jfs_defragfs.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * 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 */