Re: [PATCH] pynfs: Fix RuntimeError by increasing default ca_maxrequests from 8 to 16

[Jeff Layton <jlayton@kernel.org>]

On Wed, 2025-06-25 at 16:00 +0800, Chen Hanxiao wrote:
> Increased the default value of ca_maxrequests from 8 to 16 to address a
> RuntimeError encountered in DELEG8.
> 
> This change resolves the issue where
> DELEG8 st_delegation.testDelegRevocation
> fails with a RuntimeError: "Out of slots".
> 
> Signed-off-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
> ---
>  nfs4.1/nfs4client.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/nfs4.1/nfs4client.py b/nfs4.1/nfs4client.py
> index f4fabcc..fa31b34 100644
> --- a/nfs4.1/nfs4client.py
> +++ b/nfs4.1/nfs4client.py
> @@ -390,7 +390,7 @@ class ClientRecord(object):
>                         fore_attrs=None, back_attrs=None, sec=None,
>                         prog=None,
>                         max_retries=1, delay_time=1):
> -        chan_attrs = channel_attrs4(0,8192,8192,8192,128,8,[])
> +        chan_attrs = channel_attrs4(0,8192,8192,8192,128,16,[])
>          if fore_attrs is None:
>              fore_attrs = chan_attrs
>          if back_attrs is None:

Increasing the size should be harmless, but it doesn't look like DELEG8
does a lot of concurrent RPCs. How is this running out of slots?

-- 
Jeff Layton <jlayton@kernel.org>