file_clone_range 250 fs/ioctl.c struct file_clone_range args; file_clone_range 199 include/uapi/linux/fs.h #define FICLONERANGE _IOW(0x94, 13, struct file_clone_range) file_clone_range 199 tools/include/uapi/linux/fs.h #define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)