Re: [PATCH 14/16] xfs: rename XFS_IOC_FSGEOM to XFS_IOC_FSGEOM_V2

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On Fri, Oct 03, 2014 at 05:04:35PM -0500, Ben Myers wrote:
> From: Ben Myers <bpm@xxxxxxx>
> 
> We'll be creating a new versioned XFS_IOC_FSGEOMETRY ioctl and structure
> so rename the current revision to _V2.

Urk, no.

This will result in older applications picking up the new ioctl when
they are rebuilt without having explicit support for the new ioctl.

Just create a new ioctl with a new name and modify applications to
use it. If the kernel does not support the new ioctl, then fall back
to the old one in userspace.

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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