linux-kernel - Re: [git pull] vfs.git part 3

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Message-ID: <20170706151033.GA1871@lst.de>
Date:   Thu, 6 Jul 2017 17:10:33 +0200
From:   Christoph Hellwig <hch@....de>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Christoph Hellwig <hch@....de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [git pull] vfs.git part 3

On Thu, Jul 06, 2017 at 04:03:30PM +0100, Al Viro wrote:
> On Thu, Jul 06, 2017 at 04:48:40PM +0200, Christoph Hellwig wrote:
> 
> > Just did the whole batch (patch below), but it seems like using a
> > __bitwise type in SYSCALL_DEFINE* will always give warnings like:
> > 
> > fs/read_write.c:1095:1: warning: cast to restricted __kernel_rwf_t
> > 
> > which I'm not sure to deal with..
> 
> #define __SC_CAST(t, a) (__force t) a

doesn't seem to make a difference..