blk_queue_ordered9
Does this queue support ordered writes
Usage
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
Overview
For journalled file systems, doing ordered writes on a commit block instead of explicitly doing wait_on_buffer (which is bad for performance) can be a big win. Block drivers supporting this feature should call this function and indicate so.
Releases
3 releases since Debian 4.0 (Etch); the text changed 2 times.