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-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 845ef813110..d3b84bbb776 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -454,8 +454,14 @@ static int attempt_merge(struct request_queue *q, struct request *req,
elv_merge_requests(q, req, next);
if (req->rq_disk) {
+ struct hd_struct *part
+ = get_part(req->rq_disk, req->sector);
disk_round_stats(req->rq_disk);
req->rq_disk->in_flight--;
+ if (part) {
+ part_round_stats(part);
+ part->in_flight--;
+ }
}
req->ioprio = ioprio_best(req->ioprio, next->ioprio);