linux-kernel - [git pull] device-mapper fixes for 3.9

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Date:	Thu, 21 Mar 2013 02:26:26 +0000
From:	Alasdair G Kergon <agk@...hat.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	"Darrick J. Wong" <darrick.wong@...cle.com>, dm-devel@...hat.com,
	linux-kernel@...r.kernel.org,
	Heinz Mauelshagen <heinzm@...hat.com>,
	Joe Thornber <ejt@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Paul Taysom <taysom@...omium.org>,
	Randy Dunlap <rdunlap@...radead.org>, stable@...r.kernel.org
Subject: [git pull] device-mapper fixes for 3.9

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm tags/dm-3.9-fixes

to get the following device-mapper fixes for 3.9.

Thanks,
Alasdair

----------------------------------------------------------------
A set of device-mapper fixes for 3.9.

Fix reported data loss with discards and thin snapshots; avoid a
deadlock observed in dm verity; fix a race in the new dm cache code
along with some other minor bugs; store the cache policy version on disk
to make the stored hints format future-proof.

----------------------------------------------------------------
Heinz Mauelshagen (2):
      dm cache: detect cache_create failure
      dm cache: avoid calling policy destructor twice on error

Joe Thornber (5):
      dm thin: fix discard corruption
      dm thin: fix non power of two discard granularity calc
      dm cache: avoid 64 bit division on 32 bit
      dm cache: metadata clear dirty bits on clean shutdown
      dm cache: fix race in writethrough implementation

Mike Snitzer (2):
      dm cache: policy change version from string to integer set
      dm cache: policy ignore hints if generated by different version

Mikulas Patocka (1):
      dm verity: avoid deadlock

 drivers/md/dm-bufio.c                        |    2 +
 drivers/md/dm-cache-metadata.c               |   64 ++++++++--
 drivers/md/dm-cache-metadata.h               |    2 +-
 drivers/md/dm-cache-policy-cleaner.c         |    7 +-
 drivers/md/dm-cache-policy-internal.h        |    2 +
 drivers/md/dm-cache-policy-mq.c              |    8 +-
 drivers/md/dm-cache-policy.c                 |    8 ++
 drivers/md/dm-cache-policy.h                 |    2 +
 drivers/md/dm-cache-target.c                 |  169 +++++++++++++++++---------
 drivers/md/dm-thin.c                         |   11 +-
 drivers/md/dm-verity.c                       |   39 +++++-
 drivers/md/persistent-data/dm-btree-remove.c |   46 +++----
 12 files changed, 252 insertions(+), 108 deletions(-)
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