From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753328AbdGJCiV (ORCPT ); Sun, 9 Jul 2017 22:38:21 -0400 Received: from LGEAMRELO11.lge.com ([156.147.23.51]:51293 "EHLO lgeamrelo11.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753122AbdGJCiQ (ORCPT ); Sun, 9 Jul 2017 22:38:16 -0400 X-Original-SENDERIP: 156.147.1.125 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com From: Byungchul Park To: torvalds@linux-foundation.org Cc: axboe@fb.com, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org, kernel-team@lge.com Subject: [RESEND PATCH] namespace.c: Don't reinvent the wheel but use existing llist API Date: Mon, 10 Jul 2017 11:37:32 +0900 Message-Id: <1499654252-32540-5-git-send-email-byungchul.park@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1499654252-32540-1-git-send-email-byungchul.park@lge.com> References: <1499654252-32540-1-git-send-email-byungchul.park@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Although llist provides proper APIs, they are not used. Make them used. Signed-off-by: Byungchul Park --- fs/namespace.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index b5b1259..5cb2229 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1082,12 +1082,10 @@ static void __cleanup_mnt(struct rcu_head *head) static void delayed_mntput(struct work_struct *unused) { struct llist_node *node = llist_del_all(&delayed_mntput_list); - struct llist_node *next; + struct mount *m, *t; - for (; node; node = next) { - next = llist_next(node); - cleanup_mnt(llist_entry(node, struct mount, mnt_llist)); - } + llist_for_each_entry_safe(m, t, node, mnt_llist) + cleanup_mnt(m); } static DECLARE_DELAYED_WORK(delayed_mntput_work, delayed_mntput); @@ -1615,7 +1613,7 @@ void __detach_mounts(struct dentry *dentry) namespace_unlock(); } -/* +/* * Is the caller allowed to modify his namespace? */ static inline bool may_mount(void) @@ -2159,7 +2157,7 @@ static int do_loopback(struct path *path, const char *old_name, err = -EINVAL; if (mnt_ns_loop(old_path.dentry)) - goto out; + goto out; mp = lock_mount(path); err = PTR_ERR(mp); -- 1.9.1