include/xfs_metadump.h

   1 /*
   2  * Copyright (c) 2007 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #ifndef _XFS_METADUMP_H_
  20 #define _XFS_METADUMP_H_
  21
  22 #define XFS_MD_MAGIC            0x5846534d      /* 'XFSM' */
  23
  24 typedef struct xfs_metablock {
  25         __be32          mb_magic;
  26         __be16          mb_count;
  27         uint8_t         mb_blocklog;
  28         uint8_t         mb_info;
  29         /* followed by an array of xfs_daddr_t */
  30 } xfs_metablock_t;
  31
  32 /* These flags are informational only, not backwards compatible */
  33 #define XFS_METADUMP_INFO_FLAGS (1 << 0) /* This image has informative flags */
  34 #define XFS_METADUMP_OBFUSCATED (1 << 1)
  35 #define XFS_METADUMP_FULLBLOCKS (1 << 2)
  36 #define XFS_METADUMP_DIRTYLOG   (1 << 3)
  37
  38 #endif /* _XFS_METADUMP_H_ */