linux-kernel - Re: [ 64/82] ext4: dont trash state flags in EXT4_IOC

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Date:	Fri, 08 Jun 2012 04:21:48 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Ted Ts'o <tytso@....edu>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Tao Ma <boyu.mt@...bao.com>,
	Greg KH <gregkh@...uxfoundation.org>
Subject: Re: [ 64/82] ext4: dont trash state flags in EXT4_IOC_SETFLAGS

On Thu, 2012-06-07 at 23:11 -0400, Ted Ts'o wrote:
> On Fri, Jun 08, 2012 at 04:03:09AM +0100, Ben Hutchings wrote:
> > >  		ei->i_flags = flags;
> > [...]
> > 
> > Shouldn't this last assignment have been deleted?
> 
> Yes, I'm testing two patches to push to Linus.  One of them deletes
> the last assignment.
> 
> The testing cycle should be over by tomorrow morning; in the mean
> time, this commit is harmless in its current form (although it won't
> fix the problem it was intending to fix until we delete the last
> line).
[...]

It's not harmless because the user is no longer restricted to changing
EXT4_FL_USER_MODIFIABLE.

Ben.

-- 
Ben Hutchings
I haven't lost my mind; it's backed up on tape somewhere.

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