aboutsummaryrefslogtreecommitdiff
path: root/block/blk-merge.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/blk-merge.c')
-rw-r--r--block/blk-merge.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 39ce64432ba..e1999679a4d 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -350,6 +350,12 @@ static int attempt_merge(struct request_queue *q, struct request *req,
if (blk_integrity_rq(req) != blk_integrity_rq(next))
return 0;
+ /* don't merge requests of different failfast settings */
+ if (blk_failfast_dev(req) != blk_failfast_dev(next) ||
+ blk_failfast_transport(req) != blk_failfast_transport(next) ||
+ blk_failfast_driver(req) != blk_failfast_driver(next))
+ return 0;
+
/*
* If we are allowed to merge, then append bio list
* from next to rq and release next. merge_requests_fn