167 		unsigned long bytes;	/* Bytes to write to page */  in iomap_write_actor()  local
171 		bytes = min_t(unsigned long, PAGE_SIZE - offset,  in iomap_write_actor()
174 		if (bytes > length)  in iomap_write_actor()
175 			bytes = length;  in iomap_write_actor()
187 		if (unlikely(iov_iter_fault_in_readable(i, bytes))) {  in iomap_write_actor()
192 		status = iomap_write_begin(inode, pos, bytes, flags, &page,  in iomap_write_actor()
200 		copied = iov_iter_copy_from_user_atomic(page, i, offset, bytes);  in iomap_write_actor()
204 		status = iomap_write_end(inode, pos, bytes, copied, page);  in iomap_write_actor()
221 			bytes = min_t(unsigned long, PAGE_SIZE - offset,  in iomap_write_actor()
281 		unsigned long bytes;	/* Bytes to write to page */  in iomap_dirty_actor()  local
284 		bytes = min_t(loff_t, PAGE_SIZE - offset, length);  in iomap_dirty_actor()
290 		status = iomap_write_begin(inode, pos, bytes,  in iomap_dirty_actor()
299 		status = iomap_write_end(inode, pos, bytes, bytes, page);  in iomap_dirty_actor()
338 		unsigned bytes, struct iomap *iomap)  in iomap_zero()  argument
343 	status = iomap_write_begin(inode, pos, bytes,  in iomap_zero()
348 	zero_user(page, offset, bytes);  in iomap_zero()
351 	return iomap_write_end(inode, pos, bytes, bytes, page);  in iomap_zero()
354 static int iomap_dax_zero(loff_t pos, unsigned offset, unsigned bytes,  in iomap_dax_zero()  argument
360 	return __dax_zero_page_range(iomap->bdev, sector, offset, bytes);  in iomap_dax_zero()
376 		unsigned offset, bytes;  in iomap_zero_range_actor()  local
379 		bytes = min_t(loff_t, PAGE_SIZE - offset, count);  in iomap_zero_range_actor()
382 			status = iomap_dax_zero(pos, offset, bytes, iomap);  in iomap_zero_range_actor()
384 			status = iomap_zero(inode, pos, offset, bytes, iomap);  in iomap_zero_range_actor()
388 		pos += bytes;  in iomap_zero_range_actor()
389 		count -= bytes;  in iomap_zero_range_actor()
390 		written += bytes;  in iomap_zero_range_actor()