Re: [Ext2-devel] [RFC 0/13] extents and 48bit ext3

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Newsgroups gmane.linux.file-systems,gmane.linux.kernel,gmane.comp.file-systems.ext2.devel
Message-ID <[email protected]> 
On Fri, 09 Jun 2006 20:33:18 +0400, Alex Tomas said:

> one who needs/wants to go back may get rid of extents by:
> a) remounting w/o extents option
> b) copying new-fashion-style files so that copies use blockmap
> c) dropping extents feature in superblock

OK.. Obviously my brain is tiny and easily overfilled.

Given that the whole alledged problem with extents is that they're not
backward compatible, how do you read the files in (b) so that you can copy
them, if the data is in the non-compatible extents that you can't read because
you've disabled extents?
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