linux-ext4 - Re: [RFC][take 4] e2fsprogs: Add ext4migrate

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Message-ID: <463E9C53.8000503@linux.vnet.ibm.com>
Date:	Mon, 07 May 2007 08:56:11 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Andreas Dilger <adilger@...sterfs.com>
CC:	linux-ext4@...r.kernel.org
Subject: Re: [RFC][take 4] e2fsprogs: Add ext4migrate



Andreas Dilger wrote:
> On May 04, 2007  14:43 +0530, Aneesh Kumar K.V wrote:
>> Changes from from my previous patches are as follows:
>> a) support for files with holes
>> b) use the block iterator present in libext2fs
>> c) don't mark  the indirect blocks as unused early. If we mark the
>>    the blocks unused, they can be resued for extent index. If we later
>>    fail to migrate, the indirect blocks content would be overwritten.
> 
> If this code could also (or optionally just) increase the size of inodes
> it would be very useful.  AFAIK right now it will only change the inodes
> from block-mapped to extent-mapped?
> 
> 

That is correct. My next step is to enhance the tool to support 
migration to large inodes.

-aneesh
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