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block: seperate bio/request unplug and sync bits

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Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jens Axboe 2009-01-06 09:16:05 +01:00
commit 213d9417fe
3 changed files with 17 additions and 8 deletions
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5
block/blk-core.c
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@ -1125,6 +1125,8 @@ void init_request_from_bio(struct request *req, struct bio *bio)
if (bio_sync(bio))
req->cmd_flags |= REQ_RW_SYNC;
if (bio_unplug(bio))
req->cmd_flags |= REQ_UNPLUG;
if (bio_rw_meta(bio))
req->cmd_flags |= REQ_RW_META;
@ -1141,6 +1143,7 @@ static int __make_request(struct request_queue *q, struct bio *bio)
int el_ret, nr_sectors;
const unsigned short prio = bio_prio(bio);
const int sync = bio_sync(bio);
const int unplug = bio_unplug(bio);
int rw_flags;
nr_sectors = bio_sectors(bio);
@ -1244,7 +1247,7 @@ get_rq:
blk_plug_device(q);
add_request(q, req);
out:
if (sync || blk_queue_nonrot(q))
if (unplug || blk_queue_nonrot(q))
__generic_unplug_device(q);
spin_unlock_irq(q->queue_lock);
return 0;