fs/ocfs2/dir.c

136 	struct ocfs2_dir_block_trailer *trailer;
138 	trailer = ocfs2_trailer_from_bh(bh, inode->i_sb);
139 	strcpy(trailer->db_signature, OCFS2_DIR_TRAILER_SIGNATURE);
140 	trailer->db_compat_rec_len =
142 	trailer->db_parent_dinode = cpu_to_le64(OCFS2_I(inode)->ip_blkno);
143 	trailer->db_blkno = cpu_to_le64(bh->b_blocknr);
144 	trailer->db_free_rec_len = cpu_to_le16(rec_len);
147  * Link an unindexed block with a dir trailer structure into the index free
157 	struct ocfs2_dir_block_trailer *trailer;
165 	trailer = ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);
168 	trailer->db_free_next = dx_root->dr_free_blk;
422 	struct ocfs2_dir_block_trailer *trailer =
440 	 * doesn't have a trailer.  Filesystems without metaecc will do
443 	rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &trailer->db_check);
452  * Validate a directory trailer.
454  * We check the trailer here rather than in ocfs2_validate_dir_block()
460 	struct ocfs2_dir_block_trailer *trailer;
462 	trailer = ocfs2_trailer_from_bh(bh, dir->i_sb);
463 	if (!OCFS2_IS_VALID_DIR_TRAILER(trailer)) {
467 				 trailer->db_signature);
470 	if (le64_to_cpu(trailer->db_blkno) != bh->b_blocknr) {
474 				 (unsigned long long)le64_to_cpu(trailer->db_blkno));
477 	if (le64_to_cpu(trailer->db_parent_dinode) !=
483 				 (unsigned long long)le64_to_cpu(trailer->db_blkno));
1187 	char *trailer, *de_buf, *limit, *start = dirblock_bh->b_data;
1190 	trailer = (char *)ocfs2_trailer_from_bh(dirblock_bh, sb);
1196 		if (de_buf != trailer) {
1237 	struct ocfs2_dir_block_trailer *trailer;
1280 	trailer = ocfs2_trailer_from_bh(leaf_bh, dir->i_sb);
1281 	if (trailer->db_free_rec_len == 0)
1323 	trailer->db_free_rec_len = cpu_to_le16(max_rec_len);
1325 		trailer->db_free_next = dx_root->dr_free_blk;
1524 	struct ocfs2_dir_block_trailer *trailer, *prev;
1528 	trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);
1533 		dx_root->dr_free_blk = trailer->db_free_next;
1537 		prev->db_free_next = trailer->db_free_next;
1540 	trailer->db_free_rec_len = cpu_to_le16(0);
1541 	trailer->db_free_next = cpu_to_le64(0);
1555 	struct ocfs2_dir_block_trailer *trailer;
1565 		trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);
1566 		trailer->db_free_rec_len = cpu_to_le16(max_rec_len);
1648 		 * can't possibly have hit the trailer...right? */
1650 				"Hit dir trailer trying to insert %.*s "
1652 				"offset is %lu, trailer offset is %d\n",
2249 		 * insertion of '.' and '..'. The trailer wants this
2295 	struct ocfs2_dir_block_trailer *trailer =
2333 	if (le16_to_cpu(trailer->db_free_rec_len))
2710  * We add the dir trailer if this filesystem wants it.
2911 		 * Prepare the dir trailer up front. It will otherwise look