From 14ced22830ef6cbf8e2526d3131c2b443c3f57dd Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Tue, 12 Sep 2017 22:04:20 +0000 Subject: [PATCH] add new fcntl.h macros from linux v4.13 for getting/setting write lifetime hints fcntl commands were added in linux commit c75b1d9421f80f4143e389d2d50ddfc8a28c8c35 added under _GNU_SOURCE || _BSD_SOURCE, since RWH_* life time hints are not in the POSIX reserved namespace. --- include/fcntl.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/fcntl.h b/include/fcntl.h index 0e165ca3..6d8edcd1 100644 --- a/include/fcntl.h +++ b/include/fcntl.h @@ -127,6 +127,18 @@ int posix_fallocate(int, off_t, off_t); #define F_SEAL_GROW 0x0004 #define F_SEAL_WRITE 0x0008 +#define F_GET_RW_HINT 1035 +#define F_SET_RW_HINT 1036 +#define F_GET_FILE_RW_HINT 1037 +#define F_SET_FILE_RW_HINT 1038 + +#define RWF_WRITE_LIFE_NOT_SET 0 +#define RWH_WRITE_LIFE_NONE 1 +#define RWH_WRITE_LIFE_SHORT 2 +#define RWH_WRITE_LIFE_MEDIUM 3 +#define RWH_WRITE_LIFE_LONG 4 +#define RWH_WRITE_LIFE_EXTREME 5 + #define DN_ACCESS 0x00000001 #define DN_MODIFY 0x00000002 #define DN_CREATE 0x00000004 -- 2.25.1