diff options
| -rw-r--r-- | include/linux/ioprio.h | 41 | ||||
| -rw-r--r-- | include/uapi/linux/ioprio.h | 46 |
2 files changed, 47 insertions, 40 deletions
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index e9bfe6972aed..ef9ad4fb245f 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -6,46 +6,7 @@ #include <linux/sched/rt.h> #include <linux/iocontext.h> -/* - * Gives us 8 prio classes with 13-bits of data for each class - */ -#define IOPRIO_CLASS_SHIFT (13) -#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1) - -#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT) -#define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK) -#define IOPRIO_PRIO_VALUE(class, data) (((class) << IOPRIO_CLASS_SHIFT) | data) - -#define ioprio_valid(mask) (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE) - -/* - * These are the io priority groups as implemented by CFQ. RT is the realtime - * class, it always gets premium service. BE is the best-effort scheduling - * class, the default for any process. IDLE is the idle scheduling class, it - * is only served when no one else is using the disk. - */ -enum { - IOPRIO_CLASS_NONE, - IOPRIO_CLASS_RT, - IOPRIO_CLASS_BE, - IOPRIO_CLASS_IDLE, -}; - -/* - * 8 best effort priority levels are supported - */ -#define IOPRIO_BE_NR (8) - -enum { - IOPRIO_WHO_PROCESS = 1, - IOPRIO_WHO_PGRP, - IOPRIO_WHO_USER, -}; - -/* - * Fallback BE priority - */ -#define IOPRIO_NORM (4) +#include <uapi/linux/ioprio.h> /* * if process has set io priority explicitly, use that. if not, convert diff --git a/include/uapi/linux/ioprio.h b/include/uapi/linux/ioprio.h new file mode 100644 index 000000000000..77b17e08b0da --- /dev/null +++ b/include/uapi/linux/ioprio.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_LINUX_IOPRIO_H +#define _UAPI_LINUX_IOPRIO_H + +/* + * Gives us 8 prio classes with 13-bits of data for each class + */ +#define IOPRIO_CLASS_SHIFT (13) +#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1) + +#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT) +#define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK) +#define IOPRIO_PRIO_VALUE(class, data) (((class) << IOPRIO_CLASS_SHIFT) | data) + +/* + * These are the io priority groups as implemented by CFQ. RT is the realtime + * class, it always gets premium service. BE is the best-effort scheduling + * class, the default for any process. IDLE is the idle scheduling class, it + * is only served when no one else is using the disk. + */ +enum { + IOPRIO_CLASS_NONE, + IOPRIO_CLASS_RT, + IOPRIO_CLASS_BE, + IOPRIO_CLASS_IDLE, +}; + +#define ioprio_valid(mask) (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE) + +/* + * 8 best effort priority levels are supported + */ +#define IOPRIO_BE_NR (8) + +enum { + IOPRIO_WHO_PROCESS = 1, + IOPRIO_WHO_PGRP, + IOPRIO_WHO_USER, +}; + +/* + * Fallback BE priority + */ +#define IOPRIO_NORM (4) + +#endif /* _UAPI_LINUX_IOPRIO_H */ |