linux-ext4 - Re: [PATCH 02/12 v2] Revert "ext4: fix fsx truncate failure"

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Message-ID: <alpine.LFD.2.00.1207160917360.5313@dhcp-1-248.brq.redhat.com>
Date:	Mon, 16 Jul 2012 09:35:02 +0200 (CEST)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
cc:	Lukas Czerner <lczerner@...hat.com>, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, achender@...ux.vnet.ibm.com,
	Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH 02/12 v2] Revert "ext4: fix fsx truncate failure"

On Fri, 13 Jul 2012, Theodore Ts'o wrote:

> Date: Fri, 13 Jul 2012 13:42:09 -0400
> From: Theodore Ts'o <tytso@....edu>
> To: Lukas Czerner <lczerner@...hat.com>
> Cc: linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
>     achender@...ux.vnet.ibm.com
> Subject: Re: [PATCH 02/12 v2] Revert "ext4: fix fsx truncate failure"
> 
> Hi Lukas,
> 
> This patch set has changes to the VFS, XFS, and ext4, and there are
> cross dependencies between them.  Is there any way you can disentagle
> the dependencies between the patches so we don't need to worry about
> how these get pulled in during the merge window?
> 
> I suppose could try to get the XFS folks to sign off with my carrying
> this patch in the ext4 tree, since the bulk of the changes are
> ext4-related, but it is a bit of a complication.
> 
> 	      	     	      	 - Ted

Hi Ted,

there is no VFS change, MM is probably what you've had in mind ? So
the only reason why there are xfs, mm and tmpfs changes is that I am
changing truncate_partial_page() and a small side effect is changed
calling conventions.

We can push patches 3, 4, 5 and 6 through the mm tree. But we'll
have to make sure that it will land before ext4 changes since I am
using the new truncate_partial_page() behaviour in ext4. Will that
be possible ?

Hugh ?

-Lukas
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