Peter Zijlstra 6d740cd5b1 [PATCH] lockdep: annotate BLKPG_DEL_PARTITION ... >============================================= >[ INFO: possible recursive locking detected ] >2.6.19-1.2909.fc7 #1 >--------------------------------------------- >anaconda/587 is trying to acquire lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >but task is already holding lock: > (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >other info that might help us debug this: >1 lock held by anaconda/587: > #0: (&bdev->bd_mutex){--..}, at: [<c05fb380>] mutex_lock+0x21/0x24 > >stack backtrace: > [<c0405812>] show_trace_log_lvl+0x1a/0x2f > [<c0405db2>] show_trace+0x12/0x14 > [<c0405e36>] dump_stack+0x16/0x18 > [<c043bd84>] __lock_acquire+0x116/0xa09 > [<c043c960>] lock_acquire+0x56/0x6f > [<c05fb1fa>] __mutex_lock_slowpath+0xe5/0x24a > [<c05fb380>] mutex_lock+0x21/0x24 > [<c04d82fb>] blkdev_ioctl+0x600/0x76d > [<c04946b1>] block_ioctl+0x1b/0x1f > [<c047ed5a>] do_ioctl+0x22/0x68 > [<c047eff2>] vfs_ioctl+0x252/0x265 > [<c047f04e>] sys_ioctl+0x49/0x63 > [<c0404070>] syscall_call+0x7/0xb Annotate BLKPG_DEL_PARTITION's bd_mutex locking and add a little comment clarifying the bd_mutex locking, because I confused myself and initially thought the lock order was wrong too. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2007-02-20 17:10:16 -08:00
..
as-iosched.c
blktrace.c	[PATCH] mark struct file_operations const 3	2007-02-12 09:48:45 -08:00
cfq-iosched.c	cfq-iosched: improve continue or break logic in cfq_dispatch	2007-02-11 23:14:45 +01:00
deadline-iosched.c
elevator.c	elevator: don't sort reads between writes	2007-02-11 23:14:44 +01:00
genhd.c	[PATCH] rework reserved major handling	2007-02-20 17:10:13 -08:00
ioctl.c	[PATCH] lockdep: annotate BLKPG_DEL_PARTITION	2007-02-20 17:10:16 -08:00
Kconfig
Kconfig.iosched	update I/O sched Kconfig help texts - CFQ is now default, not AS.	2007-02-17 20:08:22 +01:00
ll_rw_blk.c	[PATCH] md: fix various bugs with aligned reads in RAID5	2007-02-09 09:25:46 -08:00
Makefile
noop-iosched.c
scsi_ioctl.c	[PATCH] Fix SG_IO timeout jiffy conversion	2007-01-29 20:32:03 -08:00