io_uring: drop ->prep_async()

It's now unused, drop the code related to it. This includes the
io_issue_defs->manual alloc field.

While in there, and since ->async_size is now being used a bit more
frequently and in the issue path, move it to io_issue_defs[].

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 3 insertions, 6 deletions

diff --git a/io_uring/opdef.h b/io_uring/opdef.h
index 9e5435ec27d0..7ee6f5aa90aa 100644
--- a/io_uring/opdef.h
+++ b/io_uring/opdef.h
@@ -27,22 +27,19 @@ struct io_issue_def {
 	unsigned		iopoll : 1;
 	/* have to be put into the iopoll list */
 	unsigned		iopoll_queue : 1;
-	/* opcode specific path will handle ->async_data allocation if needed */
-	unsigned		manual_alloc : 1;
 	/* vectored opcode, set if 1) vectored, and 2) handler needs to know */
 	unsigned		vectored : 1;
 
+	/* size of async data needed, if any */
+	unsigned short		async_size;
+
 	int (*issue)(struct io_kiocb *, unsigned int);
 	int (*prep)(struct io_kiocb *, const struct io_uring_sqe *);
 };
 
 struct io_cold_def {
-	/* size of async data needed, if any */
-	unsigned short		async_size;
-
 	const char		*name;
 
-	int (*prep_async)(struct io_kiocb *);
 	void (*cleanup)(struct io_kiocb *);
 	void (*fail)(struct io_kiocb *);
 };