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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 DD8EEC43381 for ; Sun, 17 Mar 2019 18:02:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF3BF2086A for ; Sun, 17 Mar 2019 18:02:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726576AbfCQSCN (ORCPT ); Sun, 17 Mar 2019 14:02:13 -0400 Received: from mga01.intel.com ([192.55.52.88]:6475 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725914AbfCQSCN (ORCPT ); Sun, 17 Mar 2019 14:02:13 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Mar 2019 11:02:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,490,1544515200"; d="scan'208";a="135093367" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.16]) by fmsmga007.fm.intel.com with ESMTP; 17 Mar 2019 11:02:13 -0700 Subject: [PATCH] device-dax: Drop register_filesystem() From: Dan Williams To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org Date: Sun, 17 Mar 2019 10:49:34 -0700 Message-ID: <155284497431.996981.8629530520988419809.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.18-2-gc94f MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org The device-dax fs is only there to allocate a common inode for each device-node that refers to the same device by major:minor. It is otherwise not user mountable and need not be displayed in /proc/filesystems. Reported-by: Al Viro Acked-by: Al Viro Signed-off-by: Dan Williams --- drivers/dax/super.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/dax/super.c b/drivers/dax/super.c index ccb22d8db3a2..3d6a9e61e358 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -615,10 +615,6 @@ static int dax_fs_init(void) if (!dax_cache) return -ENOMEM; - rc = register_filesystem(&dax_fs_type); - if (rc) - goto err_register_fs; - dax_mnt = kern_mount(&dax_fs_type); if (IS_ERR(dax_mnt)) { rc = PTR_ERR(dax_mnt); @@ -629,8 +625,6 @@ static int dax_fs_init(void) return 0; err_mount: - unregister_filesystem(&dax_fs_type); - err_register_fs: kmem_cache_destroy(dax_cache); return rc; @@ -639,7 +633,6 @@ static int dax_fs_init(void) static void dax_fs_exit(void) { kern_unmount(dax_mnt); - unregister_filesystem(&dax_fs_type); kmem_cache_destroy(dax_cache); }