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.