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authorMike Christie <mchristi@redhat.com>2016-06-05 14:32:23 -0500
committerJens Axboe <axboe@fb.com>2016-06-07 13:41:38 -0600
commit3a5e02ced11e22ecd9da3d6710afe15bcfee1d10 (patch)
tree78f6d1a737b01b559b61310b9355f1f7ecfdd54c /drivers/md
parent4e1b2d52a80d79296a5d899d73249748dea71a53 (diff)
downloadop-kernel-dev-3a5e02ced11e22ecd9da3d6710afe15bcfee1d10.zip
op-kernel-dev-3a5e02ced11e22ecd9da3d6710afe15bcfee1d10.tar.gz
block, drivers: add REQ_OP_FLUSH operation
This adds a REQ_OP_FLUSH operation that is sent to request_fn based drivers by the block layer's flush code, instead of sending requests with the request->cmd_flags REQ_FLUSH bit set. 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 'drivers/md')
-rw-r--r--drivers/md/dm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f6b104c..fcc68c8 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2171,7 +2171,7 @@ static void dm_request_fn(struct request_queue *q)
/* always use block 0 to find the target for flushes for now */
pos = 0;
- if (!(rq->cmd_flags & REQ_FLUSH))
+ if (req_op(rq) != REQ_OP_FLUSH)
pos = blk_rq_pos(rq);
if ((dm_request_peeked_before_merge_deadline(md) &&
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