[PATCH 1/4] block: Increase count of supported write-hints

Kanchan Joshi
2019-01-09T15:30:58Z

This patch bumps up write-hint count to support four new, in-kernel
hints.

Signed-off-by: Kanchan Joshi <joshi.k at samsung.com>
---
include/linux/blkdev.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 338604d..df07759 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -568,7 +568,10 @@ struct request_queue {

struct work_struct release_work;

-#define BLK_MAX_WRITE_HINTS 5
+#define BLK_MAX_USER_WRITE_HINTS 5
+#define BLK_MAX_KERNEL_WRITE_HINTS 4
+#define BLK_MAX_WRITE_HINTS (BLK_MAX_USER_WRITE_HINTS + \
+ BLK_MAX_KERNEL_WRITE_HINTS)
u64 write_hints[BLK_MAX_WRITE_HINTS];
};

--
2.7.4