4 * Copyright (C) 2001 Will Dyson <will_dyson@pobox.com>
13 * Validates the correctness of the befs inode
14 * Returns BEFS_OK if the inode should be used, otherwise
15 * returns BEFS_BAD_INODE
18 befs_check_inode(struct super_block
*sb
, befs_inode
*raw_inode
,
21 u32 magic1
= fs32_to_cpu(sb
, raw_inode
->magic1
);
22 befs_inode_addr ino_num
= fsrun_to_cpu(sb
, raw_inode
->inode_num
);
23 u32 flags
= fs32_to_cpu(sb
, raw_inode
->flags
);
25 /* check magic header. */
26 if (magic1
!= BEFS_INODE_MAGIC1
) {
28 "Inode has a bad magic header - inode = %lu",
29 (unsigned long)inode
);
30 return BEFS_BAD_INODE
;
34 * Sanity check2: inodes store their own block address. Check it.
36 if (inode
!= iaddr2blockno(sb
, &ino_num
)) {
37 befs_error(sb
, "inode blocknr field disagrees with vfs "
38 "VFS: %lu, Inode %lu", (unsigned long)
39 inode
, (unsigned long)iaddr2blockno(sb
, &ino_num
));
40 return BEFS_BAD_INODE
;
47 if (!(flags
& BEFS_INODE_IN_USE
)) {
48 befs_error(sb
, "inode is not used - inode = %lu",
49 (unsigned long)inode
);
50 return BEFS_BAD_INODE
;