292 100644
--- a/xlators/cluster/afr/src/afr-inode-write.c
+++ b/xlators/cluster/afr/src/afr-inode-write.c
@@ -217,11 +217,15 @@ afr_do_writev (call_frame_t *frame, xlator_t *this)
local->cont.writev.count);
}
- afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ op_ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (op_ret < 0) {
+ op_errno = -op_ret;
+ goto out;
+ }
op_ret = 0;
out:
- if (op_ret == -1) {
+ if (op_ret < 0) {
if (transaction_frame)
AFR_STACK_DESTROY (transaction_frame);
AFR_STACK_UNWIND (writev, frame, op_ret, op_errno, NULL, NULL, NULL);
@@ -676,7 +680,11 @@ afr_truncate (call_frame_t *frame, xlator_t *this,
local->transaction.start = offset;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -868,11 +876,15 @@ afr_do_ftruncate (call_frame_t *frame, xlator_t *this)
local->transaction.start = local->cont.ftruncate.offset;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ op_ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (op_ret < 0) {
+ op_errno = -op_ret;
+ goto out;
+ }
op_ret = 0;
out:
- if (op_ret == -1) {
+ if (op_ret < 0) {
if (transaction_frame)
AFR_STACK_DESTROY (transaction_frame);
AFR_STACK_UNWIND (ftruncate, frame, op_ret, op_errno, NULL,
@@ -1124,7 +1136,11 @@ afr_setattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1334,7 +1350,11 @@ afr_fsetattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1521,7 +1541,11 @@ afr_setxattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1712,7 +1736,11 @@ afr_fsetxattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -1902,7 +1930,11 @@ afr_removexattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
ret = 0;
out:
@@ -2091,11 +2123,15 @@ afr_fremovexattr (call_frame_t *frame, xlator_t *this,
local->transaction.start = LLONG_MAX - 1;
local->transaction.len = 0;
- afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ op_ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (op_ret < 0) {
+ op_errno = -op_ret;
+ goto out;
+ }
op_ret = 0;
out:
- if (op_ret == -1) {
+ if (op_ret < 0) {
if (transaction_frame)
AFR_STACK_DESTROY (transaction_frame);
AFR_STACK_UNWIND (fremovexattr, frame, op_ret, op_errno, NULL);
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index be4a914d4a6..265d93b6189 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -1452,21 +1452,25 @@ afr_transaction (call_frame_t *frame, xlator_t *this, afr_transaction_type type)
afr_local_t * local = NULL;
afr_private_t * priv = NULL;
fd_t *fd = NULL;
+ int ret = -1;
local = frame->local;
priv = this->private;
- afr_transaction_local_init (local, this);
+ if (local->fd && priv->eager_lock &&
+ local->transaction.type == AFR_DATA_TRANSACTION)
+ afr_set_lk_owner (frame, this, local->fd);
+ else
+ afr_set_lk_owner (frame, this, frame->root);
+
+ ret = afr_transaction_local_init (local, this);
+ if (ret < 0) {
+ goto out;
+ }
local->transaction.resume = afr_transaction_resume;
local->transaction.type = type;
- if (local->fd && priv->eager_lock &&
- local->transaction.type == AFR_DATA_TRANSACTION)
- afr_set_lk_owner (frame, this, local->fd);
- else
- afr_set_lk_owner (frame, this, frame->root);
-
if (_does_transaction_conflict_with_delayed_post_op (frame) &&
local->loc.inode) {
fd = fd_lookup (local->loc.inode, frame->root->pid);
@@ -1481,6 +1485,7 @@ afr_transaction (call_frame_t *frame, xlator_t *this, afr_transaction_type type)
} else {
afr_lock (frame, this);
}
-
- return 0;
+ ret = 0;
+out:
+ return ret;
}