179 iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,  in iomap_dio_zero()  argument
188 	fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,  in iomap_dio_zero()
191 	bio->bi_iter.bi_sector = iomap_sector(iomap, pos);  in iomap_dio_zero()
202 iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length,  in iomap_dio_bio_actor()  argument
215 	if ((pos | length | align) & ((1 << blkbits) - 1))  in iomap_dio_bio_actor()
255 		pad = pos & (fs_block_size - 1);  in iomap_dio_bio_actor()
257 			iomap_dio_zero(dio, iomap, pos - pad, pad);  in iomap_dio_bio_actor()
268 		fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,  in iomap_dio_bio_actor()
271 		bio->bi_iter.bi_sector = iomap_sector(iomap, pos);  in iomap_dio_bio_actor()
306 		pos += n;  in iomap_dio_bio_actor()
321 	    ((dio->flags & IOMAP_DIO_WRITE) && pos >= i_size_read(inode))) {  in iomap_dio_bio_actor()
323 		pad = pos & (fs_block_size - 1);  in iomap_dio_bio_actor()
325 			iomap_dio_zero(dio, iomap, pos, fs_block_size - pad);  in iomap_dio_bio_actor()
341 iomap_dio_inline_actor(struct inode *inode, loff_t pos, loff_t length,  in iomap_dio_inline_actor()  argument
347 	BUG_ON(pos + length > PAGE_SIZE - offset_in_page(iomap->inline_data));  in iomap_dio_inline_actor()
352 		if (pos > size)  in iomap_dio_inline_actor()
353 			memset(iomap->inline_data + size, 0, pos - size);  in iomap_dio_inline_actor()
354 		copied = copy_from_iter(iomap->inline_data + pos, length, iter);  in iomap_dio_inline_actor()
356 			if (pos + copied > size)  in iomap_dio_inline_actor()
357 				i_size_write(inode, pos + copied);  in iomap_dio_inline_actor()
361 		copied = copy_to_iter(iomap->inline_data + pos, length, iter);  in iomap_dio_inline_actor()
368 iomap_dio_actor(struct inode *inode, loff_t pos, loff_t length,  in iomap_dio_actor()  argument
381 		return iomap_dio_bio_actor(inode, pos, length, dio, iomap);  in iomap_dio_actor()
383 		return iomap_dio_bio_actor(inode, pos, length, dio, iomap);  in iomap_dio_actor()
385 		return iomap_dio_inline_actor(inode, pos, length, dio, iomap);  in iomap_dio_actor()
408 	loff_t pos = iocb->ki_pos, start = pos;  in iomap_dio_rw()  local
438 		if (pos >= dio->i_size)  in iomap_dio_rw()
496 		ret = iomap_apply(inode, pos, count, flags, ops, dio,  in iomap_dio_rw()
506 		pos += ret;  in iomap_dio_rw()
508 		if (iov_iter_rw(iter) == READ && pos >= dio->i_size) {  in iomap_dio_rw()
514 			iov_iter_revert(iter, pos - dio->i_size);  in iomap_dio_rw()