Commit 94deac97 authored by Hans Holmberg's avatar Hans Holmberg Committed by Carlos Maiolino
Browse files

fs: add an enum for number of life time hints 



Add WRITE_LIFE_HINT_NR into the rw_hint enum to define the number of
values write life time hints can be set to. This is useful for e.g.
file systems which may want to map these values to allocation groups.

Signed-off-by: default avatarHans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarCarlos Maiolino <cem@kernel.org>
parent e747883c

include/linux/rw_hint.h

+1 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ enum rw_hint { 
	WRITE_LIFE_MEDIUM	= RWH_WRITE_LIFE_MEDIUM,

	WRITE_LIFE_LONG		= RWH_WRITE_LIFE_LONG,

	WRITE_LIFE_EXTREME	= RWH_WRITE_LIFE_EXTREME,

	WRITE_LIFE_HINT_NR,

} __packed;



/* Sparse ignores __packed annotations on enums, hence the #ifndef below. */