Hi,

On Fri, 28 Nov 2008 15:37:32 +0100, Adrian Ulrich wrote:
> Hi,
> 
> > In the meantime, please try the contained patch as follows:
> 
> mount.nilfs2 now 'hangs' while mounting the filesystem:
> 
>  - CPU-Usage ~ 10%
>  - 100% io-wait
> 
> 
> Do you think that mount.nilfs2 will ever finish? (It's running since ~15 
> minutes)

Oh, that seems unusual.  Please stop applying the patch.

The check of sequence number might be really correct.

In that case, recovery logic is suspicious.  Or there was actually a
critical violation of write order on the device.

For nilfs2, if a superblock was written ahead of the segment pointed
by the superblock, this can happen.


Anyhow, I'll review the source code some more.

With regards,
Ryusuke Konishi
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