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| author | Christoph Hellwig <hch@infradead.org> | 2011-08-23 14:50:29 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-08-23 14:50:29 +0200 |
| commit | 65299a3b788bd274bed92f9fa3232082c9f3ea70 (patch) | |
| tree | 191c0afe31c15ac4c1bab96e0a07fddb097d0de8 /fs/gfs2/log.c | |
| parent | 5dc06c5a70b79a323152bec7e55783e705767e63 (diff) | |
| download | linux-stable-65299a3b788bd274bed92f9fa3232082c9f3ea70.tar.gz linux-stable-65299a3b788bd274bed92f9fa3232082c9f3ea70.tar.bz2 linux-stable-65299a3b788bd274bed92f9fa3232082c9f3ea70.zip | |
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>
Diffstat (limited to 'fs/gfs2/log.c')
| -rw-r--r-- | fs/gfs2/log.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 85c62923ee29..598646434362 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -624,9 +624,9 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull) bh->b_end_io = end_buffer_write_sync; get_bh(bh); if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags)) - submit_bh(WRITE_SYNC | REQ_META, bh); + submit_bh(WRITE_SYNC | REQ_META | REQ_PRIO, bh); else - submit_bh(WRITE_FLUSH_FUA | REQ_META, bh); + submit_bh(WRITE_FLUSH_FUA | REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) |