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 621BD23CB for ; Sun, 6 Apr 2025 15:54:10 +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=1743954852; cv=none; b=V6H8DR8YmDe7Hqa44mibeV4KfmG3Elsu1Yq1UdYRAkeAb852uRtNeFAuDAevWBDceavYW6qzTwBHlIt/3pdjd7mf6/1PtNvkNWnDm0nhS0MUAIiBoSRokIN20ZhOk+kXSNQwCAVnJ9xQ1uhFPwWZUDXg961omsZbhhNEqLQf5l8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743954852; c=relaxed/simple; bh=eXrFQmFZWy/orgscHN2IeujIWIkCCfXMz0b6BPcgVMs=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=m0pVzcgFQNxXq8wG4sL+Wv/yLEYf2n7RTy+/IDOyAlxWMmrLtocmrbknPLmf29AkZh199pHDvVzu2x8BnsZ2KDmeuzycLqQ559/OKy3A2Rb4iO79EC/BfxK+Ago9eg4Cl3kGoofQKBa9l7TM5w7G6ZSD6LmLAghNl5dDtLVN1Mc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WHXA8enf; 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="WHXA8enf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DCE3C4CEE3; Sun, 6 Apr 2025 15:54:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743954850; bh=eXrFQmFZWy/orgscHN2IeujIWIkCCfXMz0b6BPcgVMs=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=WHXA8enfnuc+HVYdz+3JX5bQ+68HrYZkSqCsF+RcITj2sZsnISHfi65CwaI+khVJX gzdsL3Z1eydvLMg+51urKVu89v9Zrh8HJbNrfTJZlqbAKvbzurg/j0hQw33KX6LYJM OVrz7Ocvsy/rhsLCll2TiVtcdzg/OSOs3SCQmEFl9SPFQQr6ziET/qrHM2MoocLgTr dymqD3t8IOrFWWdsBKUXGH1lrnbDezOP9ZPzhSQ96+WDKCuy10KTRpmwAvUeOSAdFY F9TSVMCBV+LpxE7e2vdPHKdYKiG7EII5Tj+Kl2eDeaatCJjtx892jy1VPOPSdRwh08 N7Gn2XODQcnuw== Message-ID: <2f004fbbee10f2872b4fadb7dd97677c3da5cab9.camel@kernel.org> Subject: Re: [PATCH v2 1/2] NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors From: Jeff Layton To: trondmy@kernel.org, Omar Sandoval Cc: Chris Mason , linux-nfs@vger.kernel.org Date: Sun, 06 Apr 2025 11:54:09 -0400 In-Reply-To: <2ed0d30380a95b8731f0afe433560d0545e65553.1743954240.git.trond.myklebust@hammerspace.com> References: <2ed0d30380a95b8731f0afe433560d0545e65553.1743954240.git.trond.myklebust@hammerspace.com> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV 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Sun, 2025-04-06 at 17:45 +0200, trondmy@kernel.org wrote: > From: Trond Myklebust >=20 > Ensure that the NFSv4 error handling code recognises the > RPC_TASK_NETUNREACH_FATAL flag, and handles the ENETDOWN and ENETUNREACH > errors accordingly. >=20 > Signed-off-by: Trond Myklebust > --- > fs/nfs/nfs4proc.c | 9 +++++++++ > 1 file changed, 9 insertions(+) >=20 > diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c > index da97f87ecaa9..01417e3099e3 100644 > --- a/fs/nfs/nfs4proc.c > +++ b/fs/nfs/nfs4proc.c > @@ -671,6 +671,15 @@ nfs4_async_handle_exception(struct rpc_task *task, s= truct nfs_server *server, > struct nfs_client *clp =3D server->nfs_client; > int ret; > =20 > + if ((task->tk_rpc_status =3D=3D -ENETDOWN || > + task->tk_rpc_status =3D=3D -ENETUNREACH) && > + task->tk_flags & RPC_TASK_NETUNREACH_FATAL) { We're sprinkling the above conditional in quite a few places now. It would be nice to turn the above if statement into a helper function. Something like this maybe? static inline bool netunreach_fatal(struct rpc_task *task) { return (task->tk_rpc_status =3D=3D -ENETDOWN || task->tk_rpc_status =3D=3D= -ENETUNREACH) && (task->tk_flags & RPC_TASK_NETUNREACH_FATAL); } > + exception->delay =3D 0; > + exception->recovering =3D 0; > + exception->retry =3D 0; > + return -EIO; > + } > + > ret =3D nfs4_do_handle_exception(server, errorcode, exception); > if (exception->delay) { > int ret2 =3D nfs4_exception_should_retrans(server, exception); Patch looks good though. Reviewed-by: Jeff Layton