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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: tytso@mit.ed, adilger@sun.com, linux-ext4@vger.kernel.org
Subject: Re: [PATCH] Add extent conversion support to chattr
Date: Tue, 9 Sep 2008 18:06:45 +0530	[thread overview]
Message-ID: <20080909123645.GA5026@skywalker> (raw)
In-Reply-To: <20080909114647.GA14052@infradead.org>

On Tue, Sep 09, 2008 at 07:46:47AM -0400, Christoph Hellwig wrote:
> On Tue, Sep 09, 2008 at 02:42:22PM +0530, Aneesh Kumar K.V wrote:
> > This patch adds new option, -E to chattr. The -E option
> > is used to convert the ext3 format (non extent) file
> > to ext4 (extent) format. This can be used to migrate
> > the ext3 file system to ext4 file system.
> 
> I think this is an awkware interfac.  Chattr is supposed to set simple
> binary flags and not a front end to complicated filesystem conversions.
> 

Since chattr is used to set inode flags and since migrate can be looked
at as setting extent flags (with the side effect that we change the 
inode format) I used chattr interface. Last patch i sent actually added a new
command e4migrate. Let me know if you have any suggestion related to
which command is best suited for setting extent flags.

-aneesh

  reply	other threads:[~2008-09-09 12:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-09  9:12 [PATCH] Add extent conversion support to chattr Aneesh Kumar K.V
2008-09-09 11:46 ` Christoph Hellwig
2008-09-09 12:36   ` Aneesh Kumar K.V [this message]
2008-09-09 13:43   ` Theodore Tso
2008-09-09 14:09     ` Aneesh Kumar K.V
2008-09-09 14:39       ` Theodore Tso
2008-09-09 16:28         ` Aneesh Kumar K.V
2008-09-09 16:47           ` Theodore Tso
2008-09-09 16:50     ` Christoph Hellwig
2008-09-09 16:54       ` Theodore Tso
  -- strict thread matches above, loose matches on Subject: below --
2008-09-12  9:04 Aneesh Kumar K.V
2008-09-12  9:17 ` Andreas Dilger
2008-09-12  9:27   ` Aneesh Kumar K.V
2008-09-12 15:26     ` Andreas Dilger
2008-09-12  9:31   ` Aneesh Kumar K.V

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