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| author | Nick Piggin | 2008-10-19 05:27:00 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-10-20 17:52:32 +0200 |
| commit | 51b07fc3c5c830bb49c80fc5eac041e1f66a72e7 (patch) | |
| tree | 7d01d39f5eb5ac601d95c1e133492bd83135af6c /mm/mmap.c | |
| parent | mm: page lock use lock bitops (diff) | |
| download | kernel-qcow2-linux-51b07fc3c5c830bb49c80fc5eac041e1f66a72e7.tar.gz kernel-qcow2-linux-51b07fc3c5c830bb49c80fc5eac041e1f66a72e7.tar.xz kernel-qcow2-linux-51b07fc3c5c830bb49c80fc5eac041e1f66a72e7.zip | |
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>
Diffstat (limited to 'mm/mmap.c')
0 files changed, 0 insertions, 0 deletions