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block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH

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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>
This commit is contained in:
Mike Christie
2016-06-05 14:32:25 -05:00
committed by Jens Axboe
parent a418090aa8
commit 28a8f0d317
39 changed files with 102 additions and 98 deletions
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2
drivers/md/md.c
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@@ -414,7 +414,7 @@ static void md_submit_flush_data(struct work_struct *ws)
/* an empty barrier - all done */
bio_endio(bio);
else {
bio->bi_rw &= ~REQ_FLUSH;
bio->bi_rw &= ~REQ_PREFLUSH;
mddev->pers->make_request(mddev, bio);
}