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Re: State of the union


On Tue, Dec 05, 2000 at 12:14:04PM -0500, Nalin Dahyabhai wrote:
> On Tue, Dec 05, 2000 at 04:48:56PM +0000, Nigel Metheringham wrote:
> > A clean ext3 filesystem will always mount as ext2 and work perfectly 
> > well that way.
> Of course this assumes the ext2 in the kernel understands what the new
> features mean.

No --- a cleanly-unmounted ext3 filesystem will not have any
incompatible features set.  It will only have the "has_journal"
feature set, and that is a compatible, information-only feature flag.

0.0.3b has a bug that remount-readonly doesn't clear the
NEEDS_RECOVERY flag, but unmounting will do.

> If it doesn't, you have to go in and remove them with
> debugfs before you reboot.  When you reboot, fsck complains about the
> flag not being set while a journal is present, so it removes the file.
> The next time you run fsck, it notices that the inode is still there,
> and forces a full check.  Is that the way it's supposed to work, or is
> the journal's inode supposed to be removed when the journal is?

e2fsck should never leave behind a problem needing a second pass ---
have you bugzilla'ed this?


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