MAJOR=4
MINOR=2
DEVNAME=tty2
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λ = -
Index of /anon_sym/anon/sys/module/drm/holders/drm_client_lib
Index of /anon_sym/anon/sys/module/drm/holders/drm_client_lib
" /lm_J*j"T^S
h /13:69
1
\o u 1/* SPDX-License-Identifier: GPL-2.0 */
#ifndef IOPRIO_H
#define IOPRIO_H
#include
#include
#include
#include
/*
* Default IO priority.
*/
#define IOPRIO_DEFAULT IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0)
/*
* Check that a priority value has a valid class.
*/
static inline bool ioprio_valid(unsigned short ioprio)
{
unsigned short class = IOPRIO_PRIO_CLASS(ioprio);
return class > IOPRIO_CLASS_NONE && class <= IOPRIO_CLASS_IDLE;
}
/*
* if process has set io priority explicitly, use that. if not, convert
* the cpu scheduler nice value to an io priority
*/
static inline int task_nice_ioprio(struct task_struct *task)
{
return (task_nice(task) + 20) / 5;
}
/*
* This is for the case where the task hasn't asked for a specific IO class.
* Check for idle and rt task process, and return appropriate IO class.
*/
static inline int task_nice_ioclass(struct task_struct *task)
{
if (task->policy == SCHED_IDLE)
return IOPRIO_CLASS_IDLE;
else if (task_is_realtime(task))
return I