[PATCH 9/9] xfs: convert log tail checking to a warning

[Alex Elder]

On Thu, 2011-04-07 at 11:57 +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> On the Power platform, the log tail debug checks fire excessively
> causing the system to panic early in testing. The debug checks are
> known to be racy, though on x86_64 there is no evidence that they
> trigger at all.
> 
> We want to keep the checks active on debug systems to alert us to
> problems with log space accounting, but we need to reduce the impact
> of a racy check on testing on the Power platform.
> 
> As a result, convert the ASSERT conditions to warnings, and
> allow them to fire only once per filesystem mount. This will prevent
> false positives from interfering with testing, whilst still
> providing us with the indication that they may be a problem with log
> space accounting should that occur.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>