linux-kernel - Re: [PATCH] sparse: use force attribute for __kernel_rwf

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Date:   Sun, 15 May 2022 23:28:08 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Vasily Averin <vvs@...nvz.org>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Pavel Begunkov <asml.silence@...il.com>, kernel@...nvz.org,
        linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, io-uring@...r.kernel.org
Subject: Re: [PATCH] sparse: use force attribute for __kernel_rwf_t casts

Please stop sprinkling random __force casts.  95% of them are simplify
wrong, and the others need to go into properly documented helpers.

The right fixes here are thing like:

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4479013854d20..a5d8b5109d3a7 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -585,7 +585,7 @@ struct io_rw {
 	struct kiocb			kiocb;
 	u64				addr;
 	u32				len;
-	u32				flags;
+	rwf_t				flags;
 };
 
 struct io_connect {