From patchwork Mon Feb 11 05:16:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 10805115 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 508EE13BF for ; Mon, 11 Feb 2019 05:17:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 409ED29A44 for ; Mon, 11 Feb 2019 05:17:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 32CFC29C6D; Mon, 11 Feb 2019 05:17:05 +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,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 CD6A729A44 for ; Mon, 11 Feb 2019 05:17:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726041AbfBKFRD (ORCPT ); Mon, 11 Feb 2019 00:17:03 -0500 Received: from mx2.suse.de ([195.135.220.15]:49418 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725939AbfBKFRC (ORCPT ); Mon, 11 Feb 2019 00:17:02 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id AE863AD38 for ; Mon, 11 Feb 2019 05:17:01 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Cc: Nikolay Borisov , Johannes Thumshirn Subject: [PATCH v3 2/9] btrfs: extent-tree: Open-code process_func in __btrfs_mod_ref Date: Mon, 11 Feb 2019 13:16:46 +0800 Message-Id: <20190211051653.3167-3-wqu@suse.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190211051653.3167-1-wqu@suse.com> References: <20190211051653.3167-1-wqu@suse.com> MIME-Version: 1.0 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 The process_func function pointer is local to __btrfs_mod_ref() and points to either btrfs_inc_extent_ref() or btrfs_free_extent(). Open code it to make later delayed ref refactor easier, so we can refactor btrfs_inc_extent_ref() and btrfs_free_extent() in different patches. Signed-off-by: Qu Wenruo Reviewed-by: Nikolay Borisov Reviewed-by: Johannes Thumshirn --- fs/btrfs/extent-tree.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 9f012c2facbe..606187ede47b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3252,10 +3252,6 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, int i; int level; int ret = 0; - int (*process_func)(struct btrfs_trans_handle *, - struct btrfs_root *, - u64, u64, u64, u64, u64, u64); - if (btrfs_is_testing(fs_info)) return 0; @@ -3267,11 +3263,6 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state) && level == 0) return 0; - if (inc) - process_func = btrfs_inc_extent_ref; - else - process_func = btrfs_free_extent; - if (full_backref) parent = buf->start; else @@ -3293,16 +3284,27 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi); key.offset -= btrfs_file_extent_offset(buf, fi); - ret = process_func(trans, root, bytenr, num_bytes, - parent, ref_root, key.objectid, - key.offset); + if (inc) + ret = btrfs_inc_extent_ref(trans, root, bytenr, + num_bytes, parent, ref_root, + key.objectid, key.offset); + else + ret = btrfs_free_extent(trans, root, bytenr, + num_bytes, parent, ref_root, + key.objectid, key.offset); if (ret) goto fail; } else { bytenr = btrfs_node_blockptr(buf, i); num_bytes = fs_info->nodesize; - ret = process_func(trans, root, bytenr, num_bytes, - parent, ref_root, level - 1, 0); + if (inc) + ret = btrfs_inc_extent_ref(trans, root, bytenr, + num_bytes, parent, ref_root, + level - 1, 0); + else + ret = btrfs_free_extent(trans, root, bytenr, + num_bytes, parent, ref_root, + level - 1, 0); if (ret) goto fail; }