From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5CB81EB1B3 for ; Tue, 25 Mar 2025 19:26:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742930768; cv=none; b=FUyEdBp28SO87l12SQD8LLUI5FXkL4kgwS4bATr49bB6v2hd8kz5/niciBshBvXTd768OrdLErH1RvvZ4xXaCkKtBeBBbydcunPLFzxC/uS5WJ3jY8C78s3i7KDJ+OyL6g4nIZAb3GDm3XjLDu85ml3ESwuVE8r0NLjMAJctIoA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742930768; c=relaxed/simple; bh=UuIDjneobJOG/ZivVOKcasN5ZC/6WieGmx3nL+Ieqog=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=kYYtueEJlxwtKOJWBKmtMigjQXZDtjd+nOjvBD5gKOzENzxNpZiAu69bvKqz460b88CiUZd1iemoAi1wNLjnesaQEhkiIKq9SbSxv2pLd8qMQcNH4slCzsCv2hjuRdPnzxbeCzuxoweMEj42sg9+eT+zeVSL/i/AwPain/nYPKo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mXtXvEv2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mXtXvEv2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0148CC4CEE4; Tue, 25 Mar 2025 19:26:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742930768; bh=UuIDjneobJOG/ZivVOKcasN5ZC/6WieGmx3nL+Ieqog=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=mXtXvEv2yZKQShbZQZ23JIwbElRV+4HSOaGbdizIJTxBCfOoZ819sg08ggx3x8SkP HFMPLs3p6e/ZO8ctI3X0UIZLmPbWnm6insYa7PXXUW8GeIJjC1ki84StvCM8bhj44W FVUCmoLnYl4PhV6W6LpVY2E1gSKYTmHsIuIY6s1+iHk7YDRX3WmOlMHvbrRJv8oncO 7TcyTVVFuR5GMr1OGTh1Zj3eDBA49QqzNhXr7tEPNr776PXp0HBN/kQ3weAGume10H OwJd1m9RAFIwb/Z1NN95TS+ohB+I7Ixnrhb0yTKJg/sEkg41KfJ11gLxfJejhQ3QQq BakOfwL7er4yQ== Message-ID: <20293d337e682de3640054fcfef158883e243b7e.camel@kernel.org> Subject: Re: [PATCH v2 4/4] NFSv4: Treat ENETUNREACH errors as fatal for state recovery From: Jeff Layton To: Trond Myklebust , "linux-nfs@vger.kernel.org" Cc: "josef@toxicpanda.com" Date: Tue, 25 Mar 2025 15:26:06 -0400 In-Reply-To: References: <3c94f6980a3bb02c1106ff8c44e8dad39c249299.camel@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV 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trondmy@kernel.org=C2=A0wrote: > > > From: Trond Myklebust > > >=20 > > > If a containerised process is killed and causes an ENETUNREACH or > > > ENETDOWN error to be propagated to the state manager, then mark the > > > nfs_client as being dead so that we don't loop in functions that > > > are > > > expecting recovery to succeed. > > >=20 > > > Signed-off-by: Trond Myklebust > > > --- > > > =C2=A0fs/nfs/nfs4state.c | 10 +++++++++- > > > =C2=A01 file changed, 9 insertions(+), 1 deletion(-) > > >=20 > > > diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c > > > index 738eb2789266..14ba3f96e6fc 100644 > > > --- a/fs/nfs/nfs4state.c > > > +++ b/fs/nfs/nfs4state.c > > > @@ -2739,7 +2739,15 @@ static void nfs4_state_manager(struct > > > nfs_client *clp) > > > =C2=A0 pr_warn_ratelimited("NFS: state manager%s%s failed on > > > NFSv4 server %s" > > > =C2=A0 " with error %d\n", section_sep, section, > > > =C2=A0 clp->cl_hostname, -status); > > > - ssleep(1); > > > + switch (status) { > > > + case -ENETDOWN: > > > + case -ENETUNREACH: > > > + nfs_mark_client_ready(clp, -EIO); > > > + break; > >=20 > > Should this be conditional on clnt->cl_netunreach_fatal being true? >=20 > I should hope not. We shouldn't ever be seeing these errors here if it > is false. >=20 Oh right, the only way that these errors bubble up from sunrpc layer is if this option is enabled. You can add: Reviewed-by: Jeff Layton