On Fri, May 17, 2019 at 10:16:47AM +0800, sunqiuyang wrote:
> +++ b/fs/f2fs/f2fs.h
> @@ -423,6 +423,8 @@ static inline bool __has_cursum_space(struct f2fs_journal
> *journal,
> #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13,
> __u32)
> #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14,
> __u32)
> #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
> +#define F2FS_IOC_SHRINK_RESIZE _IOW(F2FS_IOCTL_MAGIC, 16,
> \
> + struct f2fs_resize_param)
Why not match ext4?
fs/ext4/ext4.h:#define EXT4_IOC_RESIZE_FS _IOW('f', 16, __u64)
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