diff options
author | Xavier Hernandez <xhernandez@datalab.es> | 2016-06-09 16:53:19 +0200 |
---|---|---|
committer | Raghavendra G <rgowdapp@redhat.com> | 2016-06-18 22:53:15 -0700 |
commit | 30a426c1bdddbc56e9c49f049eedba9d67725182 (patch) | |
tree | d0bae69175aeb993954c00d32910696ea47be12a /tests | |
parent | 89b5867fc7dc20ccb3af512d2723b1021d852381 (diff) |
cluster/dht: Fix unsafe iteration on inode->fd_list
When DHT traverses the inode->fd_list, it does that in an unsafe
way that can generate races with fd_unref() called from other threads.
This patch fixes this problem taking the inode->lock and adding a
reference to the fd while it's being used outside of the mutex
protected region.
A minor change in storage/posix has been done to also access the
inode->fd_list in a safe way.
Backport of:
> Change-Id: I10d469ca6a8f76e950a8c9779ae9c8b70f88ef93
> BUG: 1344340
> Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
> Reviewed-on: http://review.gluster.org/14682
> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
> Smoke: Gluster Build System <jenkins@build.gluster.org>
> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Change-Id: I10d469ca6a8f76e950a8c9779ae9c8b70f88ef93
BUG: 1346750
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/14733
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Diffstat (limited to 'tests')
0 files changed, 0 insertions, 0 deletions