[RFC PATCH] xfs: drop experimental warning for fsdax

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Since reflink&fsdax can work together now, the last obstacle has been
resolved.  It's time to remove restrictions and drop this warning.

Signed-off-by: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
---
 fs/xfs/xfs_ioctl.c | 4 ----
 fs/xfs/xfs_iops.c  | 4 ----
 fs/xfs/xfs_super.c | 1 -
 3 files changed, 9 deletions(-)

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 1f783e979629..13f1b2add390 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1138,10 +1138,6 @@ xfs_ioctl_setattr_xflags(
 	if ((fa->fsx_xflags & FS_XFLAG_REALTIME) && xfs_is_reflink_inode(ip))
 		ip->i_diflags2 &= ~XFS_DIFLAG2_REFLINK;
 
-	/* Don't allow us to set DAX mode for a reflinked file for now. */
-	if ((fa->fsx_xflags & FS_XFLAG_DAX) && xfs_is_reflink_inode(ip))
-		return -EINVAL;
-
 	/* diflags2 only valid for v3 inodes. */
 	i_flags2 = xfs_flags2diflags2(ip, fa->fsx_xflags);
 	if (i_flags2 && !xfs_has_v3inodes(mp))
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 45518b8c613c..c2e9d7c74170 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1171,10 +1171,6 @@ xfs_inode_supports_dax(
 	if (!S_ISREG(VFS_I(ip)->i_mode))
 		return false;
 
-	/* Only supported on non-reflinked files. */
-	if (xfs_is_reflink_inode(ip))
-		return false;
-
 	/* Block size must match page size */
 	if (mp->m_sb.sb_blocksize != PAGE_SIZE)
 		return false;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 9ac59814bbb6..fe7e24c353b9 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -358,7 +358,6 @@ xfs_setup_dax_always(
 		return -EINVAL;
 	}
 
-	xfs_warn(mp, "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
 	return 0;
 
 disable_dax:
-- 
2.37.3





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