| commit | 65299a3b788bd274bed92f9fa3232082c9f3ea70 | [log] [tgz] |
|---|---|---|
| author | Christoph Hellwig <hch@infradead.org> | Tue Aug 23 14:50:29 2011 +0200 |
| committer | Jens Axboe <jaxboe@fusionio.com> | Tue Aug 23 14:50:29 2011 +0200 |
| tree | 191c0afe31c15ac4c1bab96e0a07fddb097d0de8 | |
| parent | 5dc06c5a70b79a323152bec7e55783e705767e63 [diff] |
block: separate priority boosting from REQ_META Add a new REQ_PRIO to let requests preempt others in the cfq I/O schedule, and lave REQ_META purely for marking requests as metadata in blktrace. All existing callers of REQ_META except for XFS are updated to also set REQ_PRIO for now. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>