commit e6047149db702374f240dc18bab665479e25a8cc
author Mike Christie <mchristi@redhat.com> Sun Jun 05 14:32:04 2016 -0500
committer Jens Axboe <axboe@fb.com> Tue Jun 07 13:41:38 2016 -0600
tree 4a07c091de4b1d1d506b911a5f94e6cd6b5b6ba4
parent 528ec5abe6808c367b13f51945829eba24b1fc17

dm: use bio op accessors

Separate the op from the rq_flag_bits and have dm
set/get the bio using bio_set_op_attrs/bio_op.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

drivers/md/dm.c

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index f5ac0a3..9204a2d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1053,7 +1053,7 @@
 		}
 	}
 
-	if (unlikely(r == -EREMOTEIO && (bio->bi_rw & REQ_WRITE_SAME) &&
+	if (unlikely(r == -EREMOTEIO && (bio_op(bio) == REQ_OP_WRITE_SAME) &&
 		     !bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors))
 		disable_write_same(md);
 
@@ -1748,9 +1748,9 @@
 	unsigned len;
 	int r;
 
-	if (unlikely(bio->bi_rw & REQ_DISCARD))
+	if (unlikely(bio_op(bio) == REQ_OP_DISCARD))
 		return __send_discard(ci);
-	else if (unlikely(bio->bi_rw & REQ_WRITE_SAME))
+	else if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME))
 		return __send_write_same(ci);
 
 	ti = dm_table_find_target(ci->map, ci->sector);
@@ -2415,7 +2415,7 @@
 
 	bio_init(&md->flush_bio);
 	md->flush_bio.bi_bdev = md->bdev;
-	md->flush_bio.bi_rw = WRITE_FLUSH;
+	bio_set_op_attrs(&md->flush_bio, REQ_OP_WRITE, WRITE_FLUSH);
 
 	dm_stats_init(&md->stats);