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generic_unplug_device
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
generic_unplug_device - fire a request queueSYNOPSIS
- void generic_unplug_device(struct request_queue * q);
ARGUMENTS
q
- The struct request_queue in question
DESCRIPTION
Linux uses plugging to build bigger requests queues before letting the device have at them. If a queue is plugged, the I/O scheduler is still adding and merging requests on the queue. Once the queue gets unplugged, the request_fn defined for the queue is invoked and transfers started.
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