Re: [PATCH v7 17/22] Get rid of most mentions of XIP in ext2

From: Jan Kara
Date: Thu Apr 10 2014 - 14:40:24 EST


On Thu 10-04-14 10:26:25, Matthew Wilcox wrote:
> On Wed, Apr 09, 2014 at 12:04:35PM +0200, Jan Kara wrote:
> > On Sun 23-03-14 15:08:43, Matthew Wilcox wrote:
> > > The only remaining usage is userspace's 'xip' option.
> > Looks good. You can add:
> > Reviewed-by: Jan Kara <jack@xxxxxxx>
>
> I've been thinking about this patch, and I'm not happy with it any more :-)
>
> I want to migrate people away from using 'xip' to 'dax' without breaking
> anybody's scripts. So I'm thinking about adding a new 'dax' option and
> having the 'xip' option print a warning and force-enable the 'dax' option.
> That way people who might have scripts to look for 'xip' in /proc/mounts
> won't break.
Yeah, that sounds reasonable. Maybe we could even show only 'dax' in
/proc/mounts since I somewhat doubt there are any users who care. But
showing also 'xip' when used is easy enough so why not.

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