tune2fs: allow setting the stride and stripe width to zero

Tune2fs previously would give an error if the user tried setting the
stride and stripe-width parameters to zero; but this is necessary to
disable the stride and stripe-width settings.  So allow setting these
superblock fields to zero.

Addresses-Google-Bug: #4988557

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed