GFS2: Pull request (merge window) addendum

From: Bob Peterson
Date: Thu Feb 23 2017 - 10:44:26 EST

Hi Linus,

Please consider pulling the following additional patch for the GFS2 file system.

Sorry for the lack of bake time on this one, but it is high priority, simple, and has been well tested.

Bob Peterson

The following changes since commit c548a1c175608e268f6495f3f82461303584d1c9:

gfs2: Make gfs2_write_full_page static (2017-02-03 08:23:47 -0500)

are available in the git repository at:

git:// tags/gfs2-4.11.addendum

for you to fetch changes up to f38e5fb95a1f8feda88531eedc98f69b24748712:

gfs2: Add missing rcu locking for glock lookup (2017-02-23 10:06:00 -0500)

This is an addendum for the 4.11 merge window.

Andy Price wrote this patch to close a nasty race condition
that allows access to glocks that are being destroyed. Without
this patch, GFS2 is vulnerable to random corruption and kernel

Andrew Price (1):
gfs2: Add missing rcu locking for glock lookup

fs/gfs2/glock.c | 5 +++++
1 file changed, 5 insertions(+)