| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _LINUX_RW_HINT_H |
| #define _LINUX_RW_HINT_H |
| |
| #include <linux/build_bug.h> |
| #include <linux/compiler_attributes.h> |
| #include <uapi/linux/fcntl.h> |
| |
| /* Block storage write lifetime hint values. */ |
| enum rw_hint { |
| WRITE_LIFE_NOT_SET = RWH_WRITE_LIFE_NOT_SET, |
| WRITE_LIFE_NONE = RWH_WRITE_LIFE_NONE, |
| WRITE_LIFE_SHORT = RWH_WRITE_LIFE_SHORT, |
| WRITE_LIFE_MEDIUM = RWH_WRITE_LIFE_MEDIUM, |
| WRITE_LIFE_LONG = RWH_WRITE_LIFE_LONG, |
| WRITE_LIFE_EXTREME = RWH_WRITE_LIFE_EXTREME, |
| } __packed; |
| |
| /* Sparse ignores __packed annotations on enums, hence the #ifndef below. */ |
| #ifndef __CHECKER__ |
| static_assert(sizeof(enum rw_hint) == 1); |
| #endif |
| |
| #endif /* _LINUX_RW_HINT_H */ |
