From fd58c62b65626934c5ac9f9a15e0a8d4bcf9ef47 Mon Sep 17 00:00:00 2001
From: Ira Weiny <ira.weiny@intel.com>
Date: Thu, 30 Apr 2020 07:41:35 -0700
Subject: [PATCH] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS
Git-commit: fd58c62b65626934c5ac9f9a15e0a8d4bcf9ef47
Patch-mainline: v5.8-rc1
References: jsc#SLE-13451
In prep for the new tri-state mount option which then introduces
XFS_MOUNT_DAX_NEVER.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Jan Kara <jack@suse.cz>
---
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(-)
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1222,7 +1222,7 @@ 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;
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -243,8 +243,7 @@ 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)
/*
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -335,7 +335,7 @@ xfs_parseargs(
break;
#ifdef CONFIG_FS_DAX
case Opt_dax:
- mp->m_flags |= XFS_MOUNT_DAX;
+ mp->m_flags |= XFS_MOUNT_DAX_ALWAYS;
break;
#endif
default:
@@ -449,7 +449,7 @@ xfs_showargs(
{ XFS_MOUNT_GRPID, ",grpid" },
{ XFS_MOUNT_DISCARD, ",discard" },
{ XFS_MOUNT_SMALL_INUMS, ",inode32" },
- { XFS_MOUNT_DAX, ",dax" },
+ { XFS_MOUNT_DAX_ALWAYS, ",dax" },
{ 0, NULL }
};
static struct proc_xfs_info xfs_info_unset[] = {
@@ -1672,7 +1672,7 @@ xfs_fs_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,
@@ -1686,7 +1686,7 @@ xfs_fs_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,