From patchwork Wed Nov 22 21:23:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josef Bacik X-Patchwork-Id: 10071225 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1FC8960353 for ; Wed, 22 Nov 2017 21:25:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 121DA29DA4 for ; Wed, 22 Nov 2017 21:25:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 06E3A29E07; Wed, 22 Nov 2017 21:25:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A6DBF29DA4 for ; Wed, 22 Nov 2017 21:25:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752187AbdKVVXq (ORCPT ); Wed, 22 Nov 2017 16:23:46 -0500 Received: from mail-qt0-f194.google.com ([209.85.216.194]:44464 "EHLO mail-qt0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751970AbdKVVXk (ORCPT ); Wed, 22 Nov 2017 16:23:40 -0500 Received: by mail-qt0-f194.google.com with SMTP id h42so25549968qtk.11 for ; Wed, 22 Nov 2017 13:23:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=mQDI30tIDWkp1aoIUesh/J2iZisbWqH9val4OS3e7JM=; b=GzbFNcQj4LypT52tI73vzqfkoFrVu52bSiuS22idKCpQ1qG7Stt283kgl+knv5RHVX ea4uFu7XYG3UK9V2witALyqfpQGmWCoGG55U3hQZ187zWRfdMBD0I+JOeOloPCathYnS YclgTQL3lDdoT8E8kUcavCr0omM+DtUFbiucikgw13Ws9wiz925bcyWCz4G+0aI4/x8w u0iGKtS1jeS0byftYoqiCQRDF5vLtvp4iBIH1JQ/L1kDTlMoxP/Wi5HaUoIql7QkpLv5 gV2Ny/BqCjM5vemxQE9+kU/kTTp2cc5dftd7Yro8TYCcEl/o+0rHi6zi7XztaisZm+fD puRw== 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:in-reply-to :references; bh=mQDI30tIDWkp1aoIUesh/J2iZisbWqH9val4OS3e7JM=; b=Z3c+TLzZnW6jU9g/duVduWKI1SgNknV7CND/qIoOn6eOidEBJJyXUkAsRJUWcfJCkJ Bs3XL4SzQSw902a/4OGTQVOIWmTyRo8oAb5hVUPW3xrlZsfV3OsvjTk9zjonvG+HoinT J0aaQ96ATMHEjYAp7GftoYWUzCqTXPZYPsrWk6y5Qx3vc1wQLXUYGihM5sH4AYx8wDzi id1kg/g1LxJIYnvPOCpoLqgF9JadLI6auRRG3HbN5V6YXi1y0sessfd97m2zyLzISzgC c7xp6BAE3X5m3kUwg3rO/T926WAI2PNZE4GyFlk9VpipAWNc/WjsiRG1owb501Nn/5t2 C88A== X-Gm-Message-State: AJaThX57JS3j5Ubidu1NITAmsOPfYRlhlO+UTwyJ3YsCWpGaa7UDEJIG yRyh17JUPEP4Y+1c66Uz86/4sA== X-Google-Smtp-Source: AGs4zMbyZtSXrCCPWbOyjZNfrlkK9RSnoIEutWGfOkwIIOJ/pCUnMQFNsmEnyfCl9/qj4YoXj4mkAQ== X-Received: by 10.237.36.23 with SMTP id r23mr35418426qtc.326.1511385820028; Wed, 22 Nov 2017 13:23:40 -0800 (PST) Received: from localhost (cpe-2606-A000-4381-1201-225-22FF-FEB3-E51A.dyn6.twc.com. [2606:a000:4381:1201:225:22ff:feb3:e51a]) by smtp.gmail.com with ESMTPSA id f96sm11292458qtb.59.2017.11.22.13.23.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Nov 2017 13:23:39 -0800 (PST) From: Josef Bacik To: rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, ast@kernel.org, kernel-team@fb.com, daniel@iogearbox.net, linux-btrfs@vger.kernel.org Cc: Josef Bacik Subject: [PATCH v7 2/5] btrfs: make open_ctree error injectable Date: Wed, 22 Nov 2017 16:23:31 -0500 Message-Id: <1511385814-20863-3-git-send-email-josef@toxicpanda.com> X-Mailer: git-send-email 2.7.5 In-Reply-To: <1511385814-20863-1-git-send-email-josef@toxicpanda.com> References: <1511385814-20863-1-git-send-email-josef@toxicpanda.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Josef Bacik This allows us to do error injection with BPF for open_ctree. Signed-off-by: Josef Bacik Acked-by: Ingo Molnar --- fs/btrfs/disk-io.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index dfdab849037b..69d17a640b94 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include "ctree.h" #include "disk-io.h" @@ -3283,6 +3284,7 @@ int open_ctree(struct super_block *sb, goto fail_block_groups; goto retry_root_backup; } +BPF_ALLOW_ERROR_INJECTION(open_ctree); static void btrfs_end_buffer_write_sync(struct buffer_head *bh, int uptodate) {