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-rw-r--r--kernel/include/linux/fcntl.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/include/linux/fcntl.h b/kernel/include/linux/fcntl.h
new file mode 100644
index 000000000..76ce329e6
--- /dev/null
+++ b/kernel/include/linux/fcntl.h
@@ -0,0 +1,31 @@
+#ifndef _LINUX_FCNTL_H
+#define _LINUX_FCNTL_H
+
+#include <uapi/linux/fcntl.h>
+
+
+#ifndef force_o_largefile
+#define force_o_largefile() (BITS_PER_LONG != 32)
+#endif
+
+#if BITS_PER_LONG == 32
+#define IS_GETLK32(cmd) ((cmd) == F_GETLK)
+#define IS_SETLK32(cmd) ((cmd) == F_SETLK)
+#define IS_SETLKW32(cmd) ((cmd) == F_SETLKW)
+#define IS_GETLK64(cmd) ((cmd) == F_GETLK64)
+#define IS_SETLK64(cmd) ((cmd) == F_SETLK64)
+#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64)
+#else
+#define IS_GETLK32(cmd) (0)
+#define IS_SETLK32(cmd) (0)
+#define IS_SETLKW32(cmd) (0)
+#define IS_GETLK64(cmd) ((cmd) == F_GETLK)
+#define IS_SETLK64(cmd) ((cmd) == F_SETLK)
+#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW)
+#endif /* BITS_PER_LONG == 32 */
+
+#define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd))
+#define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd))
+#define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
+
+#endif