linux-ext4 - Re: [PATCH] ext4: Fix punch hole on files with indirect mapping

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Message-ID: <alpine.LFD.2.00.1406261829190.2172@localhost.localdomain>
Date:	Thu, 26 Jun 2014 18:30:22 +0200 (CEST)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
cc:	linux-ext4@...r.kernel.org, jack@...e.cz, stable@...r.kernel.org
Subject: Re: [PATCH] ext4: Fix punch hole on files with indirect mapping

On Thu, 26 Jun 2014, Lukáš Czerner wrote:

> Date: Thu, 26 Jun 2014 18:28:57 +0200 (CEST)
> From: Lukáš Czerner <lczerner@...hat.com>
> To: Theodore Ts'o <tytso@....edu>
> Cc: linux-ext4@...r.kernel.org, jack@...e.cz, stable@...r.kernel.org
> Subject: Re: [PATCH] ext4: Fix punch hole on files with indirect mapping
> 
> On Thu, 26 Jun 2014, Theodore Ts'o wrote:
> 
> > Date: Thu, 26 Jun 2014 12:24:50 -0400
> > From: Theodore Ts'o <tytso@....edu>
> > To: Lukas Czerner <lczerner@...hat.com>
> > Cc: linux-ext4@...r.kernel.org, jack@...e.cz, stable@...r.kernel.org
> > Subject: Re: [PATCH] ext4: Fix punch hole on files with indirect mapping
> > 
> > I like the performance improvement of your patch, but I'm concerned
> > that it might be a bit too complicated to push outside of the merge
> > window.
> > 
> > So what I propose doing is this.  We'll take Jan's patches and after
> > testing, we'll push it to Linus.  Then for the the 3.17 merge window,
> > after we've had more opportunity for testing and for other folks to
> > review your changes, we can queue this patch (or its successor).
> > 
> > Does that seem like a good path forward?
> > 
> > 						- Ted
> 
> It does. But this is not exactly a critical bug and it has been
> there since the introduction of punch hole for indirect file. But I
> guess it's better to fix it sooner rather than later, so I am fine
> with this.

It's also better to send Jan's fix to stable trees and let my fix be
just in the Linus tree since it's quite big for stable I think.

-Lukas

> 
> Thanks!
> -Lukas
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