Message ID | 20180928111821.24376-27-josef@toxicpanda.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-btrfs-owner@kernel.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 132B115A7 for <patchwork-linux-btrfs@patchwork.kernel.org>; Fri, 28 Sep 2018 11:19:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0BB832B061 for <patchwork-linux-btrfs@patchwork.kernel.org>; Fri, 28 Sep 2018 11:19:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 004A12B0CF; Fri, 28 Sep 2018 11:19:15 +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=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI 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 8FBF72B061 for <patchwork-linux-btrfs@patchwork.kernel.org>; Fri, 28 Sep 2018 11:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729503AbeI1Rmb (ORCPT <rfc822;patchwork-linux-btrfs@patchwork.kernel.org>); Fri, 28 Sep 2018 13:42:31 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:39354 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729343AbeI1Rmb (ORCPT <rfc822;linux-btrfs@vger.kernel.org>); Fri, 28 Sep 2018 13:42:31 -0400 Received: by mail-qt1-f195.google.com with SMTP id c25-v6so6145707qtp.6 for <linux-btrfs@vger.kernel.org>; Fri, 28 Sep 2018 04:19:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:in-reply-to:references; bh=X+PT81/Zp3zcYtUcLLi8M0fbP5w87s6IcVZs1kVoVUA=; b=NV4v21Y2b3kHq4kkKPvlC/HvRP7dcCk5/lM4olHWJqicPfAvk4YlW5W+vwEExSSn+U 9Klw3yT2SpKHOPvpq7eOsZUbrcVFTg78Q67bskkB25pijXy745SrlYGnQgyz1dVds6fc q2ICyVysqVjA5GGnwH8+ZFEaDbh3mbSG7HdWOzHoaQhIOqgHNwnbokDSy1v/njASGI6e EkDnHMZiRqHym76IdGbzBd+qfF9lMEzK2LgbmpbmyEZuZPULvyjkPAL+ketPWEy5wS9x rZM33NI9CqQhc3WSRY/pZQvofpUHefymIrpvTcgq/mj0JNnEieIgr58LGTMBqrOjJDLO Pv1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=X+PT81/Zp3zcYtUcLLi8M0fbP5w87s6IcVZs1kVoVUA=; b=SCgKSMzaKpTc50OhjdN5ugYp14GQ01+TqDo2Owstb5QtI6ipoWG6JmxL5NUaEKLSEm 838eOHQZEQGgejlqGQSuyUbHOggVBGHS/mlTdvnIVz7iEQ1k2AIvb3IGnAqhRvUy6Jq8 dFNicOChIfIH2exNuz15Vlf22kEqqJgrqvRyRqO2/Vnyf8cMIdvlFg5Un8bDlwdjk7Du qkrNeya3olqh4d6XwbsPt+xfqIpYySTkxvQ+ZYgpW+RUftFi8fWo/wWI9Mx7GK1K4189 Y+mtuRiqLKWdbrLqOoBHM5raINpLsBRRQiOtVEEoaEtkYrnZVwDpQSH4yRE7dDra8X97 bKUA== X-Gm-Message-State: ABuFfojIaKmHGd6Hw878xfsazBFFkr6AecIl2fjYN/riGLqTtceppIaX lwYZXPKbVmoiR1bI8AYP8o1UeKH8bZM= X-Google-Smtp-Source: ACcGV619t5wDGk18XGmTPD80PIF5VY5Br8iF9/rHCYFPTwct07QOPYzTrYr+c5w8+PyUsnIjpIhmCA== X-Received: by 2002:ac8:1793:: with SMTP id o19-v6mr11941511qtj.98.1538133553176; Fri, 28 Sep 2018 04:19:13 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id e29-v6sm3092790qte.47.2018.09.28.04.19.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 28 Sep 2018 04:19:12 -0700 (PDT) From: Josef Bacik <josef@toxicpanda.com> To: kernel-team@fb.com, linux-btrfs@vger.kernel.org Subject: [PATCH 26/42] btrfs: make btrfs_destroy_delayed_refs use btrfs_delayed_ref_lock Date: Fri, 28 Sep 2018 07:18:05 -0400 Message-Id: <20180928111821.24376-27-josef@toxicpanda.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180928111821.24376-1-josef@toxicpanda.com> References: <20180928111821.24376-1-josef@toxicpanda.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: <linux-btrfs.vger.kernel.org> X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP |
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diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 39bd158466cd..121ab180a78a 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4214,16 +4214,9 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, head = rb_entry(node, struct btrfs_delayed_ref_head, href_node); - if (!mutex_trylock(&head->mutex)) { - refcount_inc(&head->refs); - spin_unlock(&delayed_refs->lock); - - mutex_lock(&head->mutex); - mutex_unlock(&head->mutex); - btrfs_put_delayed_ref_head(head); - spin_lock(&delayed_refs->lock); + if (btrfs_delayed_ref_lock(delayed_refs, head)) continue; - } + spin_lock(&head->lock); while ((n = rb_first(&head->ref_tree)) != NULL) { ref = rb_entry(n, struct btrfs_delayed_ref_node,