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linux/io_uring/rw.h
Jens Axboe f3b44f92e5 io_uring: move read/write related opcodes to its own file
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-24 18:39:12 -06:00

24 lines
666 B
C

// 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_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);