From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f71.google.com (mail-pg0-f71.google.com [74.125.83.71]) by kanga.kvack.org (Postfix) with ESMTP id 6D17B6B002E for ; Mon, 26 Feb 2018 23:30:00 -0500 (EST) Received: by mail-pg0-f71.google.com with SMTP id w19so6439098pgv.4 for ; Mon, 26 Feb 2018 20:30:00 -0800 (PST) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTPS id a80si7915737pfa.315.2018.02.26.20.29.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Feb 2018 20:29:59 -0800 (PST) Subject: [PATCH v4 11/12] dax: fix S_DAX definition From: Dan Williams Date: Mon, 26 Feb 2018 20:20:53 -0800 Message-ID: <151970525357.26729.16503435900105555250.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <151970519370.26729.1011551137381425076.stgit@dwillia2-desk3.amr.corp.intel.com> References: <151970519370.26729.1011551137381425076.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-nvdimm@lists.01.org Cc: Jan Kara , linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-mm@kvack.org, Alexander Viro , linux-fsdevel@vger.kernel.org, Christoph Hellwig Make sure S_DAX is defined in the CONFIG_FS_DAX=n + CONFIG_DEV_DAX=y case. Otherwise vma_is_dax() may incorrectly return false in the Device-DAX case. Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Cc: Christoph Hellwig Cc: Fixes: dee410792419 ("/dev/dax, core: file operations and dax-mmap") Reviewed-by: Jan Kara Signed-off-by: Dan Williams --- include/linux/fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index 8021f10068d3..ae8d2495f51e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1859,7 +1859,7 @@ struct super_operations { #define S_IMA 1024 /* Inode has an associated IMA struct */ #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */ #define S_NOSEC 4096 /* no suid or xattr security attributes */ -#ifdef CONFIG_FS_DAX +#if IS_ENABLED(CONFIG_FS_DAX) || IS_ENABLED(CONFIG_DEV_DAX) #define S_DAX 8192 /* Direct Access, avoiding the page cache */ #else #define S_DAX 0 /* Make all the DAX code disappear */ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org