[PATCH 2/5] xfs: avoid repeated pointer dereferences

[Christoph Hellwig]

On Thu, Apr 15, 2010 at 01:17:30PM -0500, Alex Elder wrote:
> In xlog_find_cycle_start() use a local variable for some repeated
> operations rather than constantly accessing the memory location
> whose address is passed in.
> 
> (This version drops an assertion that a pointer is non-null.)
> 
> Signed-off-by: Alex Elder <aelder at sgi.com>

I'm not entirely convinced about the need for this, but it at least
looks correct, so:

Reviewed-by: Christoph Hellwig <hch at lst.de>