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| author | Miklos Szeredi <miklos@szeredi.hu> | 2006-06-23 02:05:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:02 -0700 |
| commit | 39005d022ad221b76dc2de0ac62ef475a796433b (patch) | |
| tree | e0a36fec7076d48764f0588b9ce09ce8e9f067ff /ipc/mqueue.c | |
| parent | 0d9a490abe1f69fda220f7866f6f23af41daa128 (diff) | |
| download | lwn-39005d022ad221b76dc2de0ac62ef475a796433b.tar.gz lwn-39005d022ad221b76dc2de0ac62ef475a796433b.zip | |
[PATCH] locks: don't do unnecessary allocations
posix_lock_file() always allocates new locks in advance, even if it's easy to
determine that no allocations will be needed.
Optimize these cases:
- FL_ACCESS flag is set
- Unlocking the whole range
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'ipc/mqueue.c')
0 files changed, 0 insertions, 0 deletions