Re: [PATCH 2/7] fsfreeze: emergency thaw will deadlock on s_umount

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On Tue 10-07-12 18:30:27, Fernando Luis Vazquez Cao wrote:
> On 2012/07/10 18:13, Jan Kara wrote:
> 
> >On Tue 10-07-12 11:09:18, Jan Kara wrote:
> >...
> >>Also looking into the code, it seems emergency thaw won't be able to thaw
> >>filesystems frozen with FIFREEZE ioctl (bd_fsfreeze_count will be zero)?
> >>Calling thaw_super() directly would solve this but then we'd leave
> >>bd_fzfreeze_count inconsistent... It's a mess with these two types of
> >>freezing.
> >   Ah, I see you try to address this in the next patch. So scratch this
> >comment.
> 
> Ok. I would appreciate if you could take a look at all the patches.
  Except for patches 1 and 2 I'm basically OK with the series. Maybe I'd
move patches 3 and 4 to the beginning of the series to make fixes of
emergency thawing easier (you don't have to change thaw_bdev() as well).
But that's a minor thing.

> By the way, do you want me to rebase on top of your tree?
  It depends on how Al plans to handle my freezing fixes. I still don't
see them in his tree. Al?

								Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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