In the 5.0 kernel, only the mount namespace code should use the MS_*
macos. Filesystems should use the SB_* ones.
https://patchwork.kernel.org/patch/10552493/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes#8264