From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752340AbcJ2GL0 (ORCPT ); Sat, 29 Oct 2016 02:11:26 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:63340 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818AbcJ2GLZ (ORCPT ); Sat, 29 Oct 2016 02:11:25 -0400 From: zhongjiang To: , , , , , CC: , Subject: [RFC PATCH] hugetlbfs: fix the hugetlbfs can not be mounted Date: Sat, 29 Oct 2016 14:08:31 +0800 Message-ID: <1477721311-54522-1-git-send-email-zhongjiang@huawei.com> X-Mailer: git-send-email 1.7.12.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: zhong jiang Since 'commit 3e89e1c5ea84 ("hugetlb: make mm and fs code explicitly non-modular")' bring in the mainline. mount hugetlbfs will result in the following issue. mount: unknown filesystme type 'hugetlbfs' because previous patch remove the module_alias_fs, when we mount the fs type, the caller get_fs_type can not find the filesystem. The patch just recover the module_alias_fs to identify the hugetlbfs. Signed-off-by: zhong jiang --- fs/hugetlbfs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 4fb7b10..b63e7de 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -1209,6 +1210,7 @@ static struct dentry *hugetlbfs_mount(struct file_system_type *fs_type, .mount = hugetlbfs_mount, .kill_sb = kill_litter_super, }; +MODULE_ALIAS_FS("hugetlbfs"); static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; -- 1.8.3.1