383 		unsigned int flags, struct iomap *iomap, struct iomap *srcmap)  in blkdev_iomap_begin()  argument
388 	iomap->bdev = bdev;  in blkdev_iomap_begin()
389 	iomap->offset = ALIGN_DOWN(offset, bdev_logical_block_size(bdev));  in blkdev_iomap_begin()
390 	if (iomap->offset >= isize)  in blkdev_iomap_begin()
392 	iomap->type = IOMAP_MAPPED;  in blkdev_iomap_begin()
393 	iomap->addr = iomap->offset;  in blkdev_iomap_begin()
394 	iomap->length = isize - iomap->offset;  in blkdev_iomap_begin()
395 	iomap->flags |= IOMAP_F_BUFFER_HEAD; /* noop for !CONFIG_BUFFER_HEAD */  in blkdev_iomap_begin()
476 	if (offset >= wpc->iomap.offset &&  in blkdev_map_blocks()
477 	    offset < wpc->iomap.offset + wpc->iomap.length)  in blkdev_map_blocks()
480 				  IOMAP_WRITE, &wpc->iomap, NULL);  in blkdev_map_blocks()