Re: [PATCH v2] NFSD: trace export root filehandle event

["Hanxiao Chen (Fujitsu)" <chenhx.fnst@xxxxxxxxxxx>]

> -----邮件原件-----
> 发件人: Chuck Lever <chuck.lever@xxxxxxxxxx>
> 发送时间: 2024年4月6日 2:32
> 收件人: Chen, Hanxiao <chenhx.fnst@xxxxxxxxxxx>
> 抄送: Jeff Layton <jlayton@xxxxxxxxxx>; Neil Brown <neilb@xxxxxxx>; Olga
> Kornievskaia <kolga@xxxxxxxxxx>; Dai Ngo <Dai.Ngo@xxxxxxxxxx>; Tom
> Talpey <tom@xxxxxxxxxx>; linux-nfs@xxxxxxxxxxxxxxx
> 主题: Re: [PATCH v2] NFSD: trace export root filehandle event
> 
> On Fri, Mar 29, 2024 at 12:16:54AM +0800, Chen Hanxiao wrote:
> > Add a tracepoint for obtaining root filehandle event
> 
> I've had a chance to look at this more closely. It turns out we've
> already got trace_nfsd_ctl_filehandle().
> 
> So let's only remove the dprintk call site in exp_rootfh().
> 
> 
Hi,

	struct svc_export should be a useful info to trace, such as ex_uuid.

	Can we move trace_nfsd_ctl_filehandle into exp_rootfh ,then add an entry to it to trace ex_uuid? 

Regards,
- Chen