332 static int btrfs_clone(struct inode *src, struct inode *inode,  in btrfs_clone()  argument
362 	key.objectid = btrfs_ino(BTRFS_I(src));  in btrfs_clone()
378 		ret = btrfs_search_slot(NULL, BTRFS_I(src)->root, &key, path,  in btrfs_clone()
397 			ret = btrfs_next_leaf(BTRFS_I(src)->root, path);  in btrfs_clone()
409 		    key.objectid != btrfs_ino(BTRFS_I(src)))  in btrfs_clone()
547 			BTRFS_I(src)->last_reflink_trans = trans->transid;  in btrfs_clone()
658 static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,  in btrfs_extent_same_range()  argument
661 	struct btrfs_fs_info *fs_info = BTRFS_I(src)->root->fs_info;  in btrfs_extent_same_range()
669 	btrfs_double_extent_lock(src, loff, dst, dst_loff, len);  in btrfs_extent_same_range()
670 	ret = btrfs_clone(src, dst, loff, len, ALIGN(len, bs), dst_loff, 1);  in btrfs_extent_same_range()
671 	btrfs_double_extent_unlock(src, loff, dst, dst_loff, len);  in btrfs_extent_same_range()
678 static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,  in btrfs_extent_same()  argument
701 		ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN,  in btrfs_extent_same()
711 		ret = btrfs_extent_same_range(src, loff, tail_len, dst, dst_loff);  in btrfs_extent_same()
724 	struct inode *src = file_inode(file_src);  in btrfs_clone_files()  local
737 	if (off + len == src->i_size)  in btrfs_clone_files()
738 		len = ALIGN(src->i_size, bs) - off;  in btrfs_clone_files()
765 	btrfs_double_extent_lock(src, off, inode, destoff, len);  in btrfs_clone_files()
766 	ret = btrfs_clone(src, inode, off, olen, len, destoff, 0);  in btrfs_clone_files()
767 	btrfs_double_extent_unlock(src, off, inode, destoff, len);  in btrfs_clone_files()