linux-kernel - Re: [PATCH] UAPI linux/fs.h: add a warning about wrong ioctl argument types

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Date:	Thu, 28 Nov 2013 00:02:07 +0100
From:	Aurelien Jarno <aurelien@...el32.net>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Theodore Ts'o <tytso@....edu>, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] UAPI linux/fs.h: add a warning about wrong ioctl
 argument types

On Wed, Nov 27, 2013 at 03:13:40AM -0800, Christoph Hellwig wrote:
> Thanks Aurelien,
> 
> the added comment looks good and very useful,
> 
> Reviewed-by: Christoph Hellwig <hch@....de>
> 

Thanks for the review.

> We don't have any man pages documenting these ioctls or other user
> visible documentation, do we?

The only documentation I have found about these ioctls is from the
ioctl_list(2) manpage, but with different name and defined in
<linux/ext2_fs.h>. In any case they are correctly defined:

       0x80046601   EXT2_IOC_GETFLAGS     int *
       0x40046602   EXT2_IOC_SETFLAGS     const int *
       0x80047601   EXT2_IOC_GETVERSION   int *
       0x40047602   EXT2_IOC_SETVERSION   const int *

-- 
Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien@...el32.net                 http://www.aurel32.net
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