Patch "io_uring: use better types for cflags" has been added to the 5.12-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    io_uring: use better types for cflags

to the 5.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     io_uring-use-better-types-for-cflags.patch
and it can be found in the queue-5.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 97cf0064c528735e335c4edf4e69c4a542255607
Author: Pavel Begunkov <asml.silence@xxxxxxxxx>
Date:   Sun Feb 28 22:35:15 2021 +0000

    io_uring: use better types for cflags
    
    [ Upstream commit 8c3f9cd1603d0e4af6c50ebc6d974ab7bdd03cf4 ]
    
    __io_cqring_fill_event() takes cflags as long to squeeze it into u32 in
    an CQE, awhile all users pass int or unsigned. Replace it with unsigned
    int and store it as u32 in struct io_completion to match CQE.
    
    Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
    Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 89f4e5e80b9e..5cc76fa9d4a1 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -653,7 +653,7 @@ struct io_unlink {
 struct io_completion {
 	struct file			*file;
 	struct list_head		list;
-	int				cflags;
+	u32				cflags;
 };
 
 struct io_async_connect {
@@ -1476,7 +1476,8 @@ static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force,
 	return ret;
 }
 
-static void __io_cqring_fill_event(struct io_kiocb *req, long res, long cflags)
+static void __io_cqring_fill_event(struct io_kiocb *req, long res,
+				   unsigned int cflags)
 {
 	struct io_ring_ctx *ctx = req->ctx;
 	struct io_uring_cqe *cqe;