RTEMS
5.0.0
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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... | |
Block device read-ahead control.
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.