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| author |   Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2009-06-10 04:38:41 +0000 |
|---|---|---|
| committer |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 16:47:22 +1000 |
| commit | fb89e89d0ff6142f0616eb8260ea89d6fd924982 (patch) | |
| tree | 75a8457c238807871a48be213abb719765901061 /fs/stack.c | |
| parent | block: Add bio_list_peek() (diff) | |
| download | wireguard-linux-fb89e89d0ff6142f0616eb8260ea89d6fd924982.tar.xz wireguard-linux-fb89e89d0ff6142f0616eb8260ea89d6fd924982.zip | |
ps3vram: Replace mutex by spinlock + bio_list
Remove the mutex serializing access to the cache.
Instead, queue up new requests on a bio_list if the driver is busy.
This improves sequential write performance by ca. 2%.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Jim Paris <jim@jtan.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'fs/stack.c')
0 files changed, 0 insertions, 0 deletions