diff mbox series

[v4,2/7] block: increase stream count for in-kernel use

Message ID 1555523406-2380-3-git-send-email-joshi.k@samsung.com (mailing list archive)
State New, archived
Headers show
Series Extend write-hint/stream infrastructure | expand

Commit Message

Kanchan Joshi April 17, 2019, 5:50 p.m. UTC 
This bumps up stream count to support in-kernel hints.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
---
 include/linux/blkdev.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5c58a3b..f200aed 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -566,7 +566,9 @@  struct request_queue {
 
 	struct work_struct	release_work;
 
-#define BLK_MAX_WRITE_HINTS	5
+#define BLK_MAX_USER_HINTS     (WRITE_LIFE_KERN_MIN - 2)
+#define BLK_MAX_KERN_HINTS     4
+#define BLK_MAX_WRITE_HINTS    (1 + BLK_MAX_USER_HINTS + BLK_MAX_KERN_HINTS)
 	u64			write_hints[BLK_MAX_WRITE_HINTS];
 };