diff options
Diffstat (limited to 'usr/kinit/fstype/xfs_sb.h')
| -rw-r--r-- | usr/kinit/fstype/xfs_sb.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/usr/kinit/fstype/xfs_sb.h b/usr/kinit/fstype/xfs_sb.h new file mode 100644 index 0000000..fd54bc4 --- /dev/null +++ b/usr/kinit/fstype/xfs_sb.h @@ -0,0 +1,21 @@ +#ifndef __XFS_SB_H +#define __XFS_SB_H + +/* + * Super block + * Fits into a sector-sized buffer at address 0 of each allocation group. + * Only the first of these is ever updated except during growfs. + */ + +struct xfs_buf; +struct xfs_mount; + +#define XFS_SB_MAGIC 0x58465342 /* 'XFSB' */ + +typedef struct xfs_sb { + __u32 sb_magicnum; /* magic number == XFS_SB_MAGIC */ + __u32 sb_blocksize; /* logical block size, bytes */ + __u64 sb_dblocks; /* number of data blocks */ +} xfs_sb_t; + +#endif /* __XFS_SB_H */ |