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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2025-02-04 21:06:35 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2025-02-12 05:29:30 +0300 |
| commit | 5f95c1812a65e4e8a6b89b6c0bafd654e8bc03de (patch) | |
| tree | f30003f7920c0cc75f9e4c0241076a407fa5e01a /include | |
| parent | 4f91f074702af3931a35c244470ae0c4b66f909c (diff) | |
| download | linux-5f95c1812a65e4e8a6b89b6c0bafd654e8bc03de.tar.xz | |
f2fs: add ioctl to get IO priority hint
This patch adds an ioctl to give a per-file priority hint to attach
REQ_PRIO.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/f2fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/linux/f2fs.h b/include/uapi/linux/f2fs.h index f7aaf8d23e20..795e26258355 100644 --- a/include/uapi/linux/f2fs.h +++ b/include/uapi/linux/f2fs.h @@ -44,6 +44,7 @@ #define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24) #define F2FS_IOC_START_ATOMIC_REPLACE _IO(F2FS_IOCTL_MAGIC, 25) #define F2FS_IOC_GET_DEV_ALIAS_FILE _IOR(F2FS_IOCTL_MAGIC, 26, __u32) +#define F2FS_IOC_IO_PRIO _IOW(F2FS_IOCTL_MAGIC, 27, __u32) /* * should be same as XFS_IOC_GOINGDOWN. @@ -63,6 +64,12 @@ #define F2FS_TRIM_FILE_ZEROOUT 0x2 /* zero out */ #define F2FS_TRIM_FILE_MASK 0x3 +/* for F2FS_IOC_IO_PRIO */ +enum { + F2FS_IOPRIO_WRITE = 1, /* high write priority */ + F2FS_IOPRIO_MAX, +}; + struct f2fs_gc_range { __u32 sync; __u64 start; |