blk_queue_bypass_start (9) - Linux Manuals

blk_queue_bypass_start: enter queue bypass mode

Command to display blk_queue_bypass_start manual in Linux: $ man 9 blk_queue_bypass_start

NAME

blk_queue_bypass_start - enter queue bypass mode

SYNOPSIS

void blk_queue_bypass_start(struct request_queue * q);

ARGUMENTS

: 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.