[RFC PATCH] xfs: drop experimental warning for fsdax

Shiyang Ruan
2022-09-15T09:27:36Z

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@fujitsu.com>
---
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