Function nc::syncfs

pub fn syncfs(fd: i32) -> Result<(), Errno>

Commit filesystem cache related to fd to disk. let path = "/etc/passwd"; let ret = nc::open(path, nc::O_RDONLY, 0); assert!(ret.is_ok()); let fd = ret.unwrap(); let ret = nc::syncfs(fd); assert!(ret.is_ok()); assert!(nc::close(fd).is_ok());