| commit | 329a67815b596d23daf0caa588ae0800e925320f | [log] [tgz] |
|---|---|---|
| author | Shaohua Li <shaohua.li@intel.com> | Fri Jan 07 08:48:28 2011 +0100 |
| committer | Jens Axboe <jaxboe@fusionio.com> | Fri Jan 07 08:48:28 2011 +0100 |
| tree | 5fcf8a7c4a4d43b2cc7dc220d6bb25bdf27d153f | |
| parent | 30d7b9448f03f2c82d0fd44738674cc156a8ce0a [diff] |
block cfq: don't use atomic_t for cfq_group cfq_group->ref is used with queue_lock hold, the only exception is cfq_set_request, which looks like a bug to me, 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>