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 495402566 for ; Tue, 18 Apr 2023 12:26:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2D8AC4339B; Tue, 18 Apr 2023 12:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681820802; bh=s3dsItB7vcQSbe8IJwpN6EH8MFid+e+sYq566924UvA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CYkiDiij/j6S0aX1EOkjABCxsZxpPoaHBZl3Z7ub0CWZH+4BVk1XA7Sh3tqsR/+HD 5TQ0dr3hJS75UET2akolcq1vA/q+fI9gs1lz/Qpr4+jUDmfn5DGb3zungOvY0toGd6 nYgGaVhduEir/oNWdrJsisDA+832oSz8mCCxU5vg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Trond Myklebust , Anna Schumaker , Sasha Levin Subject: [PATCH 4.19 07/57] NFSv4: Fix hangs when recovering open state after a server reboot Date: Tue, 18 Apr 2023 14:21:07 +0200 Message-Id: <20230418120258.971213286@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120258.713853188@linuxfoundation.org> References: <20230418120258.713853188@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Trond Myklebust [ Upstream commit 6165a16a5ad9b237bb3131cff4d3c601ccb8f9a3 ] When we're using a cached open stateid or a delegation in order to avoid sending a CLAIM_PREVIOUS open RPC call to the server, we don't have a new open stateid to present to update_open_stateid(). Instead rely on nfs4_try_open_cached(), just as if we were doing a normal open. Fixes: d2bfda2e7aa0 ("NFSv4: don't reprocess cached open CLAIM_PREVIOUS") Cc: stable@vger.kernel.org Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/nfs4proc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 70150894ed77f..3651619468d74 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1851,8 +1851,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) if (!data->rpc_done) { if (data->rpc_status) return ERR_PTR(data->rpc_status); - /* cached opens have already been processed */ - goto update; + return nfs4_try_open_cached(data); } ret = nfs_refresh_inode(inode, &data->f_attr); @@ -1861,7 +1860,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) if (data->o_res.delegation_type != 0) nfs4_opendata_check_deleg(data, state); -update: + if (!update_open_stateid(state, &data->o_res.stateid, NULL, data->o_arg.fmode)) return ERR_PTR(-EAGAIN); -- 2.39.2