diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2018-05-02 04:54:38 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-05-02 04:54:37 -0700 |
| commit | c38b8343986363b2ea42f82d68bfb79eab6bc7db (patch) | |
| tree | f07f98999bf6cc1a87ee3d9dd6d645dfcc17cada /include/uapi/linux | |
| parent | 1c294945bcd0850d97d3e5a835f4d2a0f8db94cd (diff) | |
| parent | 0382cccfeeb0206e66e75abbc9aa7fbcc13a9f6c (diff) | |
Merge "Merge android-4.4.128 (89904cc) into msm-4.4"
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/fcntl.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h index beed138bd359..f85ed3a5ef4d 100644 --- a/include/uapi/linux/fcntl.h +++ b/include/uapi/linux/fcntl.h @@ -43,6 +43,27 @@ /* (1U << 31) is reserved for signed error codes */ /* + * Set/Get write life time hints. {GET,SET}_RW_HINT operate on the + * underlying inode, while {GET,SET}_FILE_RW_HINT operate only on + * the specific file. + */ +#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11) +#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12) +#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13) +#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14) + +/* + * Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be + * used to clear any hints previously set. + */ +#define RWF_WRITE_LIFE_NOT_SET 0 +#define RWH_WRITE_LIFE_NONE 1 +#define RWH_WRITE_LIFE_SHORT 2 +#define RWH_WRITE_LIFE_MEDIUM 3 +#define RWH_WRITE_LIFE_LONG 4 +#define RWH_WRITE_LIFE_EXTREME 5 + +/* * Types of directory notifications that may be requested. */ #define DN_ACCESS 0x00000001 /* File accessed */ |