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-rw-r--r--block/blk.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h
index 83c8e1100525..01ebb8185f6b 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -143,6 +143,8 @@ static inline struct request *__elv_next_request(struct request_queue *q)
struct request *rq;
struct blk_flush_queue *fq = blk_get_flush_queue(q, NULL);
+ WARN_ON_ONCE(q->mq_ops);
+
while (1) {
if (!list_empty(&q->queue_head)) {
rq = list_entry_rq(q->queue_head.next);
@@ -334,4 +336,17 @@ static inline void blk_throtl_bio_endio(struct bio *bio) { }
static inline void blk_throtl_stat_add(struct request *rq, u64 time) { }
#endif
+#ifdef CONFIG_BOUNCE
+extern int init_emergency_isa_pool(void);
+extern void blk_queue_bounce(struct request_queue *q, struct bio **bio);
+#else
+static inline int init_emergency_isa_pool(void)
+{
+ return 0;
+}
+static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
+{
+}
+#endif /* CONFIG_BOUNCE */
+
#endif /* BLK_INTERNAL_H */