Name
blk_queue_flush —
configure queue's cache flush capability
Synopsis
void blk_queue_flush (
struct request_queue * q, unsigned int flush)
;
Arguments
q
the request queue for the device
flush
0, REQ_FLUSH or REQ_FLUSH | REQ_FUA
Description
Tell block layer cache flush capability of q
. If it supports
flushing, REQ_FLUSH should be set. If it supports bypassing
write cache for individual writes, REQ_FUA should be set.