xfs: simplify a check in xfs_ioctl_setattr_check_cowextsize

commit e8f49ad06cd59e40a470fbd2a00f1918a34ed126 upstream.

Only v5 file systems can have the reflink feature, and those will
always use the large dinode format.  Remove the extra check for the
inode version.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6d3abb84451ce3cb38cd9764f4bf06c98b02bf5d..597190134aba929382b03d28cafc5c5b28b3c3da 100644 (file)
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1510,8 +1510,7 @@ xfs_ioctl_setattr_check_cowextsize(
        if (!(fa->fsx_xflags & FS_XFLAG_COWEXTSIZE))
                return 0;
 
-       if (!xfs_sb_version_hasreflink(&ip->i_mount->m_sb) ||
-           ip->i_d.di_version != 3)
+       if (!xfs_sb_version_hasreflink(&ip->i_mount->m_sb))
                return -EINVAL;
 
        if (fa->fsx_cowextsize == 0)