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Re: filesystem shrinks after using xfs_repair

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: filesystem shrinks after using xfs_repair
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 30 Jul 2010 03:57:46 -0400
Cc: Eli Morris <ermorris@xxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20100730091554.2c9ca1ec@xxxxxxxxxxxxxx>
References: <20100726034545.GE655@dastard> <10B6F36F-BE01-4BF7-9815-2E8F6BF71B41@xxxxxxxx> <20100726060604.GF7362@dastard> <F91DF703-4BFF-415B-91B6-87A88F096C91@xxxxxxxx> <20100726102036.GH7362@dastard> <0EC8FE5D-212C-4030-9D59-FDF38DF4E9EE@xxxxxxxx> <D6C570D6-FEC7-4E3C-AAC2-13275721370A@xxxxxxxx> <20100729230147.GN655@dastard> <04349CE2-CF8B-463C-8B06-5E4E59E869B2@xxxxxxxx> <20100730091554.2c9ca1ec@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-08-17)
On Fri, Jul 30, 2010 at 09:15:54AM +0200, Emmanuel Florac wrote:
> > Is that something I could do now, or only when the filesystem is
> > created? If I mount it with '-o inode64', can I mount it without that
> > later, or once I write to the filesystem like that, can I not go back
> > to mounting it in 32 bit mode? 
> 
> You use inode64 at mount, however there is no return. Once you have
> used a filesystem with "inode64", you must use it always.

Recent enough kernel work fine with filesystems that inode64 was used
on even if it's not specified anymore.

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