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 48AB03B96ED; Mon, 5 May 2025 23:22:02 +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=1746487323; cv=none; b=gPPfTg/l2ZbE0pjBiDu6XjVAygaKUH3vkyako8KxGbVqoQhX7NTCiwgZFmFpCxYaLyqlGcJxtnTdYyDUEbHsBI6uznwlg2XDWfqFoCkeP9nigtvwpJUCpEJnpuzbyoGOW2Qx15xytG2Ufgx7Qa8IHLqvfpHZTGPH1eIP7TXn8Do= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746487323; c=relaxed/simple; bh=0ykm/0vK3HhFGgPGriruaUJgrWRvgzXlTZAKnX0DZnk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UuPxEBBcScXJcgkmkG6A7A1swctj963guZ3jW6H2OwX4ksSV79CG+t6MNAD/bH7tieRwPNi8Cm2zAn6yurK7iKIsh1mNSx+b5w+T/7Gcldq5QCtemXzphAdiOh2vOOQKy/bUHAMOL1rnYFtUqbH6xWGLKSRYOtwDKeSBgKJV/Yg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=achvxy+T; 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="achvxy+T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F4EFC4CEF1; Mon, 5 May 2025 23:22:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746487322; bh=0ykm/0vK3HhFGgPGriruaUJgrWRvgzXlTZAKnX0DZnk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=achvxy+TRKPz10bFXeJTAUE53bFh3xFBD/C44elSHRoQ25KqLDk2Kpl7+9c+vhfgt ZcR/1zZIjZePrVKgwy++vaBKLmeYeTuS9XM9rZD49R7QGI1ddwpIqFOjf0PwZSyc7L K4wbKdiZLnU3sG3Th7Sz1nwdjuDR0m/cOXwMWY+rp9o5CXVWJD0OteOFPxTRkPfc3W tA2yhICYySvCjGyl+pfYe0UpmlK588iZgEL1BRmzVkhZg563lSQsCUNUFwJlQkEXCO r91rov3qqtgX+plKuuUPNUkhGmIg/cKIRS5WBeUJoHXVVOWZNnXwe8uB4XSLTrUeVS z58YcvODjW4jw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Trond Myklebust , Jeff Layton , Benjamin Coddington , Sasha Levin , trondmy@kernel.org, anna@kernel.org, linux-nfs@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 05/79] NFSv4: Treat ENETUNREACH errors as fatal for state recovery Date: Mon, 5 May 2025 19:20:37 -0400 Message-Id: <20250505232151.2698893-5-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505232151.2698893-1-sashal@kernel.org> References: <20250505232151.2698893-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.4.293 Content-Transfer-Encoding: 8bit From: Trond Myklebust [ Upstream commit 0af5fb5ed3d2fd9e110c6112271f022b744a849a ] 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. Reviewed-by: Jeff Layton Reviewed-by: Benjamin Coddington Signed-off-by: Trond Myklebust Signed-off-by: Sasha Levin --- fs/nfs/nfs4state.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 1d38484e0a53b..b64a3751c3e4a 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2655,7 +2655,15 @@ static void nfs4_state_manager(struct nfs_client *clp) pr_warn_ratelimited("NFS: state manager%s%s failed on NFSv4 server %s" " with error %d\n", section_sep, section, clp->cl_hostname, -status); - ssleep(1); + switch (status) { + case -ENETDOWN: + case -ENETUNREACH: + nfs_mark_client_ready(clp, -EIO); + break; + default: + ssleep(1); + break; + } out_drain: memalloc_nofs_restore(memflags); nfs4_end_drain_session(clp); -- 2.39.5