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| BLK_QUEUE_BYPASS_STA(9) | Block Devices | BLK_QUEUE_BYPASS_STA(9) |
NAME¶
blk_queue_bypass_start - enter queue bypass mode
SYNOPSIS¶
void blk_queue_bypass_start(struct request_queue * q);
ARGUMENTS¶
struct request_queue * 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_bypass true inside queue or RCU read lock.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |