| commit | a39722034ae37f80a1803bf781fe3fe1b03e20bc | |
| author | Nick Piggin <nickpiggin@yahoo.com.au> | |
| Fri, 8 Jul 2005 00:56:56 +0000 (7 17:56 -0700) | ||
| committer | Linus Torvalds <torvalds@g5.osdl.org> | |
| Fri, 8 Jul 2005 01:23:45 +0000 (7 18:23 -0700) | ||
| tree | fb7ef719d745e28678d73f884108f4cb2ef79171 | treesnapshot (tar.gz zip) |
| parent | d6afe27bfff30fbec2cca6ad5626c22f4094d770 | commitdiff |
[PATCH] page_uptodate locking scalability
Use a bit spin lock in the first buffer of the page to synchronise asynch
IO buffer completions, instead of the global page_uptodate_lock, which is
showing some scalabilty problems.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Use a bit spin lock in the first buffer of the page to synchronise asynch
IO buffer completions, instead of the global page_uptodate_lock, which is
showing some scalabilty problems.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| fs/buffer.c | diffblobblamehistory | |
| include/linux/buffer_head.h | diffblobblamehistory |