blk_congestion_wait
Name
blk_congestion_wait -- wait for a queue to become uncongested
Synopsis
long blk_congestion_wait (int rw, long timeout);
Arguments
rw READ or WRITE
timeout timeout in jiffies
Description
Waits for up to timeout jiffies for a queue (any queue) to exit congestion.
If no queues are congested then just wait for the next request to be
returned.