blk_queue_bypass_start (9) Linux Manual Page
blk_queue_bypass_start – enter queue bypass mode
Synopsis
void blk_queue_bypass_start(struct request_queue *q);Arguments
q
-
- queue of interest
Description
In bypass mode, only the dispatch FIFO queue of q is used. This function makes q enter bypass mode and drains all requests which were throttled or issued before. On return, it’s guaranteed that no request is being throttled or has ELVPRIV set and blk_queue_bypasstrue inside queue or RCU read lock.