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=-8.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 14F0BC04EB8 for ; Wed, 12 Dec 2018 07:31:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C52302084E for ; Wed, 12 Dec 2018 07:31:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C52302084E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726637AbeLLHbt (ORCPT ); Wed, 12 Dec 2018 02:31:49 -0500 Received: from mx2.suse.de ([195.135.220.15]:39718 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726317AbeLLHbt (ORCPT ); Wed, 12 Dec 2018 02:31:49 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id EC4A5AE1F for ; Wed, 12 Dec 2018 07:31:47 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 6/8] btrfs: extent-tree: Use btrfs_ref to refactor add_pinned_bytes() Date: Wed, 12 Dec 2018 15:31:00 +0800 Message-Id: <20181212073102.7736-7-wqu@suse.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181212073102.7736-1-wqu@suse.com> References: <20181212073102.7736-1-wqu@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Since add_pinned_bytes() only needs to know if the extent is metadata and if it's a chunk tree extent, btrfs_ref is a perfect match for it, as we don't need various owner/level trick to determine extent type. Signed-off-by: Qu Wenruo Reviewed-by: Nikolay Borisov --- fs/btrfs/extent-tree.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 6e0706195279..83662e9bde0f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -738,14 +738,15 @@ static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info, return NULL; } -static void add_pinned_bytes(struct btrfs_fs_info *fs_info, s64 num_bytes, - bool metadata, u64 root_objectid) +static void add_pinned_bytes(struct btrfs_fs_info *fs_info, + struct btrfs_ref *ref) { struct btrfs_space_info *space_info; + s64 num_bytes = -ref->len; u64 flags; - if (metadata) { - if (root_objectid == BTRFS_CHUNK_TREE_OBJECTID) + if (ref->type == BTRFS_REF_METADATA) { + if (ref->tree_ref.root == BTRFS_CHUNK_TREE_OBJECTID) flags = BTRFS_BLOCK_GROUP_SYSTEM; else flags = BTRFS_BLOCK_GROUP_METADATA; @@ -2052,11 +2053,8 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, btrfs_ref_tree_mod(fs_info, &generic_ref); - if (ret == 0 && old_ref_mod < 0 && new_ref_mod >= 0) { - bool metadata = owner < BTRFS_FIRST_FREE_OBJECTID; - - add_pinned_bytes(fs_info, -num_bytes, metadata, root_objectid); - } + if (ret == 0 && old_ref_mod < 0 && new_ref_mod >= 0) + add_pinned_bytes(fs_info, &generic_ref); return ret; } @@ -7054,8 +7052,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, } out: if (pin) - add_pinned_bytes(fs_info, buf->len, true, - root->root_key.objectid); + add_pinned_bytes(fs_info, &generic_ref); if (last_ref) { /* @@ -7106,11 +7103,8 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, if (root_objectid != BTRFS_TREE_LOG_OBJECTID) btrfs_ref_tree_mod(fs_info, &generic_ref); - if (ret == 0 && old_ref_mod >= 0 && new_ref_mod < 0) { - bool metadata = owner < BTRFS_FIRST_FREE_OBJECTID; - - add_pinned_bytes(fs_info, num_bytes, metadata, root_objectid); - } + if (ret == 0 && old_ref_mod >= 0 && new_ref_mod < 0) + add_pinned_bytes(fs_info, &generic_ref); return ret; } -- 2.19.2