struct omfs_super_block { char s_fill1[256];
__be64 s_root_block; /* block number of omfs_root_block */
__be64 s_num_blocks; /* total number of FS blocks */
__be32 s_magic; /* OMFS_MAGIC */
__be32 s_blocksize; /* size of a block */
__be32 s_mirrors; /* # of mirrors of system blocks */
__be32 s_sys_blocksize; /* size of non-data blocks */
};
struct omfs_header {
__be64 h_self; /* FS block where this is located */
__be32 h_body_size; /* size of useful data after header */
__be16 h_crc; /* crc-ccitt of body_size bytes */ char h_fill1[2];
u8 h_version; /* version, always 1 */ char h_type; /* OMFS_INODE_X */
u8 h_magic; /* OMFS_IMAGIC */
u8 h_check_xor; /* XOR of header bytes before this */
__be32 h_fill2;
};
struct omfs_root_block { struct omfs_header r_head; /* header */
__be64 r_fill1;
__be64 r_num_blocks; /* total number of FS blocks */
__be64 r_root_dir; /* block # of root directory */
__be64 r_bitmap; /* block # of free space bitmap */
__be32 r_blocksize; /* size of a block */
__be32 r_clustersize; /* size allocated for data blocks */
__be64 r_mirrors; /* # of mirrors of system blocks */ char r_name[OMFS_NAMELEN]; /* partition label */
};
struct omfs_inode { struct omfs_header i_head; /* header */
__be64 i_parent; /* parent containing this inode */
__be64 i_sibling; /* next inode in hash bucket */
__be64 i_ctime; /* ctime, in milliseconds */ char i_fill1[35]; char i_type; /* OMFS_[DIR,FILE] */
__be32 i_fill2; char i_fill3[64]; char i_name[OMFS_NAMELEN]; /* filename */
__be64 i_size; /* size of file, in bytes */
};
struct omfs_extent_entry {
__be64 e_cluster; /* start location of a set of blocks */
__be64 e_blocks; /* number of blocks after e_cluster */
};
struct omfs_extent {
__be64 e_next; /* next extent table location */
__be32 e_extent_count; /* total # extents in this table */
__be32 e_fill; struct omfs_extent_entry e_entry[]; /* start of extent entries */
};
#endif
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