netdev - [PATCH 1/8] nfsd: don't restart v4.1+ callback when RPC

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Message-Id: <20250123-nfsd-6-14-v1-1-c1137a4fa2ae@kernel.org>
Date: Thu, 23 Jan 2025 15:25:18 -0500
From: Jeff Layton <jlayton@...nel.org>
To: Chuck Lever <chuck.lever@...cle.com>, Neil Brown <neilb@...e.de>, 
 Olga Kornievskaia <okorniev@...hat.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, "J. Bruce Fields" <bfields@...ldses.org>, 
 Kinglong Mee <kinglongmee@...il.com>, Trond Myklebust <trondmy@...nel.org>, 
 Anna Schumaker <anna@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>
Cc: linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org, 
 netdev@...r.kernel.org, Jeff Layton <jlayton@...nel.org>
Subject: [PATCH 1/8] nfsd: don't restart v4.1+ callback when RPC_SIGNALLED
 is set

This is problematic, since the RPC might have been entirely successful.
There is no point in restarting a v4.1+ callback just because
RPC_SIGNALLED is true. The v4.1+ error handling has other mechanisms for
detecting when it should retransmit the RPC.

Fixes: 7ba6cad6c88f ("nfsd: New helper nfsd4_cb_sequence_done() for processing more cb errors")
Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 fs/nfsd/nfs4callback.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 50e468bdb8d4838b5217346dcc2bd0fec1765c1a..e12205ef16ca932ffbcc86d67b0817aec2436c89 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1403,9 +1403,6 @@ static bool nfsd4_cb_sequence_done(struct rpc_task *task, struct nfsd4_callback
 	}
 	trace_nfsd_cb_free_slot(task, cb);
 	nfsd41_cb_release_slot(cb);
-
-	if (RPC_SIGNALLED(task))
-		goto need_restart;
 out:
 	return ret;
 retry_nowait:

-- 
2.48.1