On Thu, 2017-04-27 at 11:06 +0800, Kinglong Mee wrote:
>
> There is only one use of svc_set_num_threads that by nfsd,
> I'd like to change svc_set_num_threads and update nfsd than add a new
> function.
You can't really combine the two methods. Either you choose signals or
you choose kthread_stop(). The problem is that signals require the
thread to be able to persist past the nfsd_destroy() (which again
forces things like nfsd() having to take nfsd_mutex), or you have to
make things synchronous, in which case having nfsd() try to take
nfsd_mutex causes deadlocks.
IOW: if there is legacy behaviour here that requires the signal method,
then knfsd cannot be converted.
> Ps,
> "NFSv4.x/callback: Create the callback service through
> svc_create_pooled"
> must be include before the fix. I will resend it later.
>
OK. Thanks!
--
Trond Myklebust
Linux NFS client maintainer, PrimaryData
trond.myklebust@xxxxxxxxxxxxxxx
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