fs/sysvbfs/bfs.c

104 	DPRINTF(debug, "bfs super block + inode area = %zd\n", memsize);
177 	struct bfs_inode *inode, *root_inode;
185 	bfs->inode = (struct bfs_inode *)(p + sizeof(struct bfs_super_block));
189 	inode = bfs->inode;
191 	for (i = 0; i < bfs->max_inode; i++, inode++) {
192 		if (inode->number != 0) {
194 			if (inode->number == BFS_ROOT_INODE)
195 				root_inode = inode;
198 	DPRINTF(bfs->debug, "inode: %d/%d\n", bfs->n_inode, bfs->max_inode);
205 	DPRINTF(bfs->debug, "root inode: %d-%d\n", root_inode->start_sector,
219 	struct bfs_inode *inode = bfs->root_inode;
222 	n = inode->end_sector - inode->start_sector + 1;
225 	    bfs->start_sector + inode->start_sector, n))
234 		if (file->inode != 0)
285 		struct bfs_inode *inode;
286 		if (!bfs_inode_lookup(bfs, dirent->inode, &inode)) {
287 			DPRINTF(bfs->debug, "%s: dirent found, but inode "
292 		attr = inode->attr;	/* copy old attribute */
313 	struct bfs_inode *inode;
319 	if (!bfs_inode_lookup(bfs, dirent->inode, &inode))
323 	memset(inode, 0, sizeof *inode);
328 	bfs_writeback_inode(bfs, inode);
360 	struct bfs_inode *inode;
367 	if ((err = bfs_inode_alloc(bfs, &inode, &j, &start)) != 0)
382 		if (file->inode == 0)
390 	memset(inode, 0, sizeof *inode);
391 	inode->number = j;
392 	inode->start_sector = start;
393 	inode->end_sector = start + n;
394 	inode->eof_offset_byte = start * DEV_BSIZE + bufsz - 1;
396 	inode->attr.type = 1;
397 	inode->attr.mode = 0;
398 	inode->attr.nlink = 1;
399 	bfs_inode_set_attr(bfs, inode, attr);
403 	file->inode = inode->number;
407 	    inode->start_sector, inode->end_sector);
413 		for (i = inode->start_sector; i < inode->end_sector; i++) {
429 	bfs_writeback_inode(bfs, inode);
449 	/* update root directory inode */
471 bfs_writeback_inode(const struct bfs *bfs, struct bfs_inode *inode)
473 	struct bfs_inode *inode_base = bfs->inode;
476 	i = ((inode - inode_base) * sizeof *inode) >> DEV_BSHIFT;
487 	struct bfs_inode *inode;
492 	if (!bfs_inode_lookup(bfs, dirent->inode, &inode))
496 		*start = inode->start_sector + bfs->start_sector;
498 		*end = inode->end_sector + bfs->start_sector;
500 		*size = bfs_file_size(inode);
503 	    fname, bfs->start_sector, inode->start_sector,
504 	    inode->end_sector, *size);
510 bfs_dirent_lookup_by_inode(const struct bfs *bfs, int inode,
517 		if (file->inode == inode)
536 		if ((file->inode != 0) &&
551 	struct bfs_inode *inode;
554 	for (inode = bfs->inode, i = 0; i < bfs->max_inode; i++, inode++)
555 		if (inode->number == n)
561 	*iinode = inode;
567 bfs_file_size(const struct bfs_inode *inode)
570 	return inode->eof_offset_byte - inode->start_sector * DEV_BSIZE + 1;
577 	struct bfs_inode *jnode, *inode;
581 	inode = bfs->inode;
584 	for (i = BFS_ROOT_INODE; i < bfs->max_inode; i++, inode++) {
590 		if (jnode == 0 && (inode->number == 0))
591 			jnode = inode;
594 		if (inode->number != 0) {
595 			if (inode->end_sector > start)
596 				start = inode->end_sector;
597 			if (inode->number == j)
624 bfs_inode_set_attr(const struct bfs *bfs, struct bfs_inode *inode,
627 	struct bfs_fileattr *to = &inode->attr;
643 	bfs_writeback_inode(bfs, inode);
658 	const struct bfs_inode *inode;
670 	DPRINTF(bfs->debug, "super block %zdbyte, inode %zdbyte, dirent %zdbyte\n",
671 	    sizeof *bfs->super_block, sizeof *inode, sizeof *file);
683 	/* inode list */
684 	DPRINTF(bfs->debug, "[inode index list]\n");
685 	for (inode = bfs->inode, i = j = 0; i < bfs->max_inode; inode++, i++) {
686 		if (inode->number != 0) {
687 			const struct bfs_fileattr *attr = &inode->attr;
689 			    inode->number,
690 			    inode->eof_offset_byte -
691 			    (inode->start_sector * DEV_BSIZE) + 1,/* file size*/
692 			    inode->start_sector,
693 			    inode->end_sector, i);
712 		if (file->inode != 0) {
715 				    file->inode, file->name, s, e, bytes);