From patchwork Mon Dec 11 16:36:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josef Bacik X-Patchwork-Id: 10105515 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 AFBA9602B3 for ; Mon, 11 Dec 2017 16:38:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A16C129597 for ; Mon, 11 Dec 2017 16:38:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95C59297A2; Mon, 11 Dec 2017 16:38:27 +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 1D94E29597 for ; Mon, 11 Dec 2017 16:38:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752935AbdLKQhk (ORCPT ); Mon, 11 Dec 2017 11:37:40 -0500 Received: from mail-qt0-f193.google.com ([209.85.216.193]:38965 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752705AbdLKQg4 (ORCPT ); Mon, 11 Dec 2017 11:36:56 -0500 Received: by mail-qt0-f193.google.com with SMTP id k19so40002431qtj.6 for ; Mon, 11 Dec 2017 08:36:56 -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=1N9CLJesMcgR4k7wqhzXXzX+wJM05/Ym9Bx6ozFUa0g=; b=s5R2C8/WW3bXVGsYlOJF4egI9XBqPCD7XpMwfXmPHll/oZVJ8P9Jf7tf6BnTh2KYxt 56l588Xscm9WOro6QjJr1Los6e0+XKGodMISZk5HO2Xgd6q9HutXLZ2tj0GwnWJ0rDcT BMUiJcZREXE/AuFBs5A+sAPMj4XtBjYhf6qYQIJxGLXaMMWgAh6QuE5X5MypLHz/OkGO Bq/FzD1nR0xVPWro/nDxcJyPEGMHNIxRC2wbZbtUIkY6KBfc4kzt7bMX4RU4ILe6tkHR fPAXVHbpjnaQdSW8VvkwUmDIWcMa7rO/YSOlDLl9v9+FVK6LsnLfG70E8Dsyp6qZXPeP 9+zA== 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=1N9CLJesMcgR4k7wqhzXXzX+wJM05/Ym9Bx6ozFUa0g=; b=RBOYR2cOruyJFRbDfxCn6GIqQ9bkXG0MAPB5DQr5pa761Xu755l3Av8zn7EfWGqHEg 6Q8V+dDyLr+QkSBiDYf/jYWAruc0WZJ4+agyO995Y1YxRZ9Y+N3MvrvzmhRy0ER4LVOs DciiF5jA74F+may7KI0tAWSxgv+YCw9PGj6JKZ6rlFnpP/nsHIj1NznNLCd6nViBmH1J u6bYJUXXefR0ViwCBra2o99HhAtJXJgx3/N0IBkl8zxmqVKCkq96WPBMeCY8tCvZT57s YiYXo+7q7XkD9FHlf6mO82KW97IN8X9hpTr8GLhad30CQyB3PrYWD+dgj9qqT6kGzUvp tV5w== X-Gm-Message-State: AKGB3mIKu4p4Y9OYDdlCDRxIyQ8F/2wmJZSggAp6MQsaOV9Gz4tOTYW6 xrZfV5uMRghgg+neuSBHJwK+AA== X-Google-Smtp-Source: ACJfBot8D9dN2oMoomBNOvtd1A2ku/MGH+n4Fa9YhPRQHaLBNbLQ5l67LbmksWHnTdNCHkGvo8DuUg== X-Received: by 10.200.54.176 with SMTP id a45mr1332383qtc.176.1513010216000; Mon, 11 Dec 2017 08:36:56 -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 t6sm4531621qkt.33.2017.12.11.08.36.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Dec 2017 08:36:55 -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 v9 2/5] btrfs: make open_ctree error injectable Date: Mon, 11 Dec 2017 11:36:47 -0500 Message-Id: <1513010210-30594-3-git-send-email-josef@toxicpanda.com> X-Mailer: git-send-email 2.7.5 In-Reply-To: <1513010210-30594-1-git-send-email-josef@toxicpanda.com> References: <1513010210-30594-1-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 10a2a579cc7f..02b5f5667754 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" @@ -3123,6 +3124,7 @@ 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) {