38 	xfs_bmbt_irec_t	*imap)  in xfs_alert_fsblock_zero()  argument
45 		(unsigned long long)imap->br_startblock,  in xfs_alert_fsblock_zero()
46 		(unsigned long long)imap->br_startoff,  in xfs_alert_fsblock_zero()
47 		(unsigned long long)imap->br_blockcount,  in xfs_alert_fsblock_zero()
48 		imap->br_state);  in xfs_alert_fsblock_zero()
56 	struct xfs_bmbt_irec	*imap,  in xfs_bmbt_to_iomap()  argument
62 	if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock)))  in xfs_bmbt_to_iomap()
63 		return xfs_alert_fsblock_zero(ip, imap);  in xfs_bmbt_to_iomap()
65 	if (imap->br_startblock == HOLESTARTBLOCK) {  in xfs_bmbt_to_iomap()
68 	} else if (imap->br_startblock == DELAYSTARTBLOCK ||  in xfs_bmbt_to_iomap()
69 		   isnullstartblock(imap->br_startblock)) {  in xfs_bmbt_to_iomap()
73 		iomap->addr = BBTOB(xfs_fsb_to_db(ip, imap->br_startblock));  in xfs_bmbt_to_iomap()
74 		if (imap->br_state == XFS_EXT_UNWRITTEN)  in xfs_bmbt_to_iomap()
79 	iomap->offset = XFS_FSB_TO_B(mp, imap->br_startoff);  in xfs_bmbt_to_iomap()
80 	iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);  in xfs_bmbt_to_iomap()
191 	struct xfs_bmbt_irec	*imap)  in xfs_iomap_write_direct()  argument
237 		if (imap->br_state == XFS_EXT_UNWRITTEN) {  in xfs_iomap_write_direct()
261 				imap, &nimaps);  in xfs_iomap_write_direct()
280 	if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock)))  in xfs_iomap_write_direct()
281 		error = xfs_alert_fsblock_zero(ip, imap);  in xfs_iomap_write_direct()
512 	xfs_bmbt_irec_t imap;  in xfs_iomap_write_unwritten()  local
569 					XFS_BMAPI_CONVERT, resblks, &imap,  in xfs_iomap_write_unwritten()
595 		if (unlikely(!xfs_valid_startblock(ip, imap.br_startblock)))  in xfs_iomap_write_unwritten()
596 			return xfs_alert_fsblock_zero(ip, &imap);  in xfs_iomap_write_unwritten()
598 		if ((numblks_fsb = imap.br_blockcount) == 0) {  in xfs_iomap_write_unwritten()
603 			ASSERT(imap.br_blockcount);  in xfs_iomap_write_unwritten()
622 	struct xfs_bmbt_irec	*imap,  in imap_needs_alloc()  argument
629 	    imap->br_startblock == HOLESTARTBLOCK ||  in imap_needs_alloc()
630 	    imap->br_startblock == DELAYSTARTBLOCK)  in imap_needs_alloc()
633 	if (IS_DAX(inode) && imap->br_state == XFS_EXT_UNWRITTEN)  in imap_needs_alloc()
642 	struct xfs_bmbt_irec	*imap,  in imap_needs_cow()  argument
651 		    imap->br_startblock == HOLESTARTBLOCK ||  in imap_needs_cow()
652 		    imap->br_state == XFS_EXT_UNWRITTEN)  in imap_needs_cow()
715 	struct xfs_bmbt_irec	*imap,  in imap_spans_range()  argument
719 	if (imap->br_startoff > offset_fsb)  in imap_spans_range()
721 	if (imap->br_startoff + imap->br_blockcount < end_fsb)  in imap_spans_range()
737 	struct xfs_bmbt_irec	imap, cmap;  in xfs_direct_write_iomap_begin()  local
762 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_direct_write_iomap_begin()
767 	if (imap_needs_cow(ip, flags, &imap, nimaps)) {  in xfs_direct_write_iomap_begin()
773 		error = xfs_reflink_allocate_cow(ip, &imap, &cmap, &shared,  in xfs_direct_write_iomap_begin()
779 		end_fsb = imap.br_startoff + imap.br_blockcount;  in xfs_direct_write_iomap_begin()
783 	if (imap_needs_alloc(inode, flags, &imap, nimaps))  in xfs_direct_write_iomap_begin()
793 	    !imap_spans_range(&imap, offset_fsb, end_fsb)) {  in xfs_direct_write_iomap_begin()
799 	trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_direct_write_iomap_begin()
800 	return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags);  in xfs_direct_write_iomap_begin()
821 	else if (nimaps && imap.br_startblock == HOLESTARTBLOCK)  in xfs_direct_write_iomap_begin()
822 		end_fsb = min(end_fsb, imap.br_startoff + imap.br_blockcount);  in xfs_direct_write_iomap_begin()
826 			&imap);  in xfs_direct_write_iomap_begin()
830 	trace_xfs_iomap_alloc(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_direct_write_iomap_begin()
831 	return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags | IOMAP_F_NEW);  in xfs_direct_write_iomap_begin()
837 	if (imap.br_startblock != HOLESTARTBLOCK) {  in xfs_direct_write_iomap_begin()
838 		error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);  in xfs_direct_write_iomap_begin()
866 	struct xfs_bmbt_irec	imap, cmap;  in xfs_buffered_write_iomap_begin()  local
905 	eof = !xfs_iext_lookup_extent(ip, &ip->i_df, offset_fsb, &icur, &imap);  in xfs_buffered_write_iomap_begin()
907 		imap.br_startoff = end_fsb; /* fake hole until the end */  in xfs_buffered_write_iomap_begin()
910 	if ((flags & IOMAP_ZERO) && imap.br_startoff > offset_fsb) {  in xfs_buffered_write_iomap_begin()
911 		xfs_hole_to_iomap(ip, iomap, offset_fsb, imap.br_startoff);  in xfs_buffered_write_iomap_begin()
936 	if (imap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
943 		    ((flags & IOMAP_ZERO) && imap.br_state != XFS_EXT_NORM)) {  in xfs_buffered_write_iomap_begin()
945 					&imap);  in xfs_buffered_write_iomap_begin()
949 		xfs_trim_extent(&imap, offset_fsb, end_fsb - offset_fsb);  in xfs_buffered_write_iomap_begin()
952 		error = xfs_bmap_trim_cow(ip, &imap, &shared);  in xfs_buffered_write_iomap_begin()
959 					&imap);  in xfs_buffered_write_iomap_begin()
968 		end_fsb = imap.br_startoff + imap.br_blockcount;  in xfs_buffered_write_iomap_begin()
1023 			allocfork == XFS_DATA_FORK ? &imap : &cmap,  in xfs_buffered_write_iomap_begin()
1052 	trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);  in xfs_buffered_write_iomap_begin()
1053 	return xfs_bmbt_to_iomap(ip, iomap, &imap, IOMAP_F_NEW);  in xfs_buffered_write_iomap_begin()
1057 	return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);  in xfs_buffered_write_iomap_begin()
1061 	if (imap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
1062 		error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);  in xfs_buffered_write_iomap_begin()
1068 	xfs_trim_extent(&cmap, offset_fsb, imap.br_startoff - offset_fsb);  in xfs_buffered_write_iomap_begin()
1154 	struct xfs_bmbt_irec	imap;  in xfs_read_iomap_begin()  local
1169 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_read_iomap_begin()
1172 		error = xfs_reflink_trim_around_shared(ip, &imap, &shared);  in xfs_read_iomap_begin()
1177 	trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);  in xfs_read_iomap_begin()
1178 	return xfs_bmbt_to_iomap(ip, iomap, &imap, shared ? IOMAP_F_SHARED : 0);  in xfs_read_iomap_begin()
1200 	struct xfs_bmbt_irec	imap, cmap;  in xfs_seek_iomap_begin()  local
1214 	if (xfs_iext_lookup_extent(ip, &ip->i_df, offset_fsb, &icur, &imap)) {  in xfs_seek_iomap_begin()
1218 		if (imap.br_startoff <= offset_fsb)  in xfs_seek_iomap_begin()
1220 		data_fsb = imap.br_startoff;  in xfs_seek_iomap_begin()
1253 		imap.br_blockcount = cow_fsb - offset_fsb;  in xfs_seek_iomap_begin()
1255 		imap.br_blockcount = data_fsb - offset_fsb;  in xfs_seek_iomap_begin()
1256 	imap.br_startoff = offset_fsb;  in xfs_seek_iomap_begin()
1257 	imap.br_startblock = HOLESTARTBLOCK;  in xfs_seek_iomap_begin()
1258 	imap.br_state = XFS_EXT_NORM;  in xfs_seek_iomap_begin()
1260 	xfs_trim_extent(&imap, offset_fsb, end_fsb);  in xfs_seek_iomap_begin()
1261 	error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);  in xfs_seek_iomap_begin()
1284 	struct xfs_bmbt_irec	imap;  in xfs_xattr_iomap_begin()  local
1300 	error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,  in xfs_xattr_iomap_begin()
1308 	return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);  in xfs_xattr_iomap_begin()