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Date: Wed, 13 Aug 2014 12:07:37 -0400
From: Mike Snitzer <snitzer@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: dm-devel@...hat.com, linux-kernel@...r.kernel.org,
Alasdair G Kergon <agk@...hat.com>,
Joe Thornber <ejt@...hat.com>,
Mikulas Patocka <mpatocka@...hat.com>,
Jeff Moyer <jmoyer@...hat.com>
Subject: [git pull] device mapper changes for 3.17
Hi Linus,
The following changes since commit 44fa816bb778edbab6b6ddaaf24908dd6295937e:
dm cache: fix race affecting dirty block count (2014-08-01 12:25:22 -0400)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git tags/dm-3.17-changes
for you to fetch changes up to 200612ec33e555a356eebc717630b866ae2b694f:
dm table: propagate QUEUE_FLAG_NO_SG_MERGE (2014-08-10 20:54:49 -0400)
Please pull, thanks.
Mike
----------------------------------------------------------------
. Allow the thin target to paired with any size external origin; also
allow thin snapshots to be larger than the external origin.
. Add support for quickly loading a repetitive pattern into the
dm-switch target.
. Use per-bio data in the dm-crypt target instead of always using a
mempool for each allocation. Required switching to kmalloc alignment
for the bio slab.
. Fix DM core to properly stack the QUEUE_FLAG_NO_SG_MERGE flag
. Fix the dm-cache and dm-thin targets' export of the minimum_io_size to
match the data block size -- this fixes an issue where mkfs.xfs would
improperly infer raid striping was in place on the underlying storage.
. Small cleanups in dm-io, dm-mpath and dm-cache
----------------------------------------------------------------
Jeff Moyer (1):
dm table: propagate QUEUE_FLAG_NO_SG_MERGE
Joe Thornber (5):
dm io: simplify dec_count and sync_io
dm thin: switch to an atomic_t for tracking pending new block preparations
dm thin: relax external origin size constraints
dm cache: simplify deferred set reference count increments
dm cache: fail migrations in the do_worker error path
Mike Snitzer (4):
dm mpath: eliminate pg_ready() wrapper
dm cache metadata: use dm-space-map-metadata.h defined size limits
dm thin: set minimum_io_size to pool's data block size
dm cache: set minimum_io_size to cache's data block size
Mikulas Patocka (5):
dm table: make dm_table_supports_discards static
block: use kmalloc alignment for bio slab
dm crypt: use per-bio data
dm switch: factor out switch_region_table_read
dm switch: efficiently support repetitive patterns
Documentation/device-mapper/switch.txt | 12 +++
block/bio.c | 3 +-
drivers/md/dm-cache-metadata.c | 4 +-
drivers/md/dm-cache-metadata.h | 8 +-
drivers/md/dm-cache-target.c | 128 ++++++++++++++---------
drivers/md/dm-crypt.c | 41 +++++---
drivers/md/dm-io.c | 77 +++++++-------
drivers/md/dm-mpath.c | 6 +-
drivers/md/dm-switch.c | 67 ++++++++++--
drivers/md/dm-table.c | 86 +++++++++-------
drivers/md/dm-thin.c | 181 +++++++++++++++++++++++----------
drivers/md/dm.h | 1 -
12 files changed, 408 insertions(+), 206 deletions(-)
--
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