bio.h (3e1a88ec96259282b9a8b45c3f1fda7a3ff4f6ea) bio.h (c42bca92be928ce7dece5fc04cf68d0e37ee6718)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2001 Jens Axboe <axboe@suse.de>
4 */
5#ifndef __LINUX_BIO_H
6#define __LINUX_BIO_H
7
8#include <linux/highmem.h>

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439{
440 bio_set_flag(bio, BIO_QUIET);
441 bio->bi_status = BLK_STS_AGAIN;
442 bio_endio(bio);
443}
444
445/*
446 * Calculate number of bvec segments that should be allocated to fit data
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2001 Jens Axboe <axboe@suse.de>
4 */
5#ifndef __LINUX_BIO_H
6#define __LINUX_BIO_H
7
8#include <linux/highmem.h>

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439{
440 bio_set_flag(bio, BIO_QUIET);
441 bio->bi_status = BLK_STS_AGAIN;
442 bio_endio(bio);
443}
444
445/*
446 * Calculate number of bvec segments that should be allocated to fit data
447 * pointed by @iter.
447 * pointed by @iter. If @iter is backed by bvec it's going to be reused
448 * instead of allocating a new one.
448 */
449static inline int bio_iov_vecs_to_alloc(struct iov_iter *iter, int max_segs)
450{
449 */
450static inline int bio_iov_vecs_to_alloc(struct iov_iter *iter, int max_segs)
451{
452 if (iov_iter_is_bvec(iter))
453 return 0;
451 return iov_iter_npages(iter, max_segs);
452}
453
454struct request_queue;
455
456extern int submit_bio_wait(struct bio *bio);
457extern void bio_advance(struct bio *, unsigned);
458

--- 373 unchanged lines hidden --- 		454 return iov_iter_npages(iter, max_segs);
455}
456
457struct request_queue;
458
459extern int submit_bio_wait(struct bio *bio);
460extern void bio_advance(struct bio *, unsigned);
461

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