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linux-2.6
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Alasdair G Kergon 5c6bd75d06 [PATCH] dm: prevent removal if open 
If you misuse the device-mapper interface (or there's a bug in your userspace
tools) it's possible to end up with 'unlinked' mapped devices that cannot be
removed until you reboot (along with uninterruptible processes).

This patch prevents you from removing a device that is still open.

It introduces dm_lock_for_deletion() which is called when a device is about to
be removed to ensure that nothing has it open and nothing further can open it.
 It uses a private open_count for this which also lets us remove one of the
problematic bdget_disk() calls elsewhere.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-06-26 09:58:36 -07:00
..
acpi Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2006-06-23 07:52:36 -07:00
asm-alpha [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driver 2006-06-25 10:01:00 -07:00
asm-arm [PATCH] backlight: LOCOMO Backlight Driver updates 2006-06-26 09:58:28 -07:00
asm-arm26 [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driver 2006-06-25 10:01:00 -07:00
asm-cris Remove unneeded _syscallX macros from user view in asm-*/unistd.h 2006-04-29 01:51:47 +01:00
asm-frv [PATCH] frv: clean frv unistd.h 2006-06-23 07:42:55 -07:00
asm-generic [PATCH] introduce WARN_ON_ONCE(cond) 2006-06-25 10:01:11 -07:00
asm-h8300 [PATCH] adjust handle_IRR_event() return type 2006-06-23 07:43:08 -07:00
asm-i386 [PATCH] Notify page fault call chain 2006-06-26 09:58:22 -07:00
asm-ia64 [PATCH] Notify page fault call chain 2006-06-26 09:58:22 -07:00
asm-m32r [PATCH] vgacon: make VGA_MAP_MEM take size, remove extra use 2006-06-22 15:05:58 -07:00
asm-m68k [PATCH] m68k: convert VME irq code 2006-06-25 10:00:58 -07:00
asm-m68knommu [PATCH] m68knommu: make enable_irq() macro statement 2006-06-25 21:04:24 -07:00
asm-mips [PATCH] N32 sigset and __COMPAT_ENDIAN_SWAP__ 2006-06-25 10:01:15 -07:00
asm-parisc [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driver 2006-06-25 10:01:00 -07:00
asm-powerpc [PATCH] Notify page fault call chain 2006-06-26 09:58:22 -07:00
asm-ppc [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driver 2006-06-25 10:01:00 -07:00
asm-s390 [PATCH] Define __raw_get_cpu_var and use it 2006-06-25 10:01:01 -07:00
asm-sh [PATCH] random: remove SA_SAMPLE_RANDOM from floppy driver 2006-06-25 10:01:00 -07:00
asm-sh64 Remove unneeded _syscallX macros from user view in asm-*/unistd.h 2006-04-29 01:51:47 +01:00
asm-sparc [SBUS]: Rewrite and plug into of_device framework. 2006-06-23 23:15:50 -07:00
asm-sparc64 [PATCH] Notify page fault call chain 2006-06-26 09:58:22 -07:00
asm-um Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
asm-v850 [PATCH] adjust handle_IRR_event() return type 2006-06-23 07:43:08 -07:00
asm-x86_64 [PATCH] Notify page fault call chain 2006-06-26 09:58:22 -07:00
asm-xtensa [PATCH] xtensa: remove verify_area macros 2006-06-23 07:43:02 -07:00
keys [PATCH] keys: discard the contents of a key on revocation 2006-06-26 09:58:18 -07:00
linux [PATCH] dm: prevent removal if open 2006-06-26 09:58:36 -07:00
math-emu
…
media V4L/DVB (4205): Merge tda9887 module into tuner. 2006-06-25 02:05:24 -03:00
mtd Merge git://git.infradead.org/hdrcleanup-2.6 2006-06-20 15:10:08 -07:00
net [NET]: fix net-core kernel-doc 2006-06-23 02:07:42 -07:00
pcmcia Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00
rdma IB/uverbs: Don't serialize with ib_uverbs_idr_mutex 2006-06-17 20:44:49 -07:00
rxrpc
…
scsi Merge branch 'master' into upstream 2006-06-22 22:11:56 -04:00
sound V4L/DVB (4210b): git-dvb: tea575x-tuner build fix 2006-06-25 02:05:25 -03:00
video Don't include linux/config.h from anywhere else in include/ 2006-04-26 12:56:16 +01:00