Name
blk_queue_set_discard —
set a discard_sectors function for queue
Synopsis
void blk_queue_set_discard ( | struct request_queue * q, |
| prepare_discard_fn * dfn) ; |
Arguments
q
queue
dfn
prepare_discard function
Description
It's possible for a queue to register a discard callback which is used
to transform a discard request into the appropriate type for the
hardware. If none is registered, then discard requests are failed
with EOPNOTSUPP
.