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

Tony Gale
2001-06-26T09:27:34Z

I use debugfs to remove the flag before fsck'ing:

Start debugfs.

Type

open -f -w /dev/<part>
features -FEATURE_C5

-tony

On 26 Jun 2001 00:25:32 +0200, Daniel Phillips wrote:
> On Monday 25 June 2001 21:51, Andreas Dilger wrote:
> > Daniel writes:
> > > 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.
>