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

From: Daniel Phillips (
Date: Mon Jun 25 2001 - 17:25:32 EST

On Monday 25 June 2001 21:51, Andreas Dilger wrote:
> 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.

This is what he wants, a workaround so he can fsck. However, the above
command (on version 1.2-WIP) just gives me:

   Invalid filesystem option set: ^FEATURE_C4

Maybe he should just edit the source so it doesn't set the superblock flag
for now.

BTW, there doesn't seem to be a --version command in tune2fs.

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This archive was generated by hypermail 2b29 : Sat Jun 30 2001 - 21:00:13 EST