278 	struct xfs_bmbt_irec	*imap,  in xfs_map_blocks()  argument
311 				imap, &nimaps, bmapi_flags);  in xfs_map_blocks()
318 	    (!nimaps || isnullstartblock(imap->br_startblock))) {  in xfs_map_blocks()
319 		error = xfs_iomap_write_allocate(ip, offset, imap);  in xfs_map_blocks()
321 			trace_xfs_map_blocks_alloc(ip, offset, count, type, imap);  in xfs_map_blocks()
328 		ASSERT(imap->br_startblock != HOLESTARTBLOCK);  in xfs_map_blocks()
329 		ASSERT(imap->br_startblock != DELAYSTARTBLOCK);  in xfs_map_blocks()
333 		trace_xfs_map_blocks_found(ip, offset, count, type, imap);  in xfs_map_blocks()
340 	struct xfs_bmbt_irec	*imap,  in xfs_imap_valid()  argument
345 	return offset >= imap->br_startoff &&  in xfs_imap_valid()
346 		offset < imap->br_startoff + imap->br_blockcount;  in xfs_imap_valid()
597 	struct xfs_bmbt_irec	*imap,  in xfs_map_buffer()  argument
602 	xfs_off_t		iomap_offset = XFS_FSB_TO_B(m, imap->br_startoff);  in xfs_map_buffer()
603 	xfs_daddr_t		iomap_bn = xfs_fsb_to_db(XFS_I(inode), imap->br_startblock);  in xfs_map_buffer()
605 	ASSERT(imap->br_startblock != HOLESTARTBLOCK);  in xfs_map_buffer()
606 	ASSERT(imap->br_startblock != DELAYSTARTBLOCK);  in xfs_map_buffer()
621 	struct xfs_bmbt_irec	*imap,  in xfs_map_at_offset()  argument
624 	ASSERT(imap->br_startblock != HOLESTARTBLOCK);  in xfs_map_at_offset()
625 	ASSERT(imap->br_startblock != DELAYSTARTBLOCK);  in xfs_map_at_offset()
627 	xfs_map_buffer(inode, bh, imap, offset);  in xfs_map_at_offset()
687 	struct xfs_bmbt_irec	*imap,  in xfs_convert_page()  argument
743 	if (!xfs_imap_valid(inode, imap, end_offset))  in xfs_convert_page()
785 			ASSERT(xfs_imap_valid(inode, imap, offset));  in xfs_convert_page()
789 				xfs_map_at_offset(inode, bh, imap, offset);  in xfs_convert_page()
826 	struct xfs_bmbt_irec	*imap,  in xfs_cluster_write()  argument
843 					imap, ioendp, wbc);  in xfs_cluster_write()
944 	struct xfs_bmbt_irec	imap;  in xfs_vm_writepage()  local
1104 			imap_valid = xfs_imap_valid(inode, &imap, offset);  in xfs_vm_writepage()
1115 			err = xfs_map_blocks(inode, offset, &imap, type,  in xfs_vm_writepage()
1119 			imap_valid = xfs_imap_valid(inode, &imap, offset);  in xfs_vm_writepage()
1124 				xfs_map_at_offset(inode, bh, &imap, offset);  in xfs_vm_writepage()
1154 		end_index = imap.br_startoff + imap.br_blockcount;  in xfs_vm_writepage()
1166 		xfs_cluster_write(inode, page->index + 1, &imap, &ioend,  in xfs_vm_writepage()
1262 	struct xfs_bmbt_irec	*imap,  in xfs_map_direct()  argument
1269 	if (ISUNWRITTEN(imap))  in xfs_map_direct()
1274 	trace_xfs_gbmap_direct(XFS_I(inode), offset, size, type, imap);  in xfs_map_direct()
1288 					      imap);  in xfs_map_direct()
1299 					   imap);  in xfs_map_direct()
1302 					    imap);  in xfs_map_direct()
1322 	struct xfs_bmbt_irec	*imap,  in xfs_map_trim_size()  argument
1328 	mapping_size = imap->br_startoff + imap->br_blockcount - iblock;  in xfs_map_trim_size()
1359 	struct xfs_bmbt_irec	imap;  in __xfs_get_blocks()  local
1396 				&imap, &nimaps, XFS_BMAPI_ENTIRE);  in __xfs_get_blocks()
1402 	     (imap.br_startblock == HOLESTARTBLOCK ||  in __xfs_get_blocks()
1403 	      imap.br_startblock == DELAYSTARTBLOCK))) {  in __xfs_get_blocks()
1413 						       &imap, nimaps);  in __xfs_get_blocks()
1426 			if (nimaps && imap.br_startblock == HOLESTARTBLOCK)  in __xfs_get_blocks()
1428 			error = xfs_iomap_write_delay(ip, offset, size, &imap);  in __xfs_get_blocks()
1435 				ISUNWRITTEN(&imap) ? XFS_IO_UNWRITTEN  in __xfs_get_blocks()
1436 						   : XFS_IO_DELALLOC, &imap);  in __xfs_get_blocks()
1439 				ISUNWRITTEN(&imap) ? XFS_IO_UNWRITTEN  in __xfs_get_blocks()
1440 						   : XFS_IO_OVERWRITE, &imap);  in __xfs_get_blocks()
1450 				  &imap, offset, size);  in __xfs_get_blocks()
1456 	if (imap.br_startblock != HOLESTARTBLOCK &&  in __xfs_get_blocks()
1457 	    imap.br_startblock != DELAYSTARTBLOCK &&  in __xfs_get_blocks()
1458 	    (create || !ISUNWRITTEN(&imap))) {  in __xfs_get_blocks()
1459 		xfs_map_buffer(inode, bh_result, &imap, offset);  in __xfs_get_blocks()
1460 		if (ISUNWRITTEN(&imap))  in __xfs_get_blocks()
1464 			xfs_map_direct(inode, bh_result, &imap, offset);  in __xfs_get_blocks()
1485 	     (new || ISUNWRITTEN(&imap))))  in __xfs_get_blocks()
1488 	if (imap.br_startblock == DELAYSTARTBLOCK) {  in __xfs_get_blocks()