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Go Back   Linux Archive > Redhat > Device-mapper Development

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Old 07-30-2012, 01:06 PM
Alasdair G Kergon
Default device-mapper updates for 3.6

Please pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm tags/dm-3.6-changes

to get the following device-mapper updates for 3.6.


Device-mapper updates for 3.6:
- Flip the thin target into new read-only or failed modes if errors
are detected;
- Handle chunk sizes that are not powers of two in the snapshot and
thin targets;
- Provide a way for userspace to avoid replacing an already-loaded
multipath hardware handler while booting;
- Reduce dm_thin_endio_hook slab size to avoid allocation failures;
- Numerous small changes and cleanups to the code.

Alasdair G Kergon (5):
dm thin: reduce endio_hook pool size
dm snapshot: remove redundant assignment in merge fn
dm crypt: store crypt_config instead of dm_target struct
dm: use bool bitfields in struct dm_target
dm thin: commit before gathering status

Joe Thornber (38):
dm: remove unused flush target method
dm persistent data: remove debug space map checker
dm thin metadata: remove pointless label from __commit_transaction
dm thin metadata: introduce THIN_MAX_CONCURRENT_LOCKS
dm thin: fix memory leak in process_prepared_mapping error paths
dm thin: avoid unnecessarily breaking sharing for flushes
dm persistent data: always unlock superblock in dm_bm_flush_and_unlock
dm persistent data: only commit space map if index changed
dm: allow targets to request flushes regardless of underlying device support
dm thin: set flush_supported
dm thin metadata: factor __setup_btree_details out of init_pmd
dm persistent data: create new dm_block_manager struct
dm thin metadata: stop tracking need for commit
dm persistent data: tidy transaction manager creation fns
dm persistent data: stop using dm_bm_unlock_move when shadowing blocks in tm
dm thin metadata: wrap superblock locking
dm thin metadata: rename init_pmd to __create_persistent_data_objects
dm thin metadata: move bm creation code into create_persistent_data_objects
dm thin metadata: factor __destroy_persistent_data out of dm_pool_metadata_close
dm thin metadata: lift some initialisation out of __open_or_format_metadata
dm thin metadata: factor out __write_initial_superblock
dm thin metadata: move dm_commit_pool_metadata into __write_initial_superblock
dm thin metadata: lift __begin_transaction out of __write_initial_superblock
dm thin metadata: zero unused superblock uuid
dm thin metadata: use struct dm_pool_metadata members in __open_or_format_metadata
dm thin metadata: split __open or format metadata
dm thin metadata: remove nr_blocks arg from __create_persistent_data_objects
dm thin metadata: move __superblock_all_zeroes to __open_or_format_metadata
dm thin metadata: remove create parameter from __create_persistent_data_objects
dm thin metadata: remove duplicate pmd initialisation
dm thin metadata: tidy up open and format error paths
dm thin metadata: add format option to dm_pool_metadata_open
dm thin metadata: add dm_thin_changed_this_transaction
dm thin: reduce number of metadata commits
dm persistent data: introduce dm_bm_set_read_only
dm thin metadata: introduce dm_pool_metadata_set_read_only
dm thin metadata: introduce dm_pool_abort_metadata
dm thin: add read only and fail io modes

Jonathan E Brassow (2):
dm raid: restructure parse_raid_params
dm raid: move sectors_per_dev calculation

Mike Snitzer (7):
dm thin: clean up compiler warning
dm thin: provide specific errors for two table load failure cases
dm: support non power of two target max_io_len
dm stripe: support for non power of 2 chunksize
dm thin: support for non power of 2 pool blocksize
dm mpath: add retain_attached_hw_handler feature
dm thin metadata: only check incompat features on open

Mikulas Patocka (10):
dm stripe: fix size test
dm stripe: remove stripes_mask
dm stripe: remove minimum stripe size
dm stripe: optimize chunk_size calculations
dm: introduce split_discard_requests
dm thin: split discards on block boundary
dm thin: optimize power of two block size
dm crypt: rename pending field
dm crypt: move cipher data out of per_cpu struct
dm crypt: rename struct convert_context sector field

majianpeng (1):
dm: replace simple_strtoul

Documentation/device-mapper/striped.txt | 7 +-
Documentation/device-mapper/thin-provisioning.txt | 24 +-
drivers/md/Kconfig | 9 -
drivers/md/dm-crypt.c | 219 +++---
drivers/md/dm-delay.c | 2 +-
drivers/md/dm-exception-store.c | 13 +-
drivers/md/dm-flakey.c | 2 +-
drivers/md/dm-ioctl.c | 5 +-
drivers/md/dm-linear.c | 2 +-
drivers/md/dm-mpath.c | 49 +-
drivers/md/dm-raid.c | 56 +-
drivers/md/dm-raid1.c | 10 +-
drivers/md/dm-snap.c | 34 +-
drivers/md/dm-stripe.c | 87 ++-
drivers/md/dm-table.c | 3 +
drivers/md/dm-thin-metadata.c | 769 ++++++++++++--------
drivers/md/dm-thin-metadata.h | 25 +-
drivers/md/dm-thin.c | 542 ++++++++++----
drivers/md/dm-verity.c | 2 +-
drivers/md/dm.c | 40 +-
drivers/md/dm.h | 5 +
drivers/md/persistent-data/Makefile | 1 -
drivers/md/persistent-data/dm-block-manager.c | 105 +--
drivers/md/persistent-data/dm-block-manager.h | 21 +-
drivers/md/persistent-data/dm-space-map-checker.c | 446 ------------
drivers/md/persistent-data/dm-space-map-checker.h | 26 -
drivers/md/persistent-data/dm-space-map-common.c | 12 +-
drivers/md/persistent-data/dm-space-map-common.h | 1 +
drivers/md/persistent-data/dm-space-map-disk.c | 34 +-
.../md/persistent-data/dm-transaction-manager.c | 91 +--
.../md/persistent-data/dm-transaction-manager.h | 11 +-
include/linux/device-mapper.h | 29 +-
include/linux/dm-ioctl.h | 6 +-
33 files changed, 1373 insertions(+), 1315 deletions(-)
delete mode 100644 drivers/md/persistent-data/dm-space-map-checker.c
delete mode 100644 drivers/md/persistent-data/dm-space-map-checker.h

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