patch-2.4.20 linux-2.4.20/fs/jfs/jfs_defragfs.h

• Lines: 52
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/fs/jfs/jfs_defragfs.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/fs/jfs/jfs_defragfs.h linux-2.4.20/fs/jfs/jfs_defragfs.h
@@ -0,0 +1,51 @@
+/*
+ *   Copyright (c) International Business Machines Corp., 2000-2001
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or 
+ *   (at your option) any later version.
+ * 
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software 
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef	_H_JFS_DEFRAGFS
+#define _H_JFS_DEFRAGFS
+
+/*
+ *	defragfs parameter list
+ */
+struct defragfs {
+	uint flag;		/* 4: */
+	u8 dev;			/* 1: */
+	u8 pad[3];		/* 3: */
+	s32 fileset;		/* 4: */
+	u32 inostamp;		/* 4: */
+	u32 ino;		/* 4: */
+	u32 gen;		/* 4: */
+	s64 xoff;		/* 8: */
+	s64 old_xaddr;		/* 8: */
+	s64 new_xaddr;		/* 8: */
+	s32 xlen;		/* 4: */
+};
+
+/* plist flag */
+#define DEFRAGFS_SYNC		0x80000000
+#define DEFRAGFS_COMMIT		0x40000000
+#define DEFRAGFS_RELOCATE	0x10000000
+
+#define	INODE_TYPE		0x0000F000	/* IFREG or IFDIR */
+
+#define EXTENT_TYPE		0x000000ff
+#define DTPAGE			0x00000001
+#define XTPAGE			0x00000002
+#define DATAEXT			0x00000004
+#define EAEXT			0x00000008
+
+#endif				/* _H_JFS_DEFRAGFS */