Re: [PATCH 0/2] nfsd: use threads array as-is in netlink thread set interface

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On Wed, 2025-05-28 at 14:11 -0400, cel@xxxxxxxxxx wrote:
> From: Chuck Lever <chuck.lever@xxxxxxxxxx>
> 
> On Tue, 27 May 2025 20:12:46 -0400, Jeff Layton wrote:
> > The first patch is probably appropriate for stable. It should fix
> > problems when someone sets the pool_mode to pernode, without userland
> > sending down a fully-populated thread array.
> > 
> > The second patch just adds a couple of new tracepoints that I ended up
> > using to track this down.
> > 
> > [...]
> 
> Applied to nfsd-testing, thanks!
> 
> [1/2] nfsd: use threads array as-is in netlink interface
>       commit: b2a9a114a3c7f5abfa2875b70ce9b73525a74291
> [2/2] sunrpc: new tracepoints around svc thread wakeups
>       commit: 65b8babe551bddf00aac69bc905f88a4e0371766
> 

My apologies, Chuck. Patch #2 has a bug in it:

+       trace_svc_pool_thread_noidle(pool, rqstp->rq_task->pid);

In the call above, the rqstp will be undefined. That should be:

+       trace_svc_pool_thread_noidle(pool, 0);

You can fix that up in tree, or I can resend if you prefer.

Thanks!
-- 
Jeff Layton <jlayton@xxxxxxxxxx>





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