Linux crash test: no longer sync the directory explicitly

This is now done automatically by atomic-write-file

Author: andreacorbellini

crash-tests/linux/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2021"
 
 [dependencies]
 atomic-write-file = { path = "../.." }
-nix = "0.28.0"
 
 [features]
 unnamed-tmpfile = ["atomic-write-file/unnamed-tmpfile"]

crash-tests/linux/src/main.rs

@@ -1,22 +1,8 @@
 use atomic_write_file::AtomicWriteFile;
-use nix::unistd::close;
-use nix::unistd::fsync;
 use std::io::Write;
-use std::os::fd::AsFd;
-use std::os::fd::AsRawFd;
 
 fn main() {
     let mut file = AtomicWriteFile::open("/test/file").expect("open failed");
-    let dir = file
-        .directory()
-        .expect("could not obtain directory fd")
-        .as_fd()
-        .try_clone_to_owned()
-        .expect("could not duplicate directory fd");
-
     file.write_all(b"hello").expect("write failed");
     file.commit().expect("commit failed");
-
-    fsync(dir.as_raw_fd()).expect("directory sync failed");
-    close(dir.as_raw_fd()).expect("closing directory failed");
 }