netdev - Re: [PATCH v3 5/5] nfsd: new netlink ops to get/set server pool

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Message-ID: <20240613165623.2a5150e8@kernel.org>
Date: Thu, 13 Jun 2024 16:56:23 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jeff Layton <jlayton@...nel.org>
Cc: Chuck Lever <chuck.lever@...cle.com>, Neil Brown <neilb@...e.de>, Olga
 Kornievskaia <kolga@...app.com>, Dai Ngo <Dai.Ngo@...cle.com>, Tom Talpey
 <tom@...pey.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Lorenzo Bianconi
 <lorenzo@...nel.org>, Trond Myklebust <trond.myklebust@...merspace.com>,
 Anna Schumaker <anna@...nel.org>, linux-nfs@...r.kernel.org,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 5/5] nfsd: new netlink ops to get/set server
 pool_mode

On Thu, 13 Jun 2024 14:34:34 -0400 Jeff Layton wrote:
> +	err = nla_put_string(skb, NFSD_A_POOL_MODE_MODE, buf) ||
> +	      nla_put_u32(skb, NFSD_A_POOL_MODE_NPOOLS, nfsd_nrpools(net));

bitwise or?

Other option would be to move sunrpc_get_pool_mode() before allocation
that way all error codes past allocations are EMSGSIZE and life is
simpler.