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-rw-r--r--block/elevator.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 2d511f9105e..1975b619c86 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -79,7 +79,8 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio)
/*
* Don't merge file system requests and discard requests
*/
- if (bio_discard(bio) != bio_discard(rq->bio))
+ if (bio_rw_flagged(bio, BIO_RW_DISCARD) !=
+ bio_rw_flagged(rq->bio, BIO_RW_DISCARD))
return 0;
/*
@@ -100,19 +101,6 @@ int elv_rq_merge_ok(struct request *rq, struct bio *bio)
if (bio_integrity(bio) != blk_integrity_rq(rq))
return 0;
- /*
- * Don't merge if failfast settings don't match.
- *
- * FIXME: The negation in front of each condition is necessary
- * because bio and request flags use different bit positions
- * and the accessors return those bits directly. This
- * ugliness will soon go away.
- */
- if (!bio_failfast_dev(bio) != !blk_failfast_dev(rq) ||
- !bio_failfast_transport(bio) != !blk_failfast_transport(rq) ||
- !bio_failfast_driver(bio) != !blk_failfast_driver(rq))
- return 0;
-
if (!elv_iosched_allow_merge(rq, bio))
return 0;