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authorMiklos Szeredi <miklos@szeredi.hu>2006-06-23 02:05:10 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:43:02 -0700
commit39005d022ad221b76dc2de0ac62ef475a796433b (patch)
treee0a36fec7076d48764f0588b9ce09ce8e9f067ff /ipc
parent0d9a490abe1f69fda220f7866f6f23af41daa128 (diff)
[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')
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