GFS2: Pull request (fixes)

From: Steven Whitehouse
Date: Thu Jan 02 2014 - 07:42:01 EST


Please consider pulling the following bug fixes,



The following changes since commit 7e3528c3660a2e8602abc7858b0994d611f74bc3:

slab.h: remove duplicate kmalloc declaration and fix kernel-doc warnings (2013-11-24 11:01:16 -0800)

are available in the git repository at:

git:// tags/gfs2-fixes

for you to fetch changes up to 0b3a2c9968d453d5827e635a6f3d69129f70af66:

GFS2: Fix unsafe dereference in dump_holder() (2014-01-02 12:18:04 +0000)

Here is a set of small fixes for GFS2. There is a fix to drop
s_umount which is copied in from the core vfs, two patches
relate to a hard to hit "use after free" and memory leak.
Two patches related to using DIO and buffered I/O on the same
file to ensure correct operation in relation to glock state
changes. The final patch adds an RCU read lock to ensure
correct locking on an error path.

Bob Peterson (2):
GFS2: Fix use-after-free race when calling gfs2_remove_from_ail
GFS2: Fix slab memory leak in gfs2_bufdata

Steven Whitehouse (3):
GFS2: don't hold s_umount over blkdev_put
GFS2: Fix incorrect invalidation for DIO/buffered I/O
GFS2: Wait for async DIO in glock state changes

Tetsuo Handa (1):
GFS2: Fix unsafe dereference in dump_holder()

fs/gfs2/aops.c | 30 ++++++++++++++++++++++++++++++
fs/gfs2/glock.c | 2 ++
fs/gfs2/glops.c | 10 ++++++++--
fs/gfs2/log.c | 4 ++--
fs/gfs2/meta_io.c | 5 +++++
fs/gfs2/ops_fstype.c | 12 +++++++++++-
6 files changed, 58 insertions(+), 5 deletions(-)

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