Method write_metadata

crates/fs-utils/src/lockfile.rs:164–170

Replace the lock file contents with `metadata` while holding the lock.

(&mut self, metadata: impl AsRef<[u8]>)

        /// Replace the lock file contents with `metadata` while holding the lock.
        pub fn write_metadata(&mut self, metadata: impl AsRef<[u8]>) -> io::Result<()> {
            self.lock.set_len(0)?;
            self.lock.seek(SeekFrom::Start(0))?;
            self.lock.write_all(metadata.as_ref())?;
            self.lock.sync_data()?;
            Ok(())
        }

        /// Release the lock and optionally remove the locked file.
        ///