tree f925a59dfe6a7b2da5240e9d43d873de7b1de273
parent b7908c1035af7652cd613991b54dbff9c8b6bd3a
author Shaohua Li <shaohua.li@intel.com> 1294386419 +0100
committer Jens Axboe <jaxboe@fusionio.com> 1294386419 +0100

block cfq: don't use atomic_t for cfq_queue

cfq_queue->ref is used with queue_lock hold, so ref doesn't need to be an atomic
and atomic operation is slower.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>