linux-kernel - Re: [PATCH] Forbid user to change file flags on quota files

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Message-ID: <Pine.LNX.4.64.0711021831340.26618@fbirervta.pbzchgretzou.qr>
Date:	Fri, 2 Nov 2007 18:32:08 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Jan Kara <jack@...e.cz>
cc:	linux-kernel@...r.kernel.org,
	LIOU Payphone <lioupayphone@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Forbid user to change file flags on quota files


On Nov 1 2007 16:52, Jan Kara wrote:

>--- linux-2.6.24-rc1/fs/ext2/ioctl.c	2007-10-24 20:43:56.000000000 +0200
>+++ linux-2.6.24-rc1-1-forbid_setflags/fs/ext2/ioctl.c	2007-11-01 16:01:26.000000000 +0100
>@@ -47,6 +47,11 @@ int ext2_ioctl (struct inode * inode, st
> 			flags &= ~EXT2_DIRSYNC_FL;
> 
> 		mutex_lock(&inode->i_mutex);
>+		/* Is it quota file? Don't allow user mess with it */

"Do not allow user to mess with it".

>--- linux-2.6.24-rc1/fs/ext3/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/ext4/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/jfs/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/reiserfs/ioctl.c	2007-10-24 20:43:58.000000000 +0200

And the other filesystems are all fine?
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