201 		.startoff1		= XFS_B_TO_FSBT(mp, fxr->file1_offset),  in xfs_exchrange_mappings()
358 	if (fxr->file1_offset > size1 || fxr->file2_offset > size2)  in xfs_exchange_range_checks()
367 		fxr->length = max_t(int64_t, size1 - fxr->file1_offset,  in xfs_exchange_range_checks()
373 		if (fxr->file1_offset + fxr->length > size1 ||  in xfs_exchange_range_checks()
382 	if (!IS_ALIGNED(fxr->file1_offset, alloc_unit) ||  in xfs_exchange_range_checks()
387 	if (check_add_overflow(fxr->file1_offset, fxr->length, &tmp) ||  in xfs_exchange_range_checks()
401 	error = generic_write_check_limits(fxr->file1, fxr->file1_offset,  in xfs_exchange_range_checks()
416 	if (fxr->file1_offset + fxr->length == size1)  in xfs_exchange_range_checks()
417 		blen = ALIGN(size1, alloc_unit) - fxr->file1_offset;  in xfs_exchange_range_checks()
427 	    fxr->file2_offset + blen > fxr->file1_offset &&  in xfs_exchange_range_checks()
428 	    fxr->file1_offset + blen > fxr->file2_offset)  in xfs_exchange_range_checks()
442 	if (fxr->file1_offset + blen < size1)  in xfs_exchange_range_checks()
474 			fxr->file1_offset,  in xfs_exchange_range_prep()
475 			fxr->file1_offset + fxr->length - 1);  in xfs_exchange_range_prep()
536 	if (!isaligned_64(fxr->file1_offset, alloc_unit) ||  in xfs_exchrange_check_rtalign()
541 		length = max_t(int64_t, size1 - fxr->file1_offset,  in xfs_exchrange_check_rtalign()
553 	if (fxr->file1_offset + length == size1)  in xfs_exchrange_check_rtalign()
554 		blen = roundup_64(size1, alloc_unit) - fxr->file1_offset;  in xfs_exchrange_check_rtalign()
564 	    fxr->file2_offset + blen > fxr->file1_offset &&  in xfs_exchrange_check_rtalign()
565 	    fxr->file1_offset + blen > fxr->file2_offset)  in xfs_exchrange_check_rtalign()
579 	if (fxr->file1_offset + blen < size1)  in xfs_exchrange_check_rtalign()
639 	error = xfs_flush_unmap_range(ip1, fxr->file1_offset, fxr->length);  in xfs_exchrange_prep()
649 		error = xfs_reflink_cancel_cow_range(ip1, fxr->file1_offset,  in xfs_exchrange_prep()
767 	ret = remap_verify_area(fxr->file1, fxr->file1_offset, check_len, true);  in xfs_exchange_range()
810 	fxr.file1_offset	= args.file1_offset;  in xfs_ioc_exchange_range()
906 	fxr.file1_offset	= args.file1_offset;  in xfs_ioc_commit_range()