filemap.c - OpenGrok cross reference for /kernel/linux/linux-5.10/mm/filemap.c

Lines Matching defs:iocb
2175  * @iocb:	the iocb to read
2189 ssize_t generic_file_buffered_read(struct kiocb *iocb,
2192 	struct file *filp = iocb->ki_filp;
2196 	loff_t *ppos = &iocb->ki_pos;
2222 	if (written && (iocb->ki_flags & IOCB_WAITQ))
2223 		iocb->ki_flags |= IOCB_NOWAIT;
2240 			if (iocb->ki_flags & IOCB_NOIO)
2250 			if (iocb->ki_flags & IOCB_NOIO) {
2264 			if (iocb->ki_flags & IOCB_WAITQ) {
2270 								iocb->ki_waitq);
2272 				if (iocb->ki_flags & IOCB_NOWAIT) {
2365 		if (iocb->ki_flags & IOCB_WAITQ) {
2370 			error = lock_page_async(page, iocb->ki_waitq);
2392 		if (iocb->ki_flags & (IOCB_NOIO | IOCB_NOWAIT)) {
2416 			if (iocb->ki_flags & IOCB_WAITQ) {
2421 				error = lock_page_async(page, iocb->ki_waitq);
2490  * @iocb:	kernel I/O control block
2496  * The IOCB_NOWAIT flag in iocb->ki_flags indicates that -EAGAIN shall
2500  * The IOCB_NOIO flag in iocb->ki_flags indicates that no new I/O
2510 generic_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
2518 	if (iocb->ki_flags & IOCB_DIRECT) {
2519 		struct file *file = iocb->ki_filp;
2525 		if (iocb->ki_flags & IOCB_NOWAIT) {
2526 			if (filemap_range_has_page(mapping, iocb->ki_pos,
2527 						   iocb->ki_pos + count - 1))
2531 						iocb->ki_pos,
2532 					        iocb->ki_pos + count - 1);
2539 		retval = mapping->a_ops->direct_IO(iocb, iter);
2541 			iocb->ki_pos += retval;
2555 		if (retval < 0 || !count || iocb->ki_pos >= size ||
2560 	retval = generic_file_buffered_read(iocb, iter, retval);
3192 generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from)
3194 	struct file	*file = iocb->ki_filp;
3197 	loff_t		pos = iocb->ki_pos;
3205 	if (iocb->ki_flags & IOCB_NOWAIT) {
3235 	written = mapping->a_ops->direct_IO(iocb, from);
3265 		iocb->ki_pos = pos;
3381  * @iocb:	IO state structure (file, offset, etc.)
3400 ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
3402 	struct file *file = iocb->ki_filp;
3419 	if (iocb->ki_flags & IOCB_DIRECT) {
3422 		written = generic_file_direct_write(iocb, from);
3433 		status = generic_perform_write(file, from, pos = iocb->ki_pos);
3453 			iocb->ki_pos = endbyte + 1;
3465 		written = generic_perform_write(file, from, iocb->ki_pos);
3467 			iocb->ki_pos += written;
3477  * @iocb:	IO state structure
3488 ssize_t generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
3490 	struct file *file = iocb->ki_filp;
3495 	ret = generic_write_checks(iocb, from);
3497 		ret = __generic_file_write_iter(iocb, from);
3501 		ret = generic_write_sync(iocb, ret);