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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 /drivers/pci/setup-bus.c | |
| parent | 13685a1654b65357fb34066a98ef40445f7820fc (diff) | |
| download | kernel_samsung_aries-fb89e89d0ff6142f0616eb8260ea89d6fd924982.zip kernel_samsung_aries-fb89e89d0ff6142f0616eb8260ea89d6fd924982.tar.gz kernel_samsung_aries-fb89e89d0ff6142f0616eb8260ea89d6fd924982.tar.bz2 | |
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 'drivers/pci/setup-bus.c')
0 files changed, 0 insertions, 0 deletions