about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/bits/fcntl-linux.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
index fc65fc2e4a..0c1a303039 100644
--- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
@@ -204,6 +204,11 @@
 # define F_GETPIPE_SZ	1032	/* Set pipe page size array.  */
 # define F_ADD_SEALS	1033	/* Add seals to file.  */
 # define F_GET_SEALS	1034	/* Get seals for file.  */
+/* Set / get write life time hints.  */
+# 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
 #endif
 #ifdef __USE_XOPEN2K8
 # define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
@@ -281,6 +286,16 @@ struct f_owner_ex
 # define F_SEAL_WRITE	0x0008	/* Prevent writes.  */
 #endif
 
+#ifdef __USE_GNU
+/* Hint values for F_{GET,SET}_RW_HINT.  */
+# 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
+#endif
+
 /* Define some more compatibility macros to be backward compatible with
    BSD systems which did not managed to hide these kernel macros.  */
 #ifdef	__USE_MISC