Linus Torvalds 935173744a Three fixes for device-mapper discard processing: ... - avoid a crash in dm-raid1 when discards coincide with mirror recovery; - avoid discarding shared data that's still needed in dm-thin; - don't guarantee that discarded blocks will be wiped in dm-raid1. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQCV8qAAoJEK2W1qbAHj1niSAP/2K0RkgWvL0hwuaM+us0oh29 XFou6Tb9pH+//QfKOJuClHeSfZFoHYuevvJPtwTqPlHGONE2YXeBtVmyp0k+BS69 xoaQy+OoZFrEbhxyJFrg+lDcxVGRtvo7x9zegeRf++o/skRfRgAjzyLkI8bk4t3v c3vSDTVBikJXlTxa+J7EQpeW29DBiky+tIHQQx0+98u2VSlaFFP6MdLr1ROeq7yF +z3kEXk6qzwL9ZHTWuVCvhi7bw4i18UTrH0wxZuUXWRpz+Va5h7w+/zcQbau6D/s K+BmlAW/fxzZOW4guFU6pCLlVGU4BsJxUXT55UaP4Dx9UuV59EtIPsDb8/Y/pGMX t9xnC4GmSOjw52pW2VR2gUJwG/c5mJ9g/mdP6twQzcC4JJ+CYg4Q5lH88qzDqceS VCrW681nIKIVoja5n1adv6gbZax8hlR/z8ElXrqELDmXk7nKBLOLdDVSXzZ9ceX1 RnvtAZE/zrxcslKHw52Sd37c8YRer/fgx3kQxhXd1nb096DgiWvE/taD/ixjWHQX Eu1KrQIelvw63/BNNTKYRF7xS0dGKsGNaXWln7cMONG28CnrWG/8f+mp+KG73x5e Fc8yCONHNbqmf95yx1N0MgfYlZFjBBw0+BtqmR7QVcnG3r4SaSug+F72SPb5nN/B ZBmwNcSBaaC952+5pMZa =gbLp -----END PGP SIGNATURE----- Merge tag 'dm-3.5-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm Pull device-mapper discard fixes from Alasdair G Kergon: - avoid a crash in dm-raid1 when discards coincide with mirror recovery; - avoid discarding shared data that's still needed in dm-thin; - don't guarantee that discarded blocks will be wiped in dm-raid1. * tag 'dm-3.5-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: dm raid1: set discard_zeroes_data_unsupported dm thin: do not send discards to shared blocks dm raid1: fix crash with mirror recovery and discard		2012-07-20 11:51:22 -07:00
..
persistent-data	dm persistent data: fix allocation failure in space map checker init	2012-07-03 12:55:37 +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-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: reject trailing characters in sccanf input	2012-03-28 18:41:26 +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 exception store: fix init error path	2012-03-28 18:41:22 +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.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-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-queue-length.c	dm: reject trailing characters in sccanf input	2012-03-28 18:41:26 +01:00
dm-raid1.c	dm raid1: set discard_zeroes_data_unsupported	2012-07-20 14:25:07 +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-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: skip reading origin when overwriting complete chunk	2011-08-02 12:32:04 +01:00
dm-stripe.c	dm: reject trailing characters in sccanf input	2012-03-28 18:41:26 +01:00
dm-sysfs.c
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: provide userspace access to pool metadata	2012-06-03 00:30:01 +01:00
dm-thin-metadata.h	dm thin: provide userspace access to pool metadata	2012-06-03 00:30:01 +01:00
dm-thin.c	dm thin: do not send discards to shared blocks	2012-07-20 14:25:05 +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
Kconfig	dm: add verity target	2012-03-28 18:43:38 +01:00
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
Makefile	dm: add verity target	2012-03-28 18:43:38 +01:00
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