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linux-sg2042/drivers/md
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Mikulas Patocka f14fa693c9 dm stripe: fix size test 
dm-stripe is supposed to ensure that all the space allocated to the
stripes is fully used and that all stripes are the same size.  This
patch fixes the test.  It checks that device length is divisible by the
chunk size and checks that the resulting quotient is divisible by the
number of stripes (which is equivalent to testing if device length is
divisible by chunk_size * stripes).

Previously, the code only tested that the number of sectors in the target
was divisible by each of the chunk size and the number of stripes
separately, which could leave entire stripes unused.

(A setup that genuinely needs some stripes to be shorter than others
can be created by concatenating striped targets.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
 		2012-07-27 15:08:00 +01:00
..
persistent-data dm persistent data: remove debug space map checker 2012-07-27 15:07:58 +01:00
Kconfig dm persistent data: remove debug space map checker 2012-07-27 15:07:58 +01:00
Makefile dm: add verity target 2012-03-28 18:43:38 +01:00
bitmap.c md/bitmap: record the space available for the bitmap in the superblock. 2012-05-22 13:55:34 +10:00
bitmap.h md/bitmap: record the space available for the bitmap in the superblock. 2012-05-22 13:55:34 +10:00
dm-bio-record.h dm: preserve bi_io_vec when resubmitting bios 2009-04-02 19:55:23 +01:00
dm-bufio.c dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-bufio.h dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-crypt.c dm: replace simple_strtoul 2012-07-27 15:07:59 +01:00
dm-delay.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-exception-store.c dm: replace simple_strtoul 2012-07-27 15:07:59 +01:00
dm-exception-store.h dm snapshot: test chunk size against both origin and snapshot 2010-08-12 04:13:51 +01:00
dm-flakey.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-io.c dm io: fix discard support 2012-03-07 19:09:37 +00:00
dm-ioctl.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-kcopyd.c dm kcopyd: add dm_kcopyd_zero to zero an area 2011-10-31 20:18:58 +00:00
dm-linear.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-log-userspace-base.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
dm-log-userspace-transfer.c connector/userns: replace netlink uses of cap_raised() with capable() 2012-05-10 23:21:39 -04:00
dm-log-userspace-transfer.h dm log: userspace add luid to distinguish between concurrent log instances 2009-09-04 20:40:34 +01:00
dm-log.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-mpath.c dm mpath: allow ioctls to trigger pg init 2012-06-03 00:29:58 +01:00
dm-mpath.h dm mpath: remove is_active from struct dm_path 2008-10-10 13:36:58 +01:00
dm-path-selector.c md: Add module.h to all files using it implicitly 2011-10-31 19:31:18 -04:00
dm-path-selector.h dm mpath: add start_io and nr_bytes to path selectors 2009-06-22 10:12:27 +01:00
dm-queue-length.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-raid.c DM RAID: Use md_error() in place of simply setting Faulty bit 2012-05-22 13:55:31 +10:00
dm-raid1.c dm raid1: set discard_zeroes_data_unsupported 2012-07-20 14:25:07 +01:00
dm-region-hash.c dm raid1: fix crash with mirror recovery and discard 2012-07-20 14:25:03 +01:00
dm-round-robin.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-service-time.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-snap-persistent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap-transient.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap.c dm snapshot: remove redundant assignment in merge fn 2012-07-27 15:07:59 +01:00
dm-stripe.c dm stripe: fix size test 2012-07-27 15:08:00 +01:00
dm-sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
dm-table.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-target.c dm: error return error for discards 2010-08-12 04:14:14 +01:00
dm-thin-metadata.c dm thin metadata: introduce THIN_MAX_CONCURRENT_LOCKS 2012-07-27 15:07:58 +01:00
dm-thin-metadata.h dm thin: clean up compiler warning 2012-07-27 15:07:57 +01:00
dm-thin.c dm thin: provide specific errors for two table load failure cases 2012-07-27 15:07:59 +01:00
dm-uevent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-uevent.h
…
dm-verity.c dm: add verity target 2012-03-28 18:43:38 +01:00
dm-zero.c dm: zero silently drop discards 2010-08-12 04:14:12 +01:00
dm.c dm: clear bi_end_io on remapping failure 2012-03-28 18:41:25 +01:00
dm.h dm table: add immutable feature 2011-10-31 20:19:04 +00:00
faulty.c md: tidy up rdev_for_each usage. 2012-03-19 12:46:39 +11:00
linear.c md/linear: If md_integrity_register() fails, linear_run() must free the mem. 2012-04-02 09:48:37 +10:00
linear.h md/linear: typedef removal: linear_conf_t -> struct linear_conf 2011-10-11 16:48:54 +11:00
md.c md: avoid crash when stopping md array races with closing other open fds. 2012-07-19 15:59:18 +10:00
md.h md/bitmap: add new 'space' attribute for bitmaps. 2012-05-22 13:55:07 +10:00
multipath.c md: make 'name' arg to md_register_thread non-optional. 2012-07-03 15:56:52 +10:00
multipath.h md/multipath: typedef removal: multipath_conf_t -> struct mpconf 2011-10-11 16:48:57 +11:00
raid0.c md: Avoid OOPS when reshaping raid1 to raid0 2012-04-03 15:37:26 +10:00
raid0.h md: add proper merge_bvec handling to RAID0 and Linear. 2012-03-19 12:46:39 +11:00
raid1.c md/raid1: close some possible races on write errors during resync 2012-07-19 15:59:18 +10:00
raid1.h md/raid1: Allocate spare to store replacement devices and their bios. 2011-12-23 10:17:56 +11:00
raid5.c md: fix up plugging (again). 2012-07-03 17:45:31 +10:00
raid5.h raid5: support sync request 2012-05-22 13:55:05 +10:00
raid10.c md/raid10: fix careless build error 2012-07-04 09:35:35 +10:00
raid10.h md/raid10: add reshape support 2012-05-22 13:53:47 +10:00