Re: [Ext2-devel] Re: [UPDATE] Directory index for ext2

From: Andreas Dilger (
Date: Mon Jun 25 2001 - 14:51:24 EST

Daniel writes:
> > > On Wednesday 20 June 2001 16:59, Tony Gale wrote:
> > > > The main problem I have with this is that e2fsck doesn't know how to
> > > > deal with it - at least I haven't found a version that will. This makes
> > > > it rather difficult to use, especially for your root fs.
> Sure, if your root partition is expendable, by all means go ahead. Ted has
> already offered to start the required changes to e2fsck, which reminds me, I
> have to send the promised docs. For now, just use normal fsck and it will
> (in theory) turn the directory indexes back into normal file blocks, and have
> no effect on inodes.

This is only true without the COMPAT_DIR_INDEX flag. Since e2fsck _needs_
to know about every filesystem feature, it will (correctly) refuse to touch
such a system for now. You could "tune2fs -O ^FEATURE_C4 /dev/hdX" to
turn of the COMPAT_DIR_INDEX flag and let e2fsck go to town. That will
break all of the directory indexes, I believe.

Cheers, Andreas

Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"               -- Dogbert
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