From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACABBC0018C for ; Mon, 7 Dec 2020 13:58:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51E62235DD for ; Mon, 7 Dec 2020 13:58:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726820AbgLGN6f (ORCPT ); Mon, 7 Dec 2020 08:58:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726234AbgLGN6f (ORCPT ); Mon, 7 Dec 2020 08:58:35 -0500 Received: from mail-qk1-x742.google.com (mail-qk1-x742.google.com [IPv6:2607:f8b0:4864:20::742]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23890C0613D3 for ; Mon, 7 Dec 2020 05:57:55 -0800 (PST) Received: by mail-qk1-x742.google.com with SMTP id u4so12480105qkk.10 for ; Mon, 07 Dec 2020 05:57:55 -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 :mime-version:content-transfer-encoding; bh=QMa7bV9M06CL/jmsCalzp9jQP6wxpAhOdiQ2gxt0798=; b=n9tWfkLmQqMcmC6fqUYSjAIC6q4RSWhdVVf43DJSYOzkkVDE2SUlG8PG38qwEJknwc FHfoWMFE8tZfUn1X/iH3Ac3qHmTCHsdaHQ4w2ZNpIWp6eQKfSV2NanMi+MtO0WlL4xLa oSKEfNXyj2JXamzXGtbXuVRm1oi0srF5ooXvIdaUpXghA7cFT5MgwugpLMHpoNBgVEVF QNg5MJmcaUmuHcazPXZPbP9bPWB/TIvzI9++/MVO0gLvTlVoeq6/oY2RrNtVJe4SYZmH kDD2hDBl9I5RI84AIkF5YYf6xZCW8oB9mj2slHaQJW2WGeYVGHfmqsMcsdLxgux6fxAa VVnw== 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:mime-version:content-transfer-encoding; bh=QMa7bV9M06CL/jmsCalzp9jQP6wxpAhOdiQ2gxt0798=; b=RbCIEmcWn48aVq0s5P+UoNIwScdNJ6tQnwZxO5L8CG6Yp80+tkC3s+t3HwUJWsMkYX WxEuN3hComHJiY9STBxuih1tvRAzslvpu0TxSsK2QaZjjolHCcwrIbWJLDDA9iA4Eo1Y F/6i2iYkIz+F2BraLf6ZJvTAkQIK45Xy/wHnC8sNu8BqXwc3OBhcJO8m3oAQQ8tfMBzG QTZiuUeFmFdg6K8o5/uGBtMZSDzSbIkCKyfKLZFXKvk6m9n+Lj6myDBfsv+qrVxfbfIp ireNmDawJNXgjgGSnt2XmIlfdxTlAdGWbDcFPC7FzuLHnE0f2Az9oQ1KxNgRuyx/8ikj fVYw== X-Gm-Message-State: AOAM533Ze0v6I+aSXltJyffyIBytS6Qjw1Dey6VDAk3ChCZoxLmfuqXH cJD2GQzxD9/d8a8k6Jt1fV3wZkg6GxJH4sk+ X-Google-Smtp-Source: ABdhPJyh1EUuQuXFrcAWIUNB6j8lBrkTzojTq1G0vuylRy832gXs0fnXBjKcEc05N7j1U/s4ViyczA== X-Received: by 2002:a37:2c82:: with SMTP id s124mr23910858qkh.130.1607349468475; Mon, 07 Dec 2020 05:57:48 -0800 (PST) Received: from localhost (cpe-174-109-172-136.nc.res.rr.com. [174.109.172.136]) by smtp.gmail.com with ESMTPSA id h26sm7202971qkj.96.2020.12.07.05.57.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 05:57:47 -0800 (PST) From: Josef Bacik To: linux-btrfs@vger.kernel.org, kernel-team@fb.com Cc: Qu Wenruo , Johannes Thumshirn Subject: [PATCH v5 01/52] btrfs: allow error injection for btrfs_search_slot and btrfs_cow_block Date: Mon, 7 Dec 2020 08:56:53 -0500 Message-Id: X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org The following patches are going to address error handling in relocation, in order to test those patches I need to be able to inject errors in btrfs_search_slot and btrfs_cow_block, as we call both of these pretty often in different cases during relocation. Reviewed-by: Qu Wenruo Reviewed-by: Johannes Thumshirn Signed-off-by: Josef Bacik --- fs/btrfs/ctree.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index cc89b63d65a4..56e132d825a2 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1494,6 +1494,7 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans, return ret; } +ALLOW_ERROR_INJECTION(btrfs_cow_block, ERRNO); /* * helper function for defrag to decide if two blocks pointed to by a @@ -2821,6 +2822,7 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root, btrfs_release_path(p); return ret; } +ALLOW_ERROR_INJECTION(btrfs_search_slot, ERRNO); /* * Like btrfs_search_slot, this looks for a key in the given tree. It uses the -- 2.26.2