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| author | Andrew Morton <akpm@osdl.org> | 2006-07-30 03:03:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-31 13:28:38 -0700 |
| commit | 0e1dfc66b6ec94984a4778132147a8aa36461d58 (patch) | |
| tree | 225a8e044e021a5a337704bc1f5ea862a5f75375 /drivers/ide | |
| parent | a268cefebceeb2046dfdfa301f041c2468536852 (diff) | |
| download | blackbird-op-linux-0e1dfc66b6ec94984a4778132147a8aa36461d58.tar.gz blackbird-op-linux-0e1dfc66b6ec94984a4778132147a8aa36461d58.zip | |
[PATCH] invalidate_bdev() speedup
We can immediately bail from invalidate_bdev() if the blockdev has no
pagecache.
This solves the huge IPI storms which hald is causing on the big ia64
machines when it polls CDROM drives.
Acked-by: Jes Sorensen <jes@sgi.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/ide')
0 files changed, 0 insertions, 0 deletions
