linux.git/drivers/md/persistent-data/dm-array.c, branch v3.15 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git dm array: fix a reference counting bug in shadow_ablock 2013-12-13T19:22:10+00:00 Joe Thornber ejt@redhat.com 2013-12-13T14:55:55+00:00 ed9571f0cf1fe09d3506302610f3ccdfa1d22c4a An old array block could have its reference count decremented below zero when it is being replaced in the btree by a new array block. The fix is to increment the old ablock's reference count just before inserting a new ablock into the btree. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # 3.9+ 
An old array block could have its reference count decremented below
zero when it is being replaced in the btree by a new array block.

The fix is to increment the old ablock's reference count just before
inserting a new ablock into the btree.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.9+
dm array: fix bug in growing array 2013-11-05T16:20:50+00:00 Joe Thornber ejt@redhat.com 2013-10-30T11:19:59+00:00 9c1d4de56066e4d6abc66ec188faafd7b303fb08 Entries would be lost if the old tail block was partially filled. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # 3.9+ 
Entries would be lost if the old tail block was partially filled.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.9+
dm persistent data: add transactional array 2013-03-01T22:45:51+00:00 Joe Thornber ejt@redhat.com 2013-03-01T22:45:51+00:00 6513c29f44f2cc970c0e9fecfe5a6526c3e73025 Add a transactional array. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> 
Add a transactional array.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>