From patchwork Thu Jan 17 08:48:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 10767721 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 729831580 for ; Thu, 17 Jan 2019 08:49:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 548442E7E8 for ; Thu, 17 Jan 2019 08:49:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 47BC42E826; Thu, 17 Jan 2019 08:49:16 +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 D99702E7E8 for ; Thu, 17 Jan 2019 08:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726894AbfAQItK (ORCPT ); Thu, 17 Jan 2019 03:49:10 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2183 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726098AbfAQItK (ORCPT ); Thu, 17 Jan 2019 03:49:10 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 2617BEF7E2E01413F565; Thu, 17 Jan 2019 16:49:08 +0800 (CST) Received: from localhost (10.177.31.96) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.408.0; Thu, 17 Jan 2019 16:48:58 +0800 From: YueHaibing To: , , CC: , , YueHaibing Subject: [PATCH -next] btrfs: remove unused function btrfs_sysfs_feature_update Date: Thu, 17 Jan 2019 16:48:28 +0800 Message-ID: <20190117084828.14440-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected 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 There are no in-tree callers. Signed-off-by: YueHaibing --- fs/btrfs/sysfs.c | 33 --------------------------------- fs/btrfs/sysfs.h | 2 -- 2 files changed, 35 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 5a5930e..88f546d 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -872,39 +872,6 @@ int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info) return error; } - -/* - * Change per-fs features in /sys/fs/btrfs/UUID/features to match current - * values in superblock. Call after any changes to incompat/compat_ro flags - */ -void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, - u64 bit, enum btrfs_feature_set set) -{ - struct btrfs_fs_devices *fs_devs; - struct kobject *fsid_kobj; - u64 features; - int ret; - - if (!fs_info) - return; - - features = get_features(fs_info, set); - ASSERT(bit & supported_feature_masks[set]); - - fs_devs = fs_info->fs_devices; - fsid_kobj = &fs_devs->fsid_kobj; - - if (!fsid_kobj->state_initialized) - return; - - /* - * FIXME: this is too heavy to update just one value, ideally we'd like - * to use sysfs_update_group but some refactoring is needed first. - */ - sysfs_remove_group(fsid_kobj, &btrfs_feature_attr_group); - ret = sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group); -} - static int btrfs_init_debugfs(void) { #ifdef CONFIG_DEBUG_FS diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index 40716b3..ce5f4f5 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -88,7 +88,5 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs, struct kobject *parent); int btrfs_sysfs_add_device(struct btrfs_fs_devices *fs_devs); void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs); -void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, - u64 bit, enum btrfs_feature_set set); #endif