From patchwork Tue Apr 21 19:17:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 11502143 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 23B3D1392 for ; Tue, 21 Apr 2020 19:19:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 167802072D for ; Tue, 21 Apr 2020 19:19:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726151AbgDUTSz (ORCPT ); Tue, 21 Apr 2020 15:18:55 -0400 Received: from mga05.intel.com ([192.55.52.43]:59462 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726389AbgDUTSP (ORCPT ); Tue, 21 Apr 2020 15:18:15 -0400 IronPort-SDR: 2VrBZg3YsGpoPuY2e4ha4l7iDFxHrFko0Qo1L4PyjSw3w48v9gt7XS8PugHzn9Yofj2BJugiZr 5O5XQ0jcnjYA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2020 12:18:15 -0700 IronPort-SDR: BY38aG1IpsxE4DTwk6ImkdNLOfNRE9D4dSXAL6UoulrmXSK7Qvp2nHQw4RDpYkfMKSltb57JuY uLuNRQ68kYLA== X-IronPort-AV: E=Sophos;i="5.72,411,1580803200"; d="scan'208";a="334376226" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2020 12:18:14 -0700 From: ira.weiny@intel.com To: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, "Darrick J. Wong" Cc: Ira Weiny , Al Viro , Jan Kara , Dan Williams , Dave Chinner , Christoph Hellwig , "Theodore Y. Ts'o" , Jeff Moyer , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH V9 04/11] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS Date: Tue, 21 Apr 2020 12:17:46 -0700 Message-Id: <20200421191754.3372370-5-ira.weiny@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200421191754.3372370-1-ira.weiny@intel.com> References: <20200421191754.3372370-1-ira.weiny@intel.com> MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Ira Weiny In prep for the new tri-state mount option which then introduces XFS_MOUNT_DAX_NEVER. Reviewed-by: Darrick J. Wong Signed-off-by: Ira Weiny --- Changes from v8 Move bit to 26 --- fs/xfs/xfs_iops.c | 2 +- fs/xfs/xfs_mount.h | 3 +-- fs/xfs/xfs_super.c | 8 ++++---- 3 files changed, 6 insertions(+), 7 deletions(-) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index f7a99b3bbcf7..462f89af479a 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1248,7 +1248,7 @@ xfs_inode_supports_dax( return false; /* DAX mount option or DAX iflag must be set. */ - if (!(mp->m_flags & XFS_MOUNT_DAX) && + if (!(mp->m_flags & XFS_MOUNT_DAX_ALWAYS) && !(ip->i_d.di_flags2 & XFS_DIFLAG2_DAX)) return false; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index b2e4598fdf7d..f6123fb0113c 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -237,8 +237,7 @@ typedef struct xfs_mount { #define XFS_MOUNT_FILESTREAMS (1ULL << 24) /* enable the filestreams allocator */ #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */ - -#define XFS_MOUNT_DAX (1ULL << 62) /* TEST ONLY! */ +#define XFS_MOUNT_DAX_ALWAYS (1ULL << 26) /* * Max and min values for mount-option defined I/O diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 424bb9a2d532..ce169d1c7474 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -129,7 +129,7 @@ xfs_fs_show_options( { XFS_MOUNT_GRPID, ",grpid" }, { XFS_MOUNT_DISCARD, ",discard" }, { XFS_MOUNT_LARGEIO, ",largeio" }, - { XFS_MOUNT_DAX, ",dax" }, + { XFS_MOUNT_DAX_ALWAYS, ",dax" }, { 0, NULL } }; struct xfs_mount *mp = XFS_M(root->d_sb); @@ -1261,7 +1261,7 @@ xfs_fc_parse_param( return 0; #ifdef CONFIG_FS_DAX case Opt_dax: - mp->m_flags |= XFS_MOUNT_DAX; + mp->m_flags |= XFS_MOUNT_DAX_ALWAYS; return 0; #endif default: @@ -1454,7 +1454,7 @@ xfs_fc_fill_super( if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5) sb->s_flags |= SB_I_VERSION; - if (mp->m_flags & XFS_MOUNT_DAX) { + if (mp->m_flags & XFS_MOUNT_DAX_ALWAYS) { bool rtdev_is_dax = false, datadev_is_dax; xfs_warn(mp, @@ -1468,7 +1468,7 @@ xfs_fc_fill_super( if (!rtdev_is_dax && !datadev_is_dax) { xfs_alert(mp, "DAX unsupported by block device. Turning off DAX."); - mp->m_flags &= ~XFS_MOUNT_DAX; + mp->m_flags &= ~XFS_MOUNT_DAX_ALWAYS; } if (xfs_sb_version_hasreflink(&mp->m_sb)) { xfs_alert(mp,