suse man page for ata_pio_queue_task

ATA_PIO_QUEUE_TASK(9)						  libata Library					     ATA_PIO_QUEUE_TASK(9)

NAME
       ata_pio_queue_task - Queue port_task

SYNOPSIS
       void ata_pio_queue_task(struct ata_port * ap, void * data, unsigned long delay);

ARGUMENTS
       ap
	   The ata_port to queue port_task for

       data
	   data for fn to use

       delay
	   delay time in msecs for workqueue function

DESCRIPTION
       Schedule fn(data) for execution after delay jiffies using port_task. There is one port_task per port and it's the user(low level driver)'s
       responsibility to make sure that only one task is active at any given time.

       libata core layer takes care of synchronization between port_task and EH.  ata_pio_queue_task may be ignored for EH synchronization.

LOCKING
       Inherited from caller.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						     ATA_PIO_QUEUE_TASK(9)