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authorDavid Howells <dhowells@redhat.com>2012-10-13 13:46:48 +0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 13:46:48 +0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/fadvise.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
downloadlinux-607ca46e97a1b6594b29647d98a32d545c24bdff.tar.xz
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/fadvise.h')
-rw-r--r--include/uapi/linux/fadvise.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/uapi/linux/fadvise.h b/include/uapi/linux/fadvise.h
new file mode 100644
index 000000000000..e8e747139b9a
--- /dev/null
+++ b/include/uapi/linux/fadvise.h
@@ -0,0 +1,21 @@
+#ifndef FADVISE_H_INCLUDED
+#define FADVISE_H_INCLUDED
+
+#define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+#define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+#define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+#define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+
+/*
+ * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
+ * for s390-64 differ from the values for the rest of the world.
+ */
+#if defined(__s390x__)
+#define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
+#define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
+#else
+#define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+#define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
+
+#endif /* FADVISE_H_INCLUDED */