io_uring: remove overflow param from io_post_aux_cqe

The only call sites which would not allow overflow are also call sites
which would use the io_aux_cqe as they care about ordering.

So remove this parameter from io_post_aux_cqe.

Signed-off-by: Dylan Yudaken <dylany@meta.com>
Link: https://lore.kernel.org/r/20221124093559.3780686-9-dylany@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

4 files changed, 13 insertions, 10 deletions

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 03051e1fa02e..7ed9cbeb573f 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -820,9 +820,8 @@ static void __io_flush_post_cqes(struct io_ring_ctx *ctx)
 	state->cqes_count = 0;
 }
 
-bool io_post_aux_cqe(struct io_ring_ctx *ctx,
-		     u64 user_data, s32 res, u32 cflags,
-		     bool allow_overflow)
+static bool __io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags,
+			      bool allow_overflow)
 {
 	bool filled;
 
@@ -832,6 +831,11 @@ bool io_post_aux_cqe(struct io_ring_ctx *ctx,
 	return filled;
 }
 
+bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags)
+{
+	return __io_post_aux_cqe(ctx, user_data, res, cflags, true);
+}
+
 bool io_aux_cqe(struct io_ring_ctx *ctx, bool defer, u64 user_data, s32 res, u32 cflags,
 		bool allow_overflow)
 {
@@ -839,7 +843,7 @@ bool io_aux_cqe(struct io_ring_ctx *ctx, bool defer, u64 user_data, s32 res, u32
 	unsigned int length;
 
 	if (!defer)
-		return io_post_aux_cqe(ctx, user_data, res, cflags, allow_overflow);
+		return __io_post_aux_cqe(ctx, user_data, res, cflags, allow_overflow);
 
 	length = ARRAY_SIZE(ctx->submit_state.cqes);
 
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index 46694f40bf72..dcb8e3468f1d 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -32,8 +32,7 @@ int __io_run_local_work(struct io_ring_ctx *ctx, bool *locked);
 int io_run_local_work(struct io_ring_ctx *ctx);
 void io_req_defer_failed(struct io_kiocb *req, s32 res);
 void io_req_complete_post(struct io_kiocb *req, unsigned issue_flags);
-bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags,
-		     bool allow_overflow);
+bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags);
 bool io_aux_cqe(struct io_ring_ctx *ctx, bool defer, u64 user_data, s32 res, u32 cflags,
 		bool allow_overflow);
 void __io_commit_cqring_flush(struct io_ring_ctx *ctx);
diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c
index 90d2fc6fd80e..afb543aab9f6 100644
--- a/io_uring/msg_ring.c
+++ b/io_uring/msg_ring.c
@@ -31,7 +31,7 @@ static int io_msg_ring_data(struct io_kiocb *req)
 	if (msg->src_fd || msg->dst_fd || msg->flags)
 		return -EINVAL;
 
-	if (io_post_aux_cqe(target_ctx, msg->user_data, msg->len, 0, true))
+	if (io_post_aux_cqe(target_ctx, msg->user_data, msg->len, 0))
 		return 0;
 
 	return -EOVERFLOW;
@@ -116,7 +116,7 @@ static int io_msg_send_fd(struct io_kiocb *req, unsigned int issue_flags)
 	 * completes with -EOVERFLOW, then the sender must ensure that a
 	 * later IORING_OP_MSG_RING delivers the message.
 	 */
-	if (!io_post_aux_cqe(target_ctx, msg->user_data, msg->len, 0, true))
+	if (!io_post_aux_cqe(target_ctx, msg->user_data, msg->len, 0))
 		ret = -EOVERFLOW;
 out_unlock:
 	io_double_unlock_ctx(ctx, target_ctx, issue_flags);
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 187f1c83e779..133608200769 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -170,10 +170,10 @@ static void __io_rsrc_put_work(struct io_rsrc_node *ref_node)
 		if (prsrc->tag) {
 			if (ctx->flags & IORING_SETUP_IOPOLL) {
 				mutex_lock(&ctx->uring_lock);
-				io_post_aux_cqe(ctx, prsrc->tag, 0, 0, true);
+				io_post_aux_cqe(ctx, prsrc->tag, 0, 0);
 				mutex_unlock(&ctx->uring_lock);
 			} else {
-				io_post_aux_cqe(ctx, prsrc->tag, 0, 0, true);
+				io_post_aux_cqe(ctx, prsrc->tag, 0, 0);
 			}
 		}