Messages in this thread | | | Date | Sun, 29 Jun 2003 16:38:55 -0400 | From | rmoser <> | Subject | Re: File System conversion -- ideas |
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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
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