lkml.org 
[lkml]   [2003]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: File System conversion -- ideas


*********** REPLY SEPARATOR ***********

On 6/29/2003 at 1:19 PM Davide Libenzi wrote:

>On Sun, 29 Jun 2003 viro@parcelfarce.linux.theplanet.co.uk wrote:
>
>> I think that I will believe it when I see the patchset implementing it.
>> Provided that it will be convincing enough. Other than that... Not
>> really. You will need code for each pair of filesystems, since
>> convertor will need to know *both* layouts. No amount of handwaving
>> is likely to work around that. And we have what, something between
>> 10 and 20 local filesystems? Have fun...
>>
>> If you want your idea to be considered seriously - take reiserfs code,
>> take ext3 code, copy both to userland and put together a conversion
>> between them. Both ways. That, by definition, is easier than doing
>> it in kernel - you have the same code available and none of the
>limitations/
>> interaction with other stuff. When you have it working, well, time to
>> see what extra PITA will come from making it coexist with other parts
>> of kernel (and with much more poor runtime environment).
>>
>> AFAICS, it is _very_ hard to implement. Even outside of the kernel.
>> If you can get it done - well, that might do a lot for having the
>> idea considered seriously. "Might" since you need to do it in a way
>> that would survive transplantation into the kernel _and_ would scale
>> better that O((number of filesystem types)^2).
>
>Maybe defining a "neutral" metadata export/import might help in limiting
>such NFS^2 ...
>
>

That was in the original message. :-p Some people don't read.

>
>- Davide
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>the body of a message to majordomo@vger.kernel.org
>More majordomo info at http://vger.kernel.org/majordomo-info.html
>Please read the FAQ at http://www.tux.org/lkml/

--Bluefox Icy


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:0.194 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site