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.