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authorPranith Kumar K <pkarampu@redhat.com>2013-02-06 12:34:17 +0530
committerAnand Avati <avati@redhat.com>2013-02-06 09:25:42 -0800
commit3a141cda38cd6908dc3f1103a02eb38007552e87 (patch)
tree948a1044b637b4be870c7aa0e6b75fe066da0eb6 /xlators/cluster
parente0a331c4bea8713a67a0f8c5dc4bac1e6f81f358 (diff)
cluster/afr: Avoid priv->eager_lock value update race
Change-Id: I7049c0c64e36a9dfa4cc0e0b34de7ec111d2f6c1 BUG: 908302 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/4076 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/cluster')
-rw-r--r--xlators/cluster/afr/src/afr-common.c1
-rw-r--r--xlators/cluster/afr/src/afr-lk-common.c2
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c6
-rw-r--r--xlators/cluster/afr/src/afr.h1
4 files changed, 6 insertions, 4 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 424a6997160..801346406d7 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -4024,6 +4024,7 @@ afr_transaction_local_init (afr_local_t *local, xlator_t *this)
AFR_NUM_CHANGE_LOGS);
if (!local->transaction.txn_changelog)
goto out;
+ local->transaction.eager_lock_on = priv->eager_lock;
ret = 0;
out:
return ret;
diff --git a/xlators/cluster/afr/src/afr-lk-common.c b/xlators/cluster/afr/src/afr-lk-common.c
index 542b2959d83..75df3bb3dea 100644
--- a/xlators/cluster/afr/src/afr-lk-common.c
+++ b/xlators/cluster/afr/src/afr-lk-common.c
@@ -1554,7 +1554,7 @@ afr_nonblocking_inodelk (call_frame_t *frame, xlator_t *this)
continue;
flock_use = &flock;
- if (!priv->eager_lock) {
+ if (!local->transaction.eager_lock_on) {
goto wind;
}
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index c0316f86aae..a8b317878f7 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -1291,10 +1291,10 @@ afr_set_delayed_post_op (call_frame_t *frame, xlator_t *this)
if (!priv->post_op_delay_secs)
return;
- if (!priv->eager_lock)
+ local = frame->local;
+ if (!local->transaction.eager_lock_on)
return;
- local = frame->local;
if (!local)
return;
@@ -1477,7 +1477,7 @@ afr_transaction (call_frame_t *frame, xlator_t *this, afr_transaction_type type)
local->transaction.resume = afr_transaction_resume;
local->transaction.type = type;
- if (local->fd && priv->eager_lock &&
+ if (local->fd && local->transaction.eager_lock_on &&
local->transaction.type == AFR_DATA_TRANSACTION)
afr_set_lk_owner (frame, this, local->fd);
else
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 9405ff29512..cc0d0107763 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -655,6 +655,7 @@ typedef struct _afr_local {
struct {
off_t start, len;
+ gf_boolean_t eager_lock_on;
int *eager_lock;
char *basename;