linux-ext4 - Re: Porting Zfs features to ext2/3

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Date:	Mon, 28 Jul 2008 13:42:34 +1000
From:	Shehjar Tikoo <shehjart@....unsw.edu.au>
To:	Theodore Tso <tytso@....edu>
CC:	postrishi <postrishi@...il.com>, linux-ext4@...r.kernel.org
Subject: Re: Porting Zfs features to ext2/3

Theodore Tso wrote:
> On Mon, Jul 28, 2008 at 08:49:18AM +1000, Shehjar Tikoo wrote:
>> Hi Ted
>>
>> Theodore Tso wrote:
>>> The btrfs filesystem effort is an attempt to create a filesystem that 
>>> will leapfrog the ZFS feature set, but it will probably take longer to 
>>> reach production ready status than ext4.
>> Since you mention btrfs here and since I've read this earlier too, do
>> you know if btrfs will be the default Linux file system in the future,
>> like extX has been?
> 
 > ...
> What happens in the future, who can say?  At some point the ext2/3/4
> filesystem, which is based fundamentally on a BSD Fast Filesystem
> design base, may get displaced by a filesystem which uses some very
> different design as a starting point, when the advantages of starting
> with that different design outweighs the advantages of backwards
> compatibility and broad base of support which is enjoyed by ext2/3/4.

Thanks. That sums up the trade-off pretty clearly.


-Shehjar
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