37 	xfs_bmbt_irec_t	*imap)  in xfs_alert_fsblock_zero()  argument
44 		(unsigned long long)imap->br_startblock,  in xfs_alert_fsblock_zero()
45 		(unsigned long long)imap->br_startoff,  in xfs_alert_fsblock_zero()
46 		(unsigned long long)imap->br_blockcount,  in xfs_alert_fsblock_zero()
47 		imap->br_state);  in xfs_alert_fsblock_zero()
94 	struct xfs_bmbt_irec	*imap,  in xfs_bmbt_to_iomap()  argument
102 	if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock)))  in xfs_bmbt_to_iomap()
103 		return xfs_alert_fsblock_zero(ip, imap);  in xfs_bmbt_to_iomap()
105 	if (imap->br_startblock == HOLESTARTBLOCK) {  in xfs_bmbt_to_iomap()
108 	} else if (imap->br_startblock == DELAYSTARTBLOCK ||  in xfs_bmbt_to_iomap()
109 		   isnullstartblock(imap->br_startblock)) {  in xfs_bmbt_to_iomap()
113 		iomap->addr = BBTOB(xfs_fsb_to_db(ip, imap->br_startblock));  in xfs_bmbt_to_iomap()
117 		if (imap->br_state == XFS_EXT_UNWRITTEN)  in xfs_bmbt_to_iomap()
123 	iomap->offset = XFS_FSB_TO_B(mp, imap->br_startoff);  in xfs_bmbt_to_iomap()
124 	iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);  in xfs_bmbt_to_iomap()
241 	struct xfs_bmbt_irec	*imap,  in xfs_iomap_write_direct()  argument
285 		if (imap->br_state == XFS_EXT_UNWRITTEN) {  in xfs_iomap_write_direct()
309 				imap, &nimaps);  in xfs_iomap_write_direct()
320 	if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock)))  in xfs_iomap_write_direct()
321 		error = xfs_alert_fsblock_zero(ip, imap);  in xfs_iomap_write_direct()
551 	xfs_bmbt_irec_t imap;  in xfs_iomap_write_unwritten()  local
608 					XFS_BMAPI_CONVERT, resblks, &imap,  in xfs_iomap_write_unwritten()
634 		if (unlikely(!xfs_valid_startblock(ip, imap.br_startblock)))  in xfs_iomap_write_unwritten()
635 			return xfs_alert_fsblock_zero(ip, &imap);  in xfs_iomap_write_unwritten()
637 		if ((numblks_fsb = imap.br_blockcount) == 0) {  in xfs_iomap_write_unwritten()
642 			ASSERT(imap.br_blockcount);  in xfs_iomap_write_unwritten()
661 	struct xfs_bmbt_irec	*imap,  in imap_needs_alloc()  argument
668 	    imap->br_startblock == HOLESTARTBLOCK ||  in imap_needs_alloc()
669 	    imap->br_startblock == DELAYSTARTBLOCK)  in imap_needs_alloc()
672 	if ((flags & IOMAP_DAX) && imap->br_state == XFS_EXT_UNWRITTEN)  in imap_needs_alloc()
681 	struct xfs_bmbt_irec	*imap,  in imap_needs_cow()  argument
690 		    imap->br_startblock == HOLESTARTBLOCK ||  in imap_needs_cow()
691 		    imap->br_state == XFS_EXT_UNWRITTEN)  in imap_needs_cow()
754 	struct xfs_bmbt_irec	*imap,  in imap_spans_range()  argument
758 	if (imap->br_startoff > offset_fsb)  in imap_spans_range()
760 	if (imap->br_startoff + imap->br_blockcount < end_fsb)  in imap_spans_range()
776 	struct xfs_bmbt_irec	imap, cmap;  in xfs_direct_write_iomap_begin()  local
802 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_direct_write_iomap_begin()
807 	if (imap_needs_cow(ip, flags, &imap, nimaps)) {  in xfs_direct_write_iomap_begin()
813 		error = xfs_reflink_allocate_cow(ip, &imap, &cmap, &shared,  in xfs_direct_write_iomap_begin()
820 		end_fsb = imap.br_startoff + imap.br_blockcount;  in xfs_direct_write_iomap_begin()
824 	if (imap_needs_alloc(inode, flags, &imap, nimaps))  in xfs_direct_write_iomap_begin()
835 		if (!imap_spans_range(&imap, offset_fsb, end_fsb))  in xfs_direct_write_iomap_begin()
847 		if (imap.br_state != XFS_EXT_NORM &&  in xfs_direct_write_iomap_begin()
854 	trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_direct_write_iomap_begin()
855 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, iomap_flags, seq);  in xfs_direct_write_iomap_begin()
876 	else if (nimaps && imap.br_startblock == HOLESTARTBLOCK)  in xfs_direct_write_iomap_begin()
877 		end_fsb = min(end_fsb, imap.br_startoff + imap.br_blockcount);  in xfs_direct_write_iomap_begin()
881 			flags, &imap, &seq);  in xfs_direct_write_iomap_begin()
885 	trace_xfs_iomap_alloc(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_direct_write_iomap_begin()
886 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,  in xfs_direct_write_iomap_begin()
892 	if (imap.br_startblock != HOLESTARTBLOCK) {  in xfs_direct_write_iomap_begin()
894 		error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0, seq);  in xfs_direct_write_iomap_begin()
952 	struct xfs_bmbt_irec	imap, cmap;  in xfs_buffered_write_iomap_begin()  local
997 	eof = !xfs_iext_lookup_extent(ip, &ip->i_df, offset_fsb, &icur, &imap);  in xfs_buffered_write_iomap_begin()
999 		imap.br_startoff = end_fsb; /* fake hole until the end */  in xfs_buffered_write_iomap_begin()
1003 	    imap.br_startoff > offset_fsb) {  in xfs_buffered_write_iomap_begin()
1004 		xfs_hole_to_iomap(ip, iomap, offset_fsb, imap.br_startoff);  in xfs_buffered_write_iomap_begin()
1013 	if ((flags & IOMAP_ZERO) && imap.br_startoff <= offset_fsb &&  in xfs_buffered_write_iomap_begin()
1014 	    isnullstartblock(imap.br_startblock)) {  in xfs_buffered_write_iomap_begin()
1021 			xfs_trim_extent(&imap, offset_fsb,  in xfs_buffered_write_iomap_begin()
1047 	if (imap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
1054 		    ((flags & IOMAP_ZERO) && imap.br_state != XFS_EXT_NORM)) {  in xfs_buffered_write_iomap_begin()
1056 					&imap);  in xfs_buffered_write_iomap_begin()
1060 		xfs_trim_extent(&imap, offset_fsb, end_fsb - offset_fsb);  in xfs_buffered_write_iomap_begin()
1063 		error = xfs_bmap_trim_cow(ip, &imap, &shared);  in xfs_buffered_write_iomap_begin()
1070 					&imap);  in xfs_buffered_write_iomap_begin()
1079 		end_fsb = imap.br_startoff + imap.br_blockcount;  in xfs_buffered_write_iomap_begin()
1142 			end_fsb - offset_fsb, prealloc_blocks, &imap, &icur,  in xfs_buffered_write_iomap_begin()
1153 	trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);  in xfs_buffered_write_iomap_begin()
1154 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, IOMAP_F_NEW, seq);  in xfs_buffered_write_iomap_begin()
1159 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0, seq);  in xfs_buffered_write_iomap_begin()
1169 	trace_xfs_iomap_alloc(ip, offset, count, XFS_DATA_FORK, &imap);  in xfs_buffered_write_iomap_begin()
1174 	if (imap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
1175 		error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0, seq);  in xfs_buffered_write_iomap_begin()
1184 	xfs_trim_extent(&cmap, offset_fsb, imap.br_startoff - offset_fsb);  in xfs_buffered_write_iomap_begin()
1251 	struct xfs_bmbt_irec	imap;  in xfs_read_iomap_begin()  local
1267 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_read_iomap_begin()
1270 		error = xfs_reflink_trim_around_shared(ip, &imap, &shared);  in xfs_read_iomap_begin()
1276 	trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_read_iomap_begin()
1277 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,  in xfs_read_iomap_begin()
1300 	struct xfs_bmbt_irec	imap, cmap;  in xfs_seek_iomap_begin()  local
1313 	if (xfs_iext_lookup_extent(ip, &ip->i_df, offset_fsb, &icur, &imap)) {  in xfs_seek_iomap_begin()
1317 		if (imap.br_startoff <= offset_fsb)  in xfs_seek_iomap_begin()
1319 		data_fsb = imap.br_startoff;  in xfs_seek_iomap_begin()
1354 		imap.br_blockcount = cow_fsb - offset_fsb;  in xfs_seek_iomap_begin()
1356 		imap.br_blockcount = data_fsb - offset_fsb;  in xfs_seek_iomap_begin()
1357 	imap.br_startoff = offset_fsb;  in xfs_seek_iomap_begin()
1358 	imap.br_startblock = HOLESTARTBLOCK;  in xfs_seek_iomap_begin()
1359 	imap.br_state = XFS_EXT_NORM;  in xfs_seek_iomap_begin()
1362 	xfs_trim_extent(&imap, offset_fsb, end_fsb - offset_fsb);  in xfs_seek_iomap_begin()
1363 	error = xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0, seq);  in xfs_seek_iomap_begin()
1386 	struct xfs_bmbt_irec	imap;  in xfs_xattr_iomap_begin()  local
1403 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_xattr_iomap_begin()
1413 	return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, IOMAP_F_XATTR, seq);  in xfs_xattr_iomap_begin()