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| author | Tejun Heo <tj@kernel.org> | 2011-01-25 12:43:49 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-01-25 12:43:49 +0100 |
| commit | 414b4ff5eecff0097d09c4a7da12e435fd503692 (patch) | |
| tree | cc7cd46c1455712af672b3ff872800b3da895837 /block/blk.h | |
| parent | 3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 (diff) | |
| download | linux-414b4ff5eecff0097d09c4a7da12e435fd503692.tar.gz linux-414b4ff5eecff0097d09c4a7da12e435fd503692.tar.bz2 linux-414b4ff5eecff0097d09c4a7da12e435fd503692.zip | |
block: add REQ_FLUSH_SEQ
rq == &q->flush_rq was used to determine whether a rq is part of a
flush sequence, which worked because all requests in a flush sequence
were sequenced using the single dedicated request. This is about to
change, so introduce REQ_FLUSH_SEQ flag to distinguish flush sequence
requests.
This patch doesn't cause any behavior change.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk.h b/block/blk.h index 2db8f32838e7..9d2ee8f4d9af 100644 --- a/block/blk.h +++ b/block/blk.h @@ -61,7 +61,7 @@ static inline struct request *__elv_next_request(struct request_queue *q) while (!list_empty(&q->queue_head)) { rq = list_entry_rq(q->queue_head.next); if (!(rq->cmd_flags & (REQ_FLUSH | REQ_FUA)) || - rq == &q->flush_rq) + (rq->cmd_flags & REQ_FLUSH_SEQ)) return rq; rq = blk_do_flush(q, rq); if (rq) |