Now the fdc and drive are passed in argument so that the function does
not use current_fdc nor current_drive anymore.

Link: https://lore.kernel.org/r/20200331094054.24441-10-w@1wt.euSigned-off-by: NWilly Tarreau <w@1wt.eu>
Signed-off-by: NDenis Efremov <efremov@linux.com>