From 5fea44a6e05b86bf49019fbbf2ab30098d03e0dc Mon Sep 17 00:00:00 2001
From: Breno Leitao <leitao@debian.org>
Date: Mon, 16 Oct 2023 06:47:43 -0700
Subject: [PATCH] io_uring/cmd: Pass compat mode in issue_flags
Create a new flag to track if the operation is running compat mode.
This basically check the context->compat and pass it to the issue_flags,
so, it could be queried later in the callbacks.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20231016134750.1381153-6-leitao@debian.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
include/linux/io_uring.h | 1 +
io_uring/uring_cmd.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index b4391e0a9bc83..aefb73eeeebff 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -23,6 +23,7 @@ enum io_uring_cmd_flags {
/* set when uring wants to cancel a previously issued command */
IO_URING_F_CANCEL = (1 << 11),
+ IO_URING_F_COMPAT = (1 << 12),
};
/* only top 8 bits of sqe->uring_cmd_flags for kernel internal use */
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c
index 00a5e5621a288..4bedd633c08c9 100644
--- a/io_uring/uring_cmd.c
+++ b/io_uring/uring_cmd.c
@@ -175,6 +175,8 @@ int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags)
issue_flags |= IO_URING_F_SQE128;
if (ctx->flags & IORING_SETUP_CQE32)
issue_flags |= IO_URING_F_CQE32;
+ if (ctx->compat)
+ issue_flags |= IO_URING_F_COMPAT;
if (ctx->flags & IORING_SETUP_IOPOLL) {
if (!file->f_op->uring_cmd_iopoll)
return -EOPNOTSUPP;
--
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