From patchwork Fri Apr 17 08:34:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yanhu Cao X-Patchwork-Id: 11494485 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ACAB8912 for ; Fri, 17 Apr 2020 08:36:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 956B12137B for ; Fri, 17 Apr 2020 08:36:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YVgpdYoi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729799AbgDQIgA (ORCPT ); Fri, 17 Apr 2020 04:36:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729749AbgDQIgA (ORCPT ); Fri, 17 Apr 2020 04:36:00 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A0F8C061A0C; Fri, 17 Apr 2020 01:36:00 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id ay1so729613plb.0; Fri, 17 Apr 2020 01:36:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4QLRhq6ncbx33txx+lUViw8XofjfiGIYfFDkLE6el/g=; b=YVgpdYoiePmKpjkxliGptstAUcntBCNcszJR4qwGZQTaLz/TeDVK+uCgOqvkKgBshz 4aXtaWtvivVpQdrRYXNVxAIRDU+C1oa+F5f0pihUBgxsINbo5zi4vsPOP7Syx0e0NA7u aM2GVtro1ThlIhW1LZxc0DvrgYh2gjurdWQwFS/8/n1ATtkHivQQyeIcXtf2ZNDpw+FT ACtDGHsHAvV5fq9aVRzmSMncXOTsKtAq9l3tFp02efakUxXXTZ0pvc0y7Bp5gaqnp9+N mbrFnBlrEBnerUATsfirA5y5XBa4ySPfPCYLsR5OAXynyVVzUMjjSREOEaWrJa9HZ+Dp gxkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4QLRhq6ncbx33txx+lUViw8XofjfiGIYfFDkLE6el/g=; b=H+o71ORluC6oWIhq6lH9nu4vAbs27lGQN+FvQGumr9JV9SCr+uc9kjivY/kvNOQeLI GnnSqYlAgE+wQve5eoyhD12R9WcTgySiRgOx5HpwWm7CNRahvSGZ5DVXRnbe9CrG9vGP nvJxYuUEq2btASYWPdDOLXlQJUbiS2dQ+Qou7EDpOXUHCFjBHrSgGz+wwgU3Pv+e4roe S85NY9CBPSrrZTIUaSpCmIS0u5UByJ4l/1hslSpOskEUUgIm+Kuf/5VB66+qzIEz2R+J a4NzDqzLHvNVPTSANyOceLZ3vFjAW+1xancUPSt4GJV1MsSocLn/l3u8aIuqakx3KmYN vqtA== X-Gm-Message-State: AGi0PuYqwXluFRPebJcNlVzAGW3EefkBCH5tbpw3HwSlKhpII1e71wjZ S9tNS3zGJL4FCjZPf2TUVDFSbu9b X-Google-Smtp-Source: APiQypJioufUW7TEzYboWDBC3g+W2H1t4WIJr8JpXuTGtM3FNYBy6u4DU/LQafZmo5+wXrkf0vEQ7A== X-Received: by 2002:a17:902:9a82:: with SMTP id w2mr2445787plp.117.1587112559701; Fri, 17 Apr 2020 01:35:59 -0700 (PDT) Received: from MacBook-Pro.mshome.net ([122.224.153.228]) by smtp.googlemail.com with ESMTPSA id ev5sm2690522pjb.1.2020.04.17.01.35.56 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Apr 2020 01:35:59 -0700 (PDT) From: Yanhu Cao To: jlayton@kernel.org Cc: sage@redhat.com, idryomov@gmail.com, ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org, Yanhu Cao Subject: [PATCH] ceph: if we are blacklisted, __do_request returns directly Date: Fri, 17 Apr 2020 16:34:48 +0800 Message-Id: <20200417083448.9122-1-gmayyyha@gmail.com> X-Mailer: git-send-email 2.24.2 (Apple Git-127) MIME-Version: 1.0 Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Signed-off-by: Yanhu Cao --- fs/ceph/mds_client.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 486f91f9685b..d2ea755b7c02 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -2708,6 +2708,11 @@ static void __do_request(struct ceph_mds_client *mdsc, put_request_session(req); + if (mdsc->fsc->blacklisted) { + err = -EACCES; + goto finish; + } + mds = __choose_mds(mdsc, req, &random); if (mds < 0 || ceph_mdsmap_get_state(mdsc->mdsmap, mds) < CEPH_MDS_STATE_ACTIVE) {