diff options
author | Xavier Hernandez <xhernandez@datalab.es> | 2016-06-09 16:53:19 +0200 |
---|---|---|
committer | Kaushal M <kaushal@redhat.com> | 2016-06-24 03:20:05 -0700 |
commit | ed16cfb0455e41ee39addf6b3cdacdbe0d98308a (patch) | |
tree | 4f83e39f18fb229f8449f5fd4e568ed755ea9ddd /doc/release-notes/3.7.12.md | |
parent | 8dddda654a60ed66792212b413fde113f4cf951f (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: 1346751
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/14734
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 'doc/release-notes/3.7.12.md')
0 files changed, 0 insertions, 0 deletions