3348 				  struct inode *dst, u64 dst_loff,  in btrfs_cmp_data_prepare()  argument
3360 	ret = gather_extent_pages(dst, cmp->dst_pages, num_pages, dst_loff);  in btrfs_cmp_data_prepare()
3431 				   struct inode *dst, u64 dst_loff,  in btrfs_extent_same_range()  argument
3444 	ret = extent_same_check_offsets(dst, dst_loff, &len, olen);  in btrfs_extent_same_range()
3467 		if (dst_loff + len > loff && dst_loff < loff + len)  in btrfs_extent_same_range()
3470 		same_lock_start = min_t(u64, loff, dst_loff);  in btrfs_extent_same_range()
3471 		same_lock_len = max_t(u64, loff, dst_loff) + len - same_lock_start;  in btrfs_extent_same_range()
3485 		    dst_loff + len < i_size_read(dst)) {  in btrfs_extent_same_range()
3494 	ret = btrfs_cmp_data_prepare(src, loff, dst, dst_loff, olen, cmp);  in btrfs_extent_same_range()
3502 		ret = btrfs_double_extent_lock(src, loff, dst, dst_loff, len,  in btrfs_extent_same_range()
3523 			btrfs_wait_ordered_range(dst, dst_loff, len);  in btrfs_extent_same_range()
3537 		ret = btrfs_clone(src, dst, loff, olen, len, dst_loff, 1);  in btrfs_extent_same_range()
3543 		btrfs_double_extent_unlock(src, loff, dst, dst_loff, len);  in btrfs_extent_same_range()
3553 			     struct inode *dst, u64 dst_loff)  in btrfs_extent_same()  argument
3586 	if (same_inode && dst_loff < loff)  in btrfs_extent_same()
3587 		swap(loff, dst_loff);  in btrfs_extent_same()
3605 					      dst, dst_loff, &cmp);  in btrfs_extent_same()
3610 		dst_loff += BTRFS_MAX_DEDUPE_LEN;  in btrfs_extent_same()
3615 					      dst_loff, &cmp);  in btrfs_extent_same()
3631 			    struct file *dst_file, loff_t dst_loff,  in btrfs_dedupe_file_range()  argument
3647 	return btrfs_extent_same(src, src_loff, olen, dst, dst_loff);  in btrfs_dedupe_file_range()