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linux-next/fs/ufs
Fabian Frederick ed3ad79f87 fs/ufs/super.c: fix potential race condition
Let locking subsystem decide on mutex management.  As reported by Andrew
Morton this patch fixes a bug:

: lock_ufs() is assuming that on non-preempt uniprocessor, the calling
: code will run atomically up to the matching unlock_ufs().
:
: But that isn't true. The very first site I looked at (ufs_frag_map)
: does sb_bread() under lock_ufs().  And sb_bread() will call schedule(),
: very commonly.
:
: The ->mutex_owner stuff is a bit hacky but should work OK.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-17 14:34:51 -08:00
..
balloc.c fs/ufs/balloc.c: remove unused variable 2014-10-14 02:18:20 +02:00
cylinder.c drop linux/ufs_fs.h from userspace export and relocate it to fs/ufs/ufs_fs.h 2008-02-08 09:22:39 -08:00
dir.c [readdir] simple local unixlike: switch to ->iterate() 2013-06-29 12:46:47 +04:00
file.c write_iter variants of {__,}generic_file_aio_write() 2014-05-06 17:38:00 -04:00
ialloc.c ufs: deal with nfsd/iget races 2014-09-26 21:17:52 -04:00
inode.c ufs: fix deadlocks introduced by sb mutex merge 2014-09-07 13:26:39 -04:00
Kconfig fs/ufs: remove depends on CONFIG_EXPERIMENTAL 2013-01-21 14:39:06 -08:00
Makefile fs/ufs: convert printk to pr_foo() 2014-08-08 15:57:21 -07:00
namei.c ufs: deal with nfsd/iget races 2014-09-26 21:17:52 -04:00
super.c fs/ufs/super.c: fix potential race condition 2015-02-17 14:34:51 -08:00
swab.h ufs: replace __inline with inline 2008-04-28 08:58:45 -07:00
symlink.c ufs: add ufs speciffic ->setattr call 2010-05-21 19:30:40 +02:00
truncate.c ufs: fix truncated values handling 64 bit metadata 2011-05-26 17:12:33 -07:00
ufs_fs.h fs/ufs: get rid of write_super 2012-07-22 23:58:16 +04:00
ufs.h fs/ufs: convert UFSD printk to pr_debug 2014-08-08 15:57:21 -07:00
util.c fs: ufs: remove cast for kmalloc return value 2013-03-18 14:15:58 +01:00
util.h ufs: use little-endian bitops 2011-03-23 19:46:19 -07:00