datastore: rustfmt whole package

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

pbs-datastore/src/crypt_writer.rs

@@ -1,5 +1,5 @@
-use std::sync::Arc;
 use std::io::Write;
+use std::sync::Arc;
 
 use anyhow::Error;
 
@@ -8,13 +8,12 @@ use pbs_tools::crypt_config::CryptConfig;
 pub struct CryptWriter<W> {
     writer: W,
     block_size: usize,
-    encr_buf: Box<[u8; 64*1024]>,
+    encr_buf: Box<[u8; 64 * 1024]>,
     iv: [u8; 16],
     crypter: openssl::symm::Crypter,
 }
 
-impl <W: Write> CryptWriter<W> {
-
+impl<W: Write> CryptWriter<W> {
     pub fn new(writer: W, config: Arc<CryptConfig>) -> Result<Self, Error> {
         let mut iv = [0u8; 16];
         proxmox_sys::linux::fill_with_random_data(&mut iv)?;
@@ -22,10 +21,16 @@ impl <W: Write> CryptWriter<W> {
 
         let crypter = config.data_crypter(&iv, openssl::symm::Mode::Encrypt)?;
 
-        Ok(Self { writer, iv, crypter, block_size, encr_buf: Box::new([0u8; 64*1024]) })
+        Ok(Self {
+            writer,
+            iv,
+            crypter,
+            block_size,
+            encr_buf: Box::new([0u8; 64 * 1024]),
+        })
     }
 
-    pub fn finish(mut self) ->  Result<(W, [u8; 16], [u8; 16]), Error> {
+    pub fn finish(mut self) -> Result<(W, [u8; 16], [u8; 16]), Error> {
         let rest = self.crypter.finalize(self.encr_buf.as_mut())?;
         if rest > 0 {
             self.writer.write_all(&self.encr_buf[..rest])?;
@@ -40,18 +45,20 @@ impl <W: Write> CryptWriter<W> {
     }
 }
 
-impl <W: Write> Write for CryptWriter<W> {
-
+impl<W: Write> Write for CryptWriter<W> {
     fn write(&mut self, buf: &[u8]) -> Result<usize, std::io::Error> {
         let mut write_size = buf.len();
         if write_size > (self.encr_buf.len() - self.block_size) {
             write_size = self.encr_buf.len() - self.block_size;
         }
-        let count = self.crypter.update(&buf[..write_size], self.encr_buf.as_mut())
+        let count = self
+            .crypter
+            .update(&buf[..write_size], self.encr_buf.as_mut())
             .map_err(|err| {
                 std::io::Error::new(
                     std::io::ErrorKind::Other,
-                    format!("crypter update failed - {}", err))
+                    format!("crypter update failed - {}", err),
+                )
             })?;
 
         self.writer.write_all(&self.encr_buf[..count])?;