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(parent: 5662d8e) | 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)
commit49d9c865f80ccfd64bb790713fab47b3e2c1a926
tree7d01d39f5eb5ac601d95c1e133492bd83135af6ctree | snapshot
parent5662d8ef2a4c307f3aecc7879e39c520f2296e8bcommit | 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 | history
include/linux/buffer_head.h diff | blob | history
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