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-rw-r--r--io_uring/rw.h25
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);