diff options
author | Amar Tumballi <amar@gluster.com> | 2011-08-01 17:11:59 +0530 |
---|---|---|
committer | Anand Avati <avati@gluster.com> | 2011-08-03 22:32:55 -0700 |
commit | 9261c453de2e95daaae3238479fc60179eeeb3d2 (patch) | |
tree | 8666fd67341087a47c51634a227569f55c9e00a4 /xlators | |
parent | 8ad5c276dc2998e694c099666f18ae45501d6762 (diff) |
glusterd rebalance: handle a race condition while starting a rebalance
due to the race, there was a possibility of having two (or more) threads doing
glusterd_defrag_start(), which would cause different thread to access same
pointer, and at some point making it NULL, causing other threads to crash with
SEGV.
Change-Id: Id05b99dd6f33329027b8a07f1c8da5a65fd6dae9
BUG: 3295
Reviewed-on: http://review.gluster.com/139
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
Diffstat (limited to 'xlators')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index 036457a1b0c..55a1999cbac 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -2760,8 +2760,7 @@ out: int glusterd_is_defrag_on (glusterd_volinfo_t *volinfo) { - return ((volinfo->defrag_status == GF_DEFRAG_STATUS_LAYOUT_FIX_STARTED) || - (volinfo->defrag_status == GF_DEFRAG_STATUS_MIGRATE_DATA_STARTED)); + return (volinfo->defrag != NULL); } int |