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From: Dave Chinner <david@fromorbit.com>
To: xfs@oss.sgi.com
Subject: Re: [PATCH] Make inode64 a remountable option
Date: Fri, 17 Aug 2012 11:42:44 +1000	[thread overview]
Message-ID: <20120817014244.GA2877@dastard> (raw)
In-Reply-To: <20120817012030.GB16013@orion.usersys.redhat.com>

On Thu, Aug 16, 2012 at 10:20:30PM -0300, Carlos Maiolino wrote:
> > Reviewed-by: Brian Foster <bfoster@redhat.com>
> > 
> > I do have a question though... do we care about the remount from inode64
> > to non-inode64 case?
> > 
> I thought about it, but, once we enable inode64 option, remounting it back to
> inode32 may create problems to access inodes greater than (1<<32) - 1, so, I
> don't think we should make inode32 a remountable option.

You can still read, modify and unlink inodes w/ numbers greater than
32 bits when inode32 is active - you just can't allocate new inodes
in those AGs. Hence going back the other way would still be safe to
do on remount, I think.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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  reply	other threads:[~2012-08-17  1:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-16 18:35 [PATCH] Make inode64 a remountable option Carlos Maiolino
2012-08-16 20:23 ` Brian Foster
2012-08-17  1:20   ` Carlos Maiolino
2012-08-17  1:42     ` Dave Chinner [this message]
2012-08-16 22:40 ` Dave Chinner
2012-08-17  0:46   ` Carlos Maiolino

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