The Linux Kernel API
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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.

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