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-rw-r--r--include/linux/blkdev.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index aae86fd10c4f..95aeeeb49e8b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -250,7 +250,7 @@ struct queue_limits {
unsigned char misaligned;
unsigned char discard_misaligned;
- unsigned char no_cluster;
+ unsigned char cluster;
signed char discard_zeroes_data;
};
@@ -380,7 +380,6 @@ struct request_queue
#endif
};
-#define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */
#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */
#define QUEUE_FLAG_STOPPED 2 /* queue is stopped */
#define QUEUE_FLAG_SYNCFULL 3 /* read queue has been filled */
@@ -403,7 +402,6 @@ struct request_queue
#define QUEUE_FLAG_SECDISCARD 19 /* supports SECDISCARD */
#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
- (1 << QUEUE_FLAG_CLUSTER) | \
(1 << QUEUE_FLAG_STACKABLE) | \
(1 << QUEUE_FLAG_SAME_COMP) | \
(1 << QUEUE_FLAG_ADD_RANDOM))
@@ -510,6 +508,11 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
#define rq_data_dir(rq) ((rq)->cmd_flags & 1)
+static inline unsigned int blk_queue_cluster(struct request_queue *q)
+{
+ return q->limits.cluster;
+}
+
/*
* We regard a request as sync, if either a read or a sync write
*/