[PATCH v3 6/7] fs: introduce write-hint start point for in-kernel hints

[Kanchan Joshi]

kernel-mode components can define own write-hints using
"WRITE_LIFE_KERN_MIN" as base.

Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
---
 include/linux/fs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 29d8e2c..6a2673e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -291,6 +291,8 @@ enum rw_hint {
 	WRITE_LIFE_MEDIUM	= RWH_WRITE_LIFE_MEDIUM,
 	WRITE_LIFE_LONG		= RWH_WRITE_LIFE_LONG,
 	WRITE_LIFE_EXTREME	= RWH_WRITE_LIFE_EXTREME,
+/* Kernel should use write-hint starting from this */
+	WRITE_LIFE_KERN_MIN,
 };
 
 #define IOCB_EVENTFD		(1 << 0)
-- 
2.7.4