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-rw-r--r--block/blk-mq-sched.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h
index 5b18ab915c65..aff037cfd8e7 100644
--- a/block/blk-mq-sched.h
+++ b/block/blk-mq-sched.h
@@ -5,6 +5,8 @@
#include "blk-mq.h"
#include "blk-mq-tag.h"
+#define MAX_SCHED_RQ (16 * BLKDEV_MAX_RQ)
+
void blk_mq_sched_assign_ioc(struct request *rq);
bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,