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Commit 51b07fc3 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds
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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: default avatarNick Piggin <npiggin@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8413ac9d
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