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author | Jens Axboe <axboe@kernel.dk> | 2022-06-13 16:27:03 +0300 |
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committer | Jens Axboe <axboe@kernel.dk> | 2022-07-25 03:39:12 +0300 |
commit | f3b44f92e59a804cf375479bda0bccbf4b6e6ef6 (patch) | |
tree | cc1a658d1fd71f4f197bae3c1ba004bf3079c1df /io_uring/rw.h | |
parent | c98817e6cd4471a6f6283813dd6efea162f5ac5f (diff) | |
download | linux-f3b44f92e59a804cf375479bda0bccbf4b6e6ef6.tar.xz |
io_uring: move read/write related opcodes to its own file
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rw.h')
-rw-r--r-- | io_uring/rw.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/io_uring/rw.h b/io_uring/rw.h new file mode 100644 index 000000000000..0204c3fcafa5 --- /dev/null +++ b/io_uring/rw.h @@ -0,0 +1,23 @@ +// 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); |