[PATCH 12/12] xfs: don't emit v5 superblock warnings on write

[Ben Myers]

On Fri, Jun 07, 2013 at 10:25:01PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> We write the superblock every 30s or so which results in the
> verifier being called. Right now that results in this output
> every 30s:
> 
> XFS (vda): Version 5 superblock detected. This kernel has EXPERIMENTAL support enabled!
> Use of these features in this kernel is at your own risk!
> 
> And spamming the logs.
> 
> We don't need to check for whether we support v5 superblocks or
> whether there are feature bits we don't support set as these are
> only relevant when we first mount the filesytem. i.e. on superblock
> read. Hence for the write verification we can just skip all the
> checks (and hence verbose output) altogether.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Goes with commit 34510185abeaa5be9b178a41c0a03d30aec3db7e
Reviewed-by: Ben Myers <bpm at sgi.com>