Block device read-ahead control. More...

#include <diskdevs.h>

Data Fields
rtems_chain_node	node
	Chain node for the read-ahead request queue of the read-ahead task.

rtems_blkdev_bnum	trigger
	Block value to trigger the read-ahead request. More...

rtems_blkdev_bnum	next
	Start block for the next read-ahead request. More...

Detailed Description

Block device read-ahead control.

Field Documentation

rtems_blkdev_bnum rtems_blkdev_read_ahead::next

Start block for the next read-ahead request.

In case the trigger value is out of range of valid blocks, this value my be arbitrary.

rtems_blkdev_bnum rtems_blkdev_read_ahead::trigger

Block value to trigger the read-ahead request.

A value of RTEMS_DISK_READ_AHEAD_NO_TRIGGER will disable further read-ahead requests since no valid block can have this value.

The documentation for this struct was generated from the following file: