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(parent: 8413ac9) | patch
fs: buffer lock use lock bitops
authorNick Piggin <npiggin@suse.de>
Sun, 19 Oct 2008 03:27:00 +0000 (20:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 20 Oct 2008 15:52:32 +0000 (08:52 -0700)
commit51b07fc3c5c830bb49c80fc5eac041e1f66a72e7
tree7d01d39f5eb5ac601d95c1e133492bd83135af6ctree | snapshot (tar.gz zip)
parent8413ac9d8c9a1366a4f57880723126cd24e5a5c3commit | diff
fs: buffer lock use lock bitops

trylock_buffer and unlock_buffer open and close a critical section.
Hence, we can use the lock bitops to get the desired memory ordering.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/buffer.c diff | blob | blame | history
include/linux/buffer_head.h diff | blob | blame | history