From patchwork Thu Aug 30 17:42:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josef Bacik X-Patchwork-Id: 10582463 Return-Path: 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 2A3A41805 for ; Thu, 30 Aug 2018 17:43:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 192A3284DA for ; Thu, 30 Aug 2018 17:43:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0DBF228676; Thu, 30 Aug 2018 17:43:07 +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 B092D284DA for ; Thu, 30 Aug 2018 17:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727675AbeH3VqU (ORCPT ); Thu, 30 Aug 2018 17:46:20 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:41961 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727582AbeH3VqU (ORCPT ); Thu, 30 Aug 2018 17:46:20 -0400 Received: by mail-qk1-f196.google.com with SMTP id h138-v6so22939qke.8 for ; Thu, 30 Aug 2018 10:43:05 -0700 (PDT) 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=VD0XiwwWoL+eG/ntpbfeg7SK6ePf5272Lw4r2/bMF0M=; b=gyDli+rYE7+XxZhBo1r+ECon5NN+rc8rmM7ePHhNwDUHmUXbjZtkhzCu3ZQS5g/3sl pKPSfvlat3YhA9pFpHKNfX9DgAMZYbfsAhv0KUisrJ6uugWaVV5BJYg54dVT5R3cPR/+ Mx5QCKXbqJM28V6pCpkeMCD2cb/sv/OvzkWmXu0ePfAQzzAPvvAffopJrKDmEtcIeUXh VfFOHBVgp6VgVEfW3pGr82b6lO72I6QBQ4oAbKcA83uktfVNYByueWI9AzCsOp/4Hucd xT1AbSvbL1QrL752KXi4HQy+uJkDwOm2S49NrmVpT+cQ4wt5WAGj+zOAnNeqQbjJWSNi HxAw== 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=VD0XiwwWoL+eG/ntpbfeg7SK6ePf5272Lw4r2/bMF0M=; b=EShTY6tKkjqe/nNh4vU3aycHr4tP/9qBA0Gw4LVqAxetyPS3Vb8YCovxfwGgzOwJ9p m7u6wVTZru+DpPHF/X1jCygQKJjJa9cIwJEdQaKhcJJ1f4GKN5/YxWrZrsRmVVQeRIpu E5rTuZypOr5FUXwRqa3UarWnzZ5y/0sfF1fV0jPKDHoOldWz/B8jA1FyY7cT/RgcN+X1 hpzem+/T2ua3vR8rKoVyb5XxthkZvzKaPwOIZnRJyHzbFBwA4wkrFGasZkJ+iPyBUx+1 RPYQzCiCfD7KBVm4aQ1g/7xvpvjsa54zb0Tgaiq2PdpVK0L1eBjqA9gY/HO2QghOgNHq yjQg== X-Gm-Message-State: APzg51BLNow8hmW3LBTO4+N83bvf568vq7jPp3+/FUFAlycKWJmyddY0 6QiC18qb8hR54kJsZOU911S6s/FBpaV/eA== X-Google-Smtp-Source: ANB0VdbBiuoPKc5BMR1fg9zUJvzzeBnx5b/f0uYCy889TA4Q56ZoNZfJzdl0sXBp/B+4klpM9lvz6w== X-Received: by 2002:a37:6dc4:: with SMTP id i187-v6mr12506092qkc.34.1535650984341; Thu, 30 Aug 2018 10:43:04 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id b134-v6sm4501513qka.63.2018.08.30.10.43.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 Aug 2018 10:43:03 -0700 (PDT) From: Josef Bacik To: linux-btrfs@vger.kernel.org Cc: Josef Bacik Subject: [PATCH 20/35] btrfs: reset max_extent_size on clear in a bitmap Date: Thu, 30 Aug 2018 13:42:10 -0400 Message-Id: <20180830174225.2200-21-josef@toxicpanda.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180830174225.2200-1-josef@toxicpanda.com> References: <20180830174225.2200-1-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 We need to clear the max_extent_size when we clear bits from a bitmap since it could have been from the range that contains the max_extent_size. Signed-off-by: Josef Bacik Reviewed-by: Liu Bo --- fs/btrfs/free-space-cache.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 53521027dd78..7faca05e61ea 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1683,6 +1683,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, bitmap_clear(info->bitmap, start, count); info->bytes -= bytes; + if (info->max_extent_size > ctl->unit) + info->max_extent_size = 0; } static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,