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Date: Fri, 11 Dec 2009 00:05:48 +0000
From: Alasdair G Kergon <agk@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: dm-devel@...hat.com, linux-kernel@...r.kernel.org,
Mike Snitzer <snitzer@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jens Axboe <jens.axboe@...cle.com>,
Jonathan Brassow <jbrassow@...hat.com>,
Julia Lawall <julia@...u.dk>,
"Jun'ichi Nomura" <j-nomura@...jp.nec.com>,
Kiyoshi Ueda <k-ueda@...jp.nec.com>,
Li Zefan <lizf@...fujitsu.com>,
Mike Anderson <andmike@...ux.vnet.ibm.com>,
Mikulas Patocka <mpatocka@...hat.com>,
Milan Broz <mbroz@...hat.com>,
Roel Kluin <roel.kluin@...il.com>
Subject: [git pull] device-mapper patches for 2.6.33-rc1
Please pull from:
master.kernel.org:/pub/scm/linux/kernel/git/agk/linux-2.6-dm.git master
to get device-mapper fixes and enhancements for inclusion in 2.6.33-rc1.
The main new feature is support for merging the changes held in a
snapshot back into the original device. Barriers are now supported
by all the types of dm devices.
Alasdair G Kergon (3):
dm: rename dm_get_table to dm_get_live_table
dm: bind new table before destroying old
dm: keep old table until after resume succeeded
Jon Brassow (5):
dm snapshot: avoid else clause in persistent_read_metadata
dm snapshot: consolidate insert exception functions
dm snapshot: rename dm_snap_exception to dm_exception
dm snapshot: rename exception_table to dm_exception_table
dm snapshot: rename exception functions
Julia Lawall (1):
dm exception store: free tmp_store on persistent flag error
Jun'ichi Nomura (1):
dm: trace request based remapping
Kiyoshi Ueda (14):
dm: abstract dm_in_flight function
dm: use clone in map_request function
dm: pass gfp_mask to alloc_rq_tio
dm: abstract clone_rq
dm: simplify request based suspend
dm: use md pending for in flight IO counting
dm: refactor request based completion functions
dm: move dm_end_request
dm: add request based barrier support
dm mpath: flush workqueues before suspend completes
dm: swap target postsuspend call and setting suspended flag
dm: rename dm_suspended to dm_suspended_md
dm: export suspended state to targets
dm mpath: reject messages when device is suspended
Mike Anderson (4):
dm: add dm_deleting_md function
dm ioctl: forbid messages to devices being deleted
dm mpath: add mutex to synchronize adding and flushing work
dm mpath: prevent io from work queue while suspended
Mike Snitzer (9):
dm snapshot: add allocated metadata to snapshot status
dm snapshot: move cow ref from exception store to snap core
dm snapshot: track suspended state in target
dm ioctl: retrieve status from inactive table
dm snapshot: allow live exception store handover between tables
dm snapshot: create function for chunk_is_tracked wait
dm snapshot: support barriers in snapshot merge target
dm snapshot: merge consecutive chunks together
dm snapshot: report merge failure in status
Mikulas Patocka (35):
dm: avoid _hash_lock deadlock
dm snapshot: only take lock for statustype info not table
dm snapshot: cope with chunk size larger than origin
dm io: use slab for struct io
dm io: remove extra bi_io_vec region hack
dm raid1: support flush
dm raid1: split touched state into two
dm log: add flush_header function
dm log: introduce flush_failed variable
dm log: add flush callback fn
dm log: use flush callback fn
dm raid1: implement mirror_flush
dm raid1: report flush errors separately in status
dm raid1: add framework to hold bios during suspend
dm raid1: use hold framework in do_failures
dm raid1: abstract get_valid_mirror function
dm raid1: remove bio_endio from dm_rh_mark_nosync
dm raid1: hold write bios when errors are handled
dm raid1: hold all write bios when leg fails
dm raid1: explicitly initialise bio_lists
dm snapshot: simplify sector_to_chunk expression
dm snapshot: abstract minimum_chunk_size fn
dm kcopyd: accept zero size jobs
dm io: handle empty barriers
dm snapshot: make bio optional in __origin_write
dm exception store: add merge specific methods
dm snapshot: add merge target
dm snapshot: rework writing to origin
dm snapshot: avoid allocating exceptions in merge
dm snapshot: permit only one merge at once
dm snapshot: add merging
dm snapshot: queue writes to chunks being merged
dm snapshot: delay merging a chunk until writes to it complete
dm snapshot: trigger exceptions in remaining snapshots during merge
dm snapshot: use merge origin if snapshot invalid
Milan Broz (7):
dm: sysfs add empty release function to avoid debug warning
dm crypt: make wipe message also wipe tfm key
dm crypt: move private iv fields to structs
dm crypt: restructure essiv error path
dm crypt: separate essiv allocation from initialisation
dm crypt: make wipe message also wipe essiv key
dm crypt: add plain64 iv
Roel Kluin (1):
dm ioctl: prefer strlcpy over strncpy
Documentation/device-mapper/snapshot.txt | 60 ++-
drivers/md/dm-crypt.c | 207 ++++--
drivers/md/dm-exception-store.c | 33 +-
drivers/md/dm-exception-store.h | 62 ++-
drivers/md/dm-io.c | 120 ++-
drivers/md/dm-ioctl.c | 123 +++-
drivers/md/dm-kcopyd.c | 5 +-
drivers/md/dm-log.c | 77 ++-
drivers/md/dm-mpath.c | 95 ++-
drivers/md/dm-raid1.c | 219 ++++--
drivers/md/dm-region-hash.c | 31 +-
drivers/md/dm-snap-persistent.c | 195 ++++-
drivers/md/dm-snap-transient.c | 24 +-
drivers/md/dm-snap.c | 1279 ++++++++++++++++++++++++------
drivers/md/dm-sysfs.c | 10 +-
drivers/md/dm-table.c | 3 +
drivers/md/dm-uevent.c | 9 +-
drivers/md/dm.c | 643 +++++++++-------
drivers/md/dm.h | 13 +
include/linux/device-mapper.h | 8 +-
include/linux/dm-dirty-log.h | 6 +-
include/linux/dm-ioctl.h | 13 +-
include/linux/dm-region-hash.h | 3 +-
23 files changed, 2349 insertions(+), 889 deletions(-)
Alasdair.
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