On Fri, Aug 16, 2019 at 09:19:49AM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Don't let userspace write to an active swap file because the kernel > effectively has a long term lease on the storage and things could get > seriously corrupted if we let this happen. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>