diff options
Diffstat (limited to 'block/blk.h')
-rw-r--r-- | block/blk.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/blk.h b/block/blk.h index 6e7dc87141e4..874eb4ea8093 100644 --- a/block/blk.h +++ b/block/blk.h | |||
@@ -51,6 +51,8 @@ static inline void blk_clear_rq_complete(struct request *rq) | |||
51 | */ | 51 | */ |
52 | #define ELV_ON_HASH(rq) (!hlist_unhashed(&(rq)->hash)) | 52 | #define ELV_ON_HASH(rq) (!hlist_unhashed(&(rq)->hash)) |
53 | 53 | ||
54 | struct request *blk_do_ordered(struct request_queue *q, struct request *rq); | ||
55 | |||
54 | static inline struct request *__elv_next_request(struct request_queue *q) | 56 | static inline struct request *__elv_next_request(struct request_queue *q) |
55 | { | 57 | { |
56 | struct request *rq; | 58 | struct request *rq; |
@@ -58,8 +60,9 @@ static inline struct request *__elv_next_request(struct request_queue *q) | |||
58 | while (1) { | 60 | while (1) { |
59 | while (!list_empty(&q->queue_head)) { | 61 | while (!list_empty(&q->queue_head)) { |
60 | rq = list_entry_rq(q->queue_head.next); | 62 | rq = list_entry_rq(q->queue_head.next); |
61 | if (blk_do_ordered(q, &rq)) | 63 | rq = blk_do_ordered(q, rq); |
62 | return rq; | 64 | if (rq) |
65 | return !IS_ERR(rq) ? rq : NULL; | ||
63 | } | 66 | } |
64 | 67 | ||
65 | if (!q->elevator->ops->elevator_dispatch_fn(q, 0)) | 68 | if (!q->elevator->ops->elevator_dispatch_fn(q, 0)) |