279 	struct btrfs_path *path;  in btrfs_check_file()
291 	path = btrfs_alloc_path();  in btrfs_check_file()
292 	ret = btrfs_lookup_file_extent(NULL, root, path, inode->i_ino,  in btrfs_check_file()
295 		nritems = btrfs_header_nritems(path->nodes[0]);  in btrfs_check_file()
296 		if (path->slots[0] >= nritems) {  in btrfs_check_file()
297 			ret = btrfs_next_leaf(root, path);  in btrfs_check_file()
300 			nritems = btrfs_header_nritems(path->nodes[0]);  in btrfs_check_file()
302 		slot = path->slots[0];  in btrfs_check_file()
303 		leaf = path->nodes[0];  in btrfs_check_file()
335 		path->slots[0]++;  in btrfs_check_file()
347 	btrfs_free_path(path);  in btrfs_check_file()
382 	struct btrfs_path *path;  in btrfs_drop_extents()  local
397 	path = btrfs_alloc_path();  in btrfs_drop_extents()
398 	if (!path)  in btrfs_drop_extents()
402 		btrfs_release_path(root, path);  in btrfs_drop_extents()
403 		ret = btrfs_lookup_file_extent(trans, root, path, inode->i_ino,  in btrfs_drop_extents()
408 			if (path->slots[0] == 0) {  in btrfs_drop_extents()
412 			path->slots[0]--;  in btrfs_drop_extents()
425 		leaf = path->nodes[0];  in btrfs_drop_extents()
426 		slot = path->slots[0];  in btrfs_drop_extents()
480 				nextret = btrfs_next_leaf(root, path);  in btrfs_drop_extents()
485 				path->slots[0]++;  in btrfs_drop_extents()
513 					btrfs_release_path(root, path);  in btrfs_drop_extents()
522 			orig_parent = path->nodes[0]->start;  in btrfs_drop_extents()
572 					btrfs_truncate_item(trans, root, path,  in btrfs_drop_extents()
582 			ret = btrfs_del_item(trans, root, path);  in btrfs_drop_extents()
586 			btrfs_release_path(root, path);  in btrfs_drop_extents()
597 				ret = btrfs_truncate_item(trans, root, path,  in btrfs_drop_extents()
608 			btrfs_release_path(root, path);  in btrfs_drop_extents()
609 			ret = btrfs_insert_empty_item(trans, root, path, &ins,  in btrfs_drop_extents()
613 			leaf = path->nodes[0];  in btrfs_drop_extents()
614 			extent = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_drop_extents()
642 			btrfs_mark_buffer_dirty(path->nodes[0]);  in btrfs_drop_extents()
653 			btrfs_release_path(root, path);  in btrfs_drop_extents()
680 	btrfs_free_path(path);  in btrfs_drop_extents()
732 	struct btrfs_path *path;  in btrfs_mark_extent_written()  local
750 	path = btrfs_alloc_path();  in btrfs_mark_extent_written()
751 	BUG_ON(!path);  in btrfs_mark_extent_written()
760 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);  in btrfs_mark_extent_written()
761 	if (ret > 0 && path->slots[0] > 0)  in btrfs_mark_extent_written()
762 		path->slots[0]--;  in btrfs_mark_extent_written()
764 	leaf = path->nodes[0];  in btrfs_mark_extent_written()
765 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in btrfs_mark_extent_written()
768 	fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
789 		if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino,  in btrfs_mark_extent_written()
792 			del_slot = path->slots[0] + 1;  in btrfs_mark_extent_written()
801 		if (extent_mergeable(leaf, path->slots[0] - 1, inode->i_ino,  in btrfs_mark_extent_written()
804 			del_slot = path->slots[0];  in btrfs_mark_extent_written()
825 		ret = btrfs_del_items(trans, root, path, del_slot, del_nr);  in btrfs_mark_extent_written()
833 				btrfs_release_path(root, path);  in btrfs_mark_extent_written()
849 		btrfs_set_item_key_safe(trans, root, path, &key);  in btrfs_mark_extent_written()
860 		if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino,  in btrfs_mark_extent_written()
862 			path->slots[0]++;  in btrfs_mark_extent_written()
863 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
866 			btrfs_set_item_key_safe(trans, root, path, &key);  in btrfs_mark_extent_written()
876 		if (extent_mergeable(leaf, path->slots[0] - 1 , inode->i_ino,  in btrfs_mark_extent_written()
878 			path->slots[0]--;  in btrfs_mark_extent_written()
879 			fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
894 	btrfs_release_path(root, path);  in btrfs_mark_extent_written()
897 	ret = btrfs_insert_empty_item(trans, root, path, &key, sizeof(*fi));  in btrfs_mark_extent_written()
900 	leaf = path->nodes[0];  in btrfs_mark_extent_written()
901 	fi = btrfs_item_ptr(leaf, path->slots[0],  in btrfs_mark_extent_written()
923 	btrfs_release_path(root, path);  in btrfs_mark_extent_written()
932 	btrfs_free_path(path);  in btrfs_mark_extent_written()