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From: ira.weiny@intel.com
To: linux-kernel@vger.kernel.org,
	"Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>,
	Dan Williams <dan.j.williams@intel.com>,
	Dave Chinner <david@fromorbit.com>,
	Christoph Hellwig <hch@lst.de>,
	"Theodore Y. Ts'o" <tytso@mit.edu>,
	Jeff Moyer <jmoyer@redhat.com>,
	linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: [PATCH V8 04/11] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS
Date: Tue, 14 Apr 2020 23:45:16 -0700	[thread overview]
Message-ID: <20200415064523.2244712-5-ira.weiny@intel.com> (raw)
In-Reply-To: <20200415064523.2244712-1-ira.weiny@intel.com>

From: Ira Weiny <ira.weiny@intel.com>

In prep for the new tri-state mount option which then introduces
XFS_MOUNT_DAX_NEVER.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 fs/xfs/xfs_iops.c  | 2 +-
 fs/xfs/xfs_mount.h | 2 +-
 fs/xfs/xfs_super.c | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 81f2f93caec0..a6e634631da8 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 88ab09ed29e7..54bd74088936 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -233,7 +233,7 @@ typedef struct xfs_mount {
 						   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 << 62)	/* TEST ONLY! */
 
 /*
  * 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 2094386af8ac..3863f41757d2 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);
@@ -1244,7 +1244,7 @@ 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:
@@ -1437,7 +1437,7 @@ 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,
@@ -1451,7 +1451,7 @@ 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,
-- 
2.25.1


  parent reply	other threads:[~2020-04-15  6:45 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-15  6:45 [PATCH V8 00/11] Enable per-file/per-directory DAX operations V8 ira.weiny
2020-04-15  6:45 ` [PATCH V8 01/11] fs/xfs: Remove unnecessary initialization of i_rwsem ira.weiny
2020-04-15 15:12   ` Darrick J. Wong
2020-04-15  6:45 ` [PATCH V8 02/11] fs: Remove unneeded IS_DAX() check in io_is_direct() ira.weiny
2020-04-15  6:45 ` [PATCH V8 03/11] fs/stat: Define DAX statx attribute ira.weiny
2020-04-15  6:45 ` ira.weiny [this message]
2020-04-15 15:11   ` [PATCH V8 04/11] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS Darrick J. Wong
2020-04-20  2:15   ` Dave Chinner
2020-04-20 17:50     ` Ira Weiny
2020-04-15  6:45 ` [PATCH V8 05/11] fs/xfs: Make DAX mount option a tri-state ira.weiny
2020-04-15 15:16   ` Darrick J. Wong
2020-04-16  4:15     ` Ira Weiny
2020-04-15  6:45 ` [PATCH V8 06/11] fs/xfs: Create function xfs_inode_enable_dax() ira.weiny
2020-04-15 15:17   ` Darrick J. Wong
2020-04-15  6:45 ` [PATCH V8 07/11] fs/xfs: Combine xfs_diflags_to_linux() and xfs_diflags_to_iflags() ira.weiny
2020-04-15  6:45 ` [PATCH V8 08/11] fs: Define I_DONTCACNE in VFS layer ira.weiny
2020-04-15  8:52   ` Jan Kara
2020-04-15 15:18     ` Darrick J. Wong
2020-04-16  4:28       ` Ira Weiny
2020-04-16  4:28     ` Ira Weiny
2020-04-15  6:45 ` [PATCH V8 09/11] fs: Introduce DCACHE_DONTCACHE ira.weiny
2020-04-15  9:01   ` Jan Kara
2020-04-16  4:55     ` Ira Weiny
2020-04-15  6:45 ` [PATCH V8 10/11] fs/xfs: Change xfs_ioctl_setattr_dax_invalidate() ira.weiny
2020-04-15 15:21   ` Darrick J. Wong
2020-04-16  5:00     ` Ira Weiny
2020-04-20  2:31   ` Dave Chinner
2020-04-20 18:36     ` Ira Weiny
2020-04-21  0:19       ` Dave Chinner
2020-04-15  6:45 ` [PATCH V8 11/11] Documentation/dax: Update Usage section ira.weiny
2020-04-15 15:29   ` Darrick J. Wong
2020-04-16  5:36     ` Ira Weiny

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