pipe: add support for shrinking and growing pipes

[linux-2.6-block.git] / include / linux / fcntl.h

diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 86037400a6e380f8ec5b1bd31acc6ebfbb296bd1..afc00af3229b5c6a6d0d7367edd32457b6784e14 100644 (file)
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -21,6 +21,12 @@
  */
 #define F_NOTIFY       (F_LINUX_SPECIFIC_BASE+2)
 
+/*
+ * Set and get of pipe page size array
+ */
+#define F_SETPIPE_SZ   (F_LINUX_SPECIFIC_BASE + 7)
+#define F_GETPIPE_SZ   (F_LINUX_SPECIFIC_BASE + 8)
+
 /*
  * Types of directory notifications that may be requested.
  */