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| author | Mike Christie <mchristi@redhat.com> | 2016-06-05 14:32:25 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-07 13:41:38 -0600 |
| commit | 28a8f0d317bf225ff15008f5dd66ae16242dd843 (patch) | |
| tree | 4ed24aee241907a3612a61f8cc634acd10989c21 /block/blk-core.c | |
| parent | a418090aa88b9b531ac1f504d6bb8c0e9b04ccb7 (diff) | |
| download | lwn-28a8f0d317bf225ff15008f5dd66ae16242dd843.tar.gz lwn-28a8f0d317bf225ff15008f5dd66ae16242dd843.zip | |
block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH
To avoid confusion between REQ_OP_FLUSH, which is handled by
request_fn drivers, and upper layers requesting the block layer
perform a flush sequence along with possibly a WRITE, this patch
renames REQ_FLUSH to REQ_PREFLUSH.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index c7d66c23a708..32a283eb7274 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1029,7 +1029,7 @@ static bool blk_rq_should_init_elevator(struct bio *bio) * Flush requests do not use the elevator so skip initialization. * This allows a request to share the flush and elevator data. */ - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) return false; return true; @@ -1736,7 +1736,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) return BLK_QC_T_NONE; } - if (bio->bi_rw & (REQ_FLUSH | REQ_FUA)) { + if (bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) { spin_lock_irq(q->queue_lock); where = ELEVATOR_INSERT_FLUSH; goto get_rq; @@ -1968,9 +1968,9 @@ generic_make_request_checks(struct bio *bio) * drivers without flush support don't have to worry * about them. */ - if ((bio->bi_rw & (REQ_FLUSH | REQ_FUA)) && + if ((bio->bi_rw & (REQ_PREFLUSH | REQ_FUA)) && !test_bit(QUEUE_FLAG_WC, &q->queue_flags)) { - bio->bi_rw &= ~(REQ_FLUSH | REQ_FUA); + bio->bi_rw &= ~(REQ_PREFLUSH | REQ_FUA); if (!nr_sectors) { err = 0; goto end_io; @@ -2217,7 +2217,7 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq) */ BUG_ON(blk_queued_rq(rq)); - if (rq->cmd_flags & (REQ_FLUSH|REQ_FUA)) + if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) where = ELEVATOR_INSERT_FLUSH; add_acct_request(q, rq, where); @@ -3311,7 +3311,7 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) /* * rq is already accounted, so use raw insert */ - if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA)) + if (rq->cmd_flags & (REQ_PREFLUSH | REQ_FUA)) __elv_add_request(q, rq, ELEVATOR_INSERT_FLUSH); else __elv_add_request(q, rq, ELEVATOR_INSERT_SORT_MERGE); |