fs/btrfs/verity.c

115 	int ret;
125 			ret = PTR_ERR(trans);
137 		ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
138 		if (ret > 0) {
139 			ret = 0;
144 		} else if (ret < 0) {
161 		ret = btrfs_del_items(trans, root, path, path->slots[0], 1);
162 		if (ret) {
170 	ret = count;
174 	return ret;
189 	int ret;
191 	ret = drop_verity_items(inode, BTRFS_VERITY_DESC_ITEM_KEY);
192 	if (ret < 0)
193 		return ret;
194 	ret = drop_verity_items(inode, BTRFS_VERITY_MERKLE_ITEM_KEY);
195 	if (ret < 0)
196 		return ret;
227 	int ret = 0;
237 			ret = PTR_ERR(trans);
251 		ret = btrfs_insert_empty_item(trans, root, path, &key, copy_bytes);
252 		if (ret) {
271 	return ret;
311 	int ret;
324 	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
325 	if (ret < 0) {
327 	} else if (ret > 0) {
328 		ret = 0;
397 			ret = btrfs_next_leaf(root, path);
398 			if (ret < 0) {
400 			} else if (ret > 0) {
401 				ret = 0;
408 	if (!ret)
409 		ret = copied;
410 	return ret;
428 	int ret;
440 	ret = btrfs_del_orphan_item(trans, root, btrfs_ino(inode));
441 	if (ret == -ENOENT)
442 		ret = 0;
443 	return ret;
461 	int ret;
466 	ret = btrfs_drop_verity_items(inode);
467 	if (ret) {
468 		btrfs_handle_fs_error(root->fs_info, ret,
480 		ret = PTR_ERR(trans);
482 		btrfs_handle_fs_error(root->fs_info, ret,
489 	ret = btrfs_update_inode(trans, inode);
490 	if (ret) {
491 		btrfs_abort_transaction(trans, ret);
494 	ret = del_orphan(trans, inode);
495 	if (ret) {
496 		btrfs_abort_transaction(trans, ret);
502 	return ret;
529 	int ret;
534 	ret = write_key_bytes(inode, BTRFS_VERITY_DESC_ITEM_KEY, 0,
536 	if (ret)
540 	ret = write_key_bytes(inode, BTRFS_VERITY_DESC_ITEM_KEY, 1,
542 	if (ret)
551 		ret = PTR_ERR(trans);
556 	ret = btrfs_update_inode(trans, inode);
557 	if (ret)
559 	ret = del_orphan(trans, inode);
560 	if (ret)
567 	return ret;
586 	int ret;
599 	ret = btrfs_drop_verity_items(inode);
600 	if (ret)
601 		return ret;
608 	ret = btrfs_orphan_add(trans, inode);
609 	if (!ret)
633 	int ret = 0;
641 	ret = finish_verity(inode, desc, desc_size);
642 	if (ret)
644 	return ret;
651 	return ret;
670 	int ret = 0;
674 	ret = read_key_bytes(BTRFS_I(inode), BTRFS_VERITY_DESC_ITEM_KEY, 0,
676 	if (ret < 0)
677 		return ret;
691 	ret = read_key_bytes(BTRFS_I(inode), BTRFS_VERITY_DESC_ITEM_KEY, 1,
693 	if (ret < 0)
694 		return ret;
695 	if (ret != true_size)
720 	int ret;
749 	ret = filemap_add_folio(inode->i_mapping, folio, index, GFP_NOFS);
750 	if (ret) {
753 		if (ret == -EEXIST)
755 		return ERR_PTR(ret);
764 	ret = read_key_bytes(BTRFS_I(inode), BTRFS_VERITY_MERKLE_ITEM_KEY, off,
766 	if (ret < 0) {
768 		return ERR_PTR(ret);
770 	if (ret < PAGE_SIZE)
771 		folio_zero_segment(folio, ret, PAGE_SIZE);