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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
..
9p
9p: implement optional loose read cache
2007-02-18 10:16:10 -06:00
adfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
affs
[PATCH] affs: implement ->drop_inode
2007-02-20 17:10:15 -08:00
afs
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
autofs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
autofs4
[PATCH] autofs4: check for directory re-create in lookup
2007-02-20 17:10:15 -08:00
befs
[PATCH] mark struct inode_operations const 1
2007-02-12 09:48:46 -08:00
bfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
cifs
Storage class should be before const qualifier
2007-02-17 20:11:19 +01:00
coda
[PATCH] sysctl: remove insert_at_head from register_sysctl
2007-02-14 08:09:59 -08:00
configfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
cramfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
debugfs
debugfs: Remove misleading comments.
2007-02-16 15:19:17 -08:00
devpts
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
dlm
[PATCH] mark struct file_operations const 6
2007-02-12 09:48:45 -08:00
ecryptfs
[PATCH] ecryptfs: fix forgotten format specifier
2007-02-16 08:14:01 -08:00
efs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
exportfs
[PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers
2006-10-03 08:03:40 -07:00
ext2
[PATCH] ext[234]: update documentation
2007-02-20 17:10:14 -08:00
ext3
[PATCH] ext[234]: update documentation
2007-02-20 17:10:14 -08:00
ext4
[PATCH] ext[234]: update documentation
2007-02-20 17:10:14 -08:00
fat
[PATCH] FAT: DIO-write fallback to normal buffered
2007-02-20 17:10:14 -08:00
freevxfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
fuse
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
gfs2
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
hfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
hfsplus
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
hostfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
hpfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
hppfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
hugetlbfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
isofs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
jbd
[PATCH] jbd: wait for already submitted t_sync_datalist buffer to complete
2006-12-22 08:55:51 -08:00
jbd2
[PATCH] jbd2: wait for already submitted t_sync_datalist buffer to complete
2006-12-07 08:39:42 -08:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2007-02-19 13:34:11 -08:00
jfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
lockd
Replace remaining references to "driverfs" with "sysfs".
2007-02-17 19:13:42 +01:00
minix
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
msdos
[PATCH] mark struct inode_operations const 2
2007-02-12 09:48:46 -08:00
ncpfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
nfs
[PATCH] sysctl: remove insert_at_head from register_sysctl
2007-02-14 08:09:59 -08:00
nfs_common
[PATCH] nfs_common endianness annotations
2006-10-20 10:26:41 -07:00
nfsd
[PATCH] Fix a free-wrong-pointer bug in nfs/acl server.
2007-02-19 16:13:28 -08:00
nls
[PATCH] fs: make nls_cp936.c handle some U00XY characters and U20AC correctly
2006-12-07 08:39:46 -08:00
ntfs
[PATCH] sysctl: remove the proc_dir_entry member for the sysctl tables
2007-02-14 08:10:00 -08:00
ocfs2
Fix typos concerning hierarchy
2007-02-17 19:23:03 +01:00
openpromfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
partitions
Driver: remove redundant kobject_unregister checks
2007-02-16 15:19:17 -08:00
proc
[PATCH] Missing __user in pointer referenced within copy_from_user
2007-02-20 17:10:15 -08:00
qnx4
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
ramfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
reiserfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
romfs
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
smbfs
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
sysfs
PCI/sysfs/kobject kernel-doc fixes
2007-02-16 15:30:10 -08:00
sysv
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
udf
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
ufs
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
vfat
[PATCH] mark struct inode_operations const 3
2007-02-12 09:48:46 -08:00
xfs
[PATCH] xfs warning fix
2007-02-20 17:10:13 -08:00
aio.c
[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().
2007-02-11 10:51:27 -08:00
attr.c
…
bad_inode.c
[PATCH] mark struct inode_operations const 1
2007-02-12 09:48:46 -08:00
binfmt_aout.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
binfmt_elf_fdpic.c
[PATCH] Remove final references to deprecated "MAP_ANON" page protection flag
2007-02-11 10:51:17 -08:00
binfmt_elf.c
[PATCH] x86: Don't require the vDSO for handling a.out signals
2007-02-13 13:26:26 +01:00
binfmt_em86.c
…
binfmt_flat.c
[PATCH] uclinux: correctly remap bin_fmtflat exe allocated mem regions
2007-02-09 10:45:33 -08:00
binfmt_misc.c
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
binfmt_script.c
…
binfmt_som.c
[PARISC] Fix fs/binfmt_som.c
2006-10-04 06:51:26 -06:00
bio.c
[PATCH] optimize o_direct on block devices
2006-12-13 09:05:50 -08:00
block_dev.c
[PATCH] lockdep: annotate BLKPG_DEL_PARTITION
2007-02-20 17:10:16 -08:00
buffer.c
[PATCH] fs: fix nobh data leak
2007-02-20 17:10:15 -08:00
char_dev.c
[PATCH] rework reserved major handling
2007-02-20 17:10:13 -08:00
compat_ioctl.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
compat.c
[PATCH] fdtable: Make fdarray and fdsets equal in size
2006-12-10 09:57:22 -08:00
dcache.c
Revert "[PATCH] Fix d_path for lazy unmounts"
2007-02-13 12:08:18 -08:00
dcookies.c
[PATCH] slab: remove kmem_cache_t
2006-12-07 08:39:25 -08:00
direct-io.c
[PATCH] dio: lock refcount operations
2006-12-10 09:57:21 -08:00
dnotify.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
dquot.c
[PATCH] sysctl: remove insert_at_head from register_sysctl
2007-02-14 08:09:59 -08:00
drop_caches.c
[PATCH] remove invalidate_inode_pages()
2007-02-11 10:51:31 -08:00
eventpoll.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
exec.c
[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().
2007-02-11 10:51:27 -08:00
fcntl.c
[PATCH] fdtable: Make fdarray and fdsets equal in size
2006-12-10 09:57:22 -08:00
fifo.c
…
file_table.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
file.c
[PATCH] fdtable: Provide free_fdtable() wrapper
2006-12-22 08:55:50 -08:00
filesystems.c
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
fs-writeback.c
Write back inode data pages even when the inode itself is locked
2007-01-26 12:53:20 -08:00
generic_acl.c
[PATCH] Generic infrastructure for acls
2006-09-29 09:18:24 -07:00
inode.c
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
inotify_user.c
[PATCH] inotify: read return val fix
2007-02-12 09:48:28 -08:00
inotify.c
[PATCH] severing fs.h, radix-tree.h -> sched.h
2006-12-04 02:00:24 -05:00
internal.h
[PATCH] CONFIG_BLOCK internal.h cleanups
2006-09-30 20:52:32 +02:00
ioctl.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
ioprio.c
[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task
2007-02-12 09:48:32 -08:00
Kconfig
Remove JFFS (version 1), as scheduled.
2007-02-17 16:10:59 -05:00
Kconfig.binfmt
…
libfs.c
[PATCH] fs: fix libfs data leak
2007-02-20 17:10:15 -08:00
locks.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
Makefile
Remove JFFS (version 1), as scheduled.
2007-02-17 16:10:59 -05:00
mbcache.c
[PATCH] slab: remove kmem_cache_t
2006-12-07 08:39:25 -08:00
mpage.c
[PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6]
2006-09-30 20:52:26 +02:00
namei.c
[PATCH] __page_symlink retry loop error code fix
2007-02-16 08:13:56 -08:00
namespace.c
[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().
2007-02-11 10:51:27 -08:00
nfsctl.c
…
no-block.c
[PATCH] BLOCK: Make it possible to disable the block layer [try #6]
2006-09-30 20:52:31 +02:00
open.c
[PATCH] fdtable: Make fdarray and fdsets equal in size
2006-12-10 09:57:22 -08:00
pipe.c
[PATCH] AUDIT_FD_PAIR
2007-02-17 21:30:15 -05:00
pnode.c
[PATCH] rename struct namespace to struct mnt_namespace
2006-12-08 08:28:51 -08:00
pnode.h
[PATCH] rename struct namespace to struct mnt_namespace
2006-12-08 08:28:51 -08:00
posix_acl.c
[PATCH] kmemdup: some users
2006-10-01 00:39:19 -07:00
quota_v1.c
…
quota_v2.c
…
quota.c
[PATCH] BLOCK: Make it possible to disable the block layer [try #6]
2006-09-30 20:52:31 +02:00
read_write.c
[PATCH] FS: speed up rw_verify_area()
2007-02-12 09:48:29 -08:00
read_write.h
[PATCH] Remove readv/writev methods and use aio_read/aio_write instead
2006-10-01 00:39:28 -07:00
readdir.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
select.c
[PATCH] fdtable: Make fdarray and fdsets equal in size
2006-12-10 09:57:22 -08:00
seq_file.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
splice.c
[PATCH] constify pipe_buf_operations
2006-12-13 09:05:47 -08:00
stack.c
[PATCH] fs/stack.c: Copy i_nlink after all other attributes are copied
2007-02-19 14:21:50 -08:00
stat.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
super.c
[PATCH] Mark struct super_operations const
2007-02-12 09:48:47 -08:00
sync.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00
utimes.c
[PATCH] severing fs.h, radix-tree.h -> sched.h
2006-12-04 02:00:24 -05:00
xattr_acl.c
[PATCH] remove many unneeded #includes of sched.h
2007-02-14 08:09:54 -08:00
xattr.c
[PATCH] VFS: change struct file to use struct path
2006-12-08 08:28:41 -08:00