BLK_QUEUE_ORDERED(9) Block Devices BLK_QUEUE_ORDERED(9)NAME
blk_queue_ordered - does this queue support ordered writes
SYNOPSIS
int blk_queue_ordered(struct request_queue * q, unsigned ordered,
prepare_flush_fn * prepare_flush_fn);
ARGUMENTS
q
the request queue
ordered
one of QUEUE_ORDERED_*
prepare_flush_fn
rq setup helper for cache flush ordered writes
DESCRIPTION
This is old method and has been retained for kABI compatibility. Any
new driver should be using and sticking to semantics of
blk_queue_flush.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 BLK_QUEUE_ORDERED(9)