198 		.startoff1		= XFS_B_TO_FSBT(mp, fxr->file1_offset),  in xfs_exchrange_mappings()
336 	ret = remap_verify_area(fxr->file1, fxr->file1_offset, fxr->length,  in xfs_exchange_range_verify_area()
372 	if (fxr->file1_offset > size1 || fxr->file2_offset > size2)  in xfs_exchange_range_checks()
380 		fxr->length = max_t(int64_t, size1 - fxr->file1_offset,  in xfs_exchange_range_checks()
392 	if (!IS_ALIGNED(fxr->file1_offset, alloc_unit) ||  in xfs_exchange_range_checks()
397 	if (check_add_overflow(fxr->file1_offset, fxr->length, &tmp) ||  in xfs_exchange_range_checks()
406 	    (fxr->file1_offset + fxr->length > size1 ||  in xfs_exchange_range_checks()
420 	error = generic_write_check_limits(fxr->file1, fxr->file1_offset,  in xfs_exchange_range_checks()
435 	if (fxr->file1_offset + fxr->length == size1)  in xfs_exchange_range_checks()
436 		blen = ALIGN(size1, alloc_unit) - fxr->file1_offset;  in xfs_exchange_range_checks()
446 	    fxr->file2_offset + blen > fxr->file1_offset &&  in xfs_exchange_range_checks()
447 	    fxr->file1_offset + blen > fxr->file2_offset)  in xfs_exchange_range_checks()
461 	if (fxr->file1_offset + blen < size1)  in xfs_exchange_range_checks()
493 			fxr->file1_offset,  in xfs_exchange_range_prep()
494 			fxr->file1_offset + fxr->length - 1);  in xfs_exchange_range_prep()
555 	if (!isaligned_64(fxr->file1_offset, alloc_unit) ||  in xfs_exchrange_check_rtalign()
560 		length = max_t(int64_t, size1 - fxr->file1_offset,  in xfs_exchrange_check_rtalign()
572 	if (fxr->file1_offset + length == size1)  in xfs_exchrange_check_rtalign()
573 		blen = roundup_64(size1, alloc_unit) - fxr->file1_offset;  in xfs_exchrange_check_rtalign()
583 	    fxr->file2_offset + blen > fxr->file1_offset &&  in xfs_exchrange_check_rtalign()
584 	    fxr->file1_offset + blen > fxr->file2_offset)  in xfs_exchrange_check_rtalign()
598 	if (fxr->file1_offset + blen < size1)  in xfs_exchrange_check_rtalign()
658 	error = xfs_flush_unmap_range(ip1, fxr->file1_offset, fxr->length);  in xfs_exchrange_prep()
668 		error = xfs_reflink_cancel_cow_range(ip1, fxr->file1_offset,  in xfs_exchrange_prep()
826 	fxr.file1_offset	= args.file1_offset;  in xfs_ioc_exchange_range()
926 	fxr.file1_offset	= args.file1_offset;  in xfs_ioc_commit_range()