diff options
Diffstat (limited to 'io_uring/rw.h')
-rw-r--r-- | io_uring/rw.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/io_uring/rw.h b/io_uring/rw.h new file mode 100644 index 0000000000..4b89f96593 --- /dev/null +++ b/io_uring/rw.h @@ -0,0 +1,25 @@ +// 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); +void io_rw_fail(struct io_kiocb *req); +void io_req_rw_complete(struct io_kiocb *req, struct io_tw_state *ts); |