block: rbd: convert to use BUS_ATTR_WO and RO

We are trying to get rid of BUS_ATTR() and the usage of that in rbd.c
can be trivially converted to use BUS_ATTR_WO and RO, so use those
macros instead.

Cc: Sage Weil <[email protected]>
Cc: Alex Elder <[email protected]>
Cc: Jens Axboe <[email protected]>
Acked-by: Ilya Dryomov <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
1 file changed