diff options
Diffstat (limited to 'io_uring/rw.h')
| -rw-r--r-- | io_uring/rw.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/io_uring/rw.h b/io_uring/rw.h index 3f432dc75441..81d6d9a8cf69 100644 --- a/io_uring/rw.h +++ b/io_uring/rw.h @@ -1,28 +1,50 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/io_uring_types.h> #include <linux/pagemap.h> +struct io_meta_state { + u32 seed; + struct iov_iter_state iter_meta; +}; + struct io_async_rw { + struct iou_vec vec; size_t bytes_done; - struct iov_iter iter; - struct iov_iter_state iter_state; - struct iovec fast_iov; - struct iovec *free_iovec; - int free_iov_nr; - struct wait_page_queue wpq; + + struct_group(clear, + struct iov_iter iter; + struct iov_iter_state iter_state; + struct iovec fast_iov; + /* + * wpq is for buffered io, while meta fields are used with + * direct io + */ + union { + struct wait_page_queue wpq; + struct { + struct uio_meta meta; + struct io_meta_state meta_state; + }; + }; + ); }; int io_prep_read_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_prep_write_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); +int io_prep_readv_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); +int io_prep_writev_fixed(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_prep_readv(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_prep_writev(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_prep_read(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_prep_write(struct io_kiocb *req, const struct io_uring_sqe *sqe); int io_read(struct io_kiocb *req, unsigned int issue_flags); int io_write(struct io_kiocb *req, unsigned int issue_flags); +int io_read_fixed(struct io_kiocb *req, unsigned int issue_flags); +int io_write_fixed(struct io_kiocb *req, unsigned int issue_flags); 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); +void io_req_rw_complete(struct io_kiocb *req, io_tw_token_t tw); 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); void io_rw_cache_free(const void *entry); |