[thirdparty/kernel/linux.git] / io_uring / rw.h

// SPDX-License-Identifier: GPL-2.0

#include <linux/pagemap.h>

struct io_rw_state {
	struct iov_iter			iter;
	struct iov_iter_state		iter_state;
	struct iovec			fast_iov[UIO_FASTIOV];
};

struct io_async_rw {
	struct io_rw_state		s;
	const struct iovec		*free_iovec;
	size_t				bytes_done;
	struct wait_page_queue		wpq;
};

int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_prep_rwv(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_prep_rw_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_read(struct io_kiocb *req, unsigned int issue_flags);
int io_readv_prep_async(struct io_kiocb *req);
int io_write(struct io_kiocb *req, unsigned int issue_flags);
int io_writev_prep_async(struct io_kiocb *req);
void io_readv_writev_cleanup(struct io_kiocb *req);
void io_rw_fail(struct io_kiocb *req);
void io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts);
int io_read_mshot_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags);
Commit	Line	Data
f3b44f92 JA	1	// SPDX-License-Identifier: GPL-2.0
	2
	3	#include <linux/pagemap.h>
	4
	5	struct io_rw_state {
	6	struct iov_iter iter;
	7	struct iov_iter_state iter_state;
	8	struct iovec fast_iov[UIO_FASTIOV];
	9	};
	10
	11	struct io_async_rw {
	12	struct io_rw_state s;
	13	const struct iovec *free_iovec;
	14	size_t bytes_done;
	15	struct wait_page_queue wpq;
	16	};
	17
	18	int io_prep_rw(struct io_kiocb req, const struct io_uring_sqe sqe);
0e984ec8	19	int io_prep_rwv(struct io_kiocb req, const struct io_uring_sqe sqe);
f688944c	20	int io_prep_rw_fixed(struct io_kiocb req, const struct io_uring_sqe sqe);
f3b44f92 JA	21	int io_read(struct io_kiocb *req, unsigned int issue_flags);
	22	int io_readv_prep_async(struct io_kiocb *req);
	23	int io_write(struct io_kiocb *req, unsigned int issue_flags);
	24	int io_writev_prep_async(struct io_kiocb *req);
	25	void io_readv_writev_cleanup(struct io_kiocb *req);
47b4c686	26	void io_rw_fail(struct io_kiocb *req);
c92fcfc2	27	void io_req_rw_complete(struct io_kiocb req, struct io_tw_state ts);
fc68fcda JA	28	int io_read_mshot_prep(struct io_kiocb req, const struct io_uring_sqe sqe);
fc68fcda JA	29	int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags);