[PATCH 01/12] xfs: convert log grant ticket queues to list heads

[Christoph Hellwig]

On Mon, Dec 13, 2010 at 03:44:32PM +1100, Dave Chinner wrote:
> -		__field(void *, reserve_headq)
> -		__field(void *, write_headq)
> +		__field(void *, reserveq)
> +		__field(void *, writeq)

To repeat my question from the last review:  what's the point in logging
this at all?  There's not much we can do with it from trace-cmd / perf
output.  What might be more useful is a list_empty() boolean flag.