On Mon, Feb 27, 2017 at 03:10:31PM +0800, Qu Wenruo wrote:
> +TRACE_EVENT(qgroup_update_reserve,
...
> + TP_printk_btrfs("qgid = %llu, cur_reserved = %llu, diff = %lld",
> + __entry->qgid, __entry->cur_reserved, __entry->diff)
> +);
> +
> +TRACE_EVENT(qgroup_meta_reserve,
...
> + TP_printk_btrfs("refroot = %llu, diff = %lld",
> + __entry->refroot, __entry->diff)
> +);
Please update the format strings,
https://btrfs.wiki.kernel.org/index.php/Development_notes#Tracepoints
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