Jianpeng Ma 53362a05ae fs/block-dev.c:fix performance regression in O_DIRECT writes to md block devices ...

For regular file, write operaion used blk_plug function.But for block
file,write operation did not use blk_plug.
This patch is also for write-cache mode for block-device.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2012-08-02 09:50:39 +02:00

43 KiB

Raw Blame History

View Raw