dm integrity: fix the maximum number of arguments
Advance the maximum number of arguments from 9 to 15 to account for
all potential feature flags that may be supplied.
Linux 4.19 added "meta_device"
(
356d9d52e1221ba0c9f10b8b38652f78a5298329) and "recalculate"
(
a3fcf7253139609bf9ff901fbf955fba047e75dd) flags.
Commit
468dfca38b1a6fbdccd195d875599cb7c8875cd9 added
"sectors_per_bit" and "bitmap_flush_interval".
Commit
84597a44a9d86ac949900441cea7da0af0f2f473 added
"allow_discards".
And the commit
d537858ac8aaf4311b51240893add2fc62003b97 added
"fix_padding".
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>