Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 7 Aug 2003 18:31:14 +0200 | From | Matthias Schniedermeyer <> | Subject | Re: reiserfs4 |
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On Thu, Aug 07, 2003 at 06:25:44PM +0400, Oleg Drokin wrote: > Hello! > > On Thu, Aug 07, 2003 at 04:23:12PM +0200, Matthias Schniedermeyer wrote: > > > > There is sort of "universal" fs convertor for linux that can convert almost > > > > any fs to almost any other fs. > > > > The only requirement seems to be that both fs types should have read/write support in Linux. > > > > http://tzukanov.narod.ru/convertfs/ > > > I'm afraid I cannot recommend using this tool. > > > A test conversion from reiserfs to ext3 (inside a vmware machine) > > > screwed up the data real horrorshow: directory structure seems > > > ok but file contents are apparently shifted. > > That answers the question that poped up in my mind. > > "How does the tool know where the blocks are, and in which order it can > > 'move' then without corrupting the data.(*) > > Well, there is FIBMAP ioctl that does this. > > > Seems it doesn't know it. > > It does. And our tests were more succesful, I believe. > > > But it is possibel(*2) to do what the programm wants to do, you only > > have to find out the order in which you have to copy the blocks to > > prevent garbage. That's all the magic. > > Sure.
Ups. Seems i am wrong, i "grep"ed for FIBMAP and the tool uses it. So i guess the tool should be able to do everything correctly.
I take everything back and claim the opposite. :-) (german idiom. "Ich nehm alles zurueck und behaupte das Gegenteil")
Bis denn
-- Real Programmers consider "what you see is what you get" to be just as bad a concept in Text Editors as it is in women. No, the Real Programmer wants a "you asked for it, you got it" text editor -- complicated, cryptic, powerful, unforgiving, dangerous.
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