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-rw-r--r--include/linux/blkdev.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0eebd3bcfd85..e1e289ab66b9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -596,6 +596,9 @@ struct request_queue {
void *rq_alloc_data;
struct work_struct release_work;
+
+#define BLK_MAX_WRITE_HINTS 5
+ u64 write_hints[BLK_MAX_WRITE_HINTS];
};
#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */
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