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10da4f795f
linux/drivers/md
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Jeff Mahoney 10da4f795f [PATCH] dm: add module ref counting 
The reference counting on dm-mod is zero if no mapped devices are open.  This
is incorrect, and can lead to an oops if the module is unloaded while mapped
devices exist.

This patch claims a reference to the module whenever a device is created, and
drops it again when the device is freed.

Devices must be removed before dm-mod is unloaded.

[akpm: too late for 2.6.17 - suitable for 2.6.17.x after it has settled]

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-26 09:58:35 -07:00
..
raid6test [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
.gitignore gitignore: misc files 2006-01-01 22:21:50 +01:00
bitmap.c [PATCH] mempool: use common mempool kmalloc allocator 2006-03-26 08:56:59 -08:00
dm-bio-list.h [PATCH] device-mapper snapshot: bio_list fix 2005-11-22 09:14:31 -08:00
dm-bio-record.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-crypt.c [PATCH] dm: remove SECTOR_FORMAT 2006-03-27 08:44:58 -08:00
dm-emc.c [PATCH] device-mapper dm-emc: Fix a memset 2005-05-05 16:36:46 -07:00
dm-exception-store.c [PATCH] dm snapshot: unify chunk_size 2006-06-26 09:58:34 -07:00
dm-hw-handler.c BUG_ON() Conversion in md/dm-hw-handler.c 2006-03-24 18:36:27 +01:00
dm-hw-handler.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-io.c [PATCH] mempool: use common mempool kmalloc allocator 2006-03-26 08:56:59 -08:00
dm-io.h [PATCH] device-mapper: remove unused definition 2006-01-06 08:34:00 -08:00
dm-ioctl.c [PATCH] dm: fix mapped device ref counting 2006-06-26 09:58:35 -07:00
dm-linear.c [PATCH] dm: remove SECTOR_FORMAT 2006-03-27 08:44:58 -08:00
dm-log.c [PATCH] device-mapper log bitset: fix big endian find_next_zero_bit 2006-02-02 15:07:13 -08:00
dm-log.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-mpath.c [PATCH] mempool: use mempool_create_slab_pool() 2006-03-26 08:57:00 -08:00
dm-mpath.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-path-selector.c BUG_ON() Conversion in md/dm-path-selector.c 2006-03-26 18:21:58 +02:00
dm-path-selector.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-raid1.c [PATCH] drivers: use list_move() 2006-06-26 09:58:18 -07:00
dm-round-robin.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-snap.c [PATCH] dm snapshot: unify chunk_size 2006-06-26 09:58:34 -07:00
dm-snap.h [PATCH] device-mapper snapshot: load metadata on creation 2006-02-01 08:53:10 -08:00
dm-stripe.c [PATCH] dm: remove unnecessary typecast 2006-03-27 08:45:00 -08:00
dm-table.c [PATCH] sem2mutex: drivers/md 2006-03-27 08:45:03 -08:00
dm-target.c BUG_ON() Conversion in md/dm-target.c 2006-04-01 01:08:12 +02:00
dm-zero.c [PATCH] device-mapper: Some missing statics 2005-05-05 16:36:46 -07:00
dm.c [PATCH] dm: add module ref counting 2006-06-26 09:58:35 -07:00
dm.h [PATCH] dm store geometry 2006-03-27 08:44:59 -08:00
faulty.c [PATCH] md: allow array level to be set textually via sysfs 2006-01-06 08:34:09 -08:00
Kconfig [PATCH] md: make sure 64bit fields in version-1 metadata are 64-bit aligned 2006-04-11 06:18:30 -07:00
kcopyd.c [PATCH] sem2mutex: drivers/md 2006-03-27 08:45:03 -08:00
kcopyd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
linear.c [PATCH] md: allow array level to be set textually via sysfs 2006-01-06 08:34:09 -08:00
Makefile [PATCH] md: optimised resync using Bitmap based intent logging 2005-06-21 19:07:43 -07:00
md.c [PATCH] md: Fix badness in sysfs_notify caused by md_new_event 2006-05-31 16:27:11 -07:00
mktables.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
multipath.c [PATCH] mempool: use common mempool kzalloc allocator 2006-03-26 08:56:59 -08:00
raid0.c [PATCH] md: fix possible oops when starting a raid0 array 2006-05-23 10:35:31 -07:00
raid1.c [PATCH] md: Fix 'rdev->nr_pending' count when retrying barrier requests 2006-05-01 18:17:42 -07:00
raid5.c BUG_ON() Conversion in md/raid5.c 2006-04-02 13:31:42 +02:00
raid6.h [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6algos.c [PATCH] drivers/md/raid6algos.c: fix a NULL dereference 2006-06-23 07:43:08 -07:00
raid6altivec.uc [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6int.uc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6main.c BUG_ON() Conversion in md/raid6main.c 2006-04-02 13:33:30 +02:00
raid6mmx.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6recov.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6sse1.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6sse2.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6x86.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid10.c [PATCH] md: Fixed refcounting/locking when attempting read error correction in raid10 2006-05-01 18:17:42 -07:00
unroll.pl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xor.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00