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-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