misc: block: drop extern crate, use modern rust

This commit is part of a series of similar commits.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com

block/src/lib.rs

@@ -8,9 +8,6 @@
 //
 // SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
-#[macro_use]
-extern crate log;
-
 pub mod async_io;
 pub mod fcntl;
 pub mod fixed_vhd;
@@ -45,6 +42,7 @@ use std::{cmp, result};
 #[cfg(feature = "io_uring")]
 use io_uring::{IoUring, Probe, opcode};
 use libc::{S_IFBLK, S_IFMT, ioctl};
+use log::{error, info, warn};
 use serde::{Deserialize, Serialize};
 use smallvec::SmallVec;
 use thiserror::Error;

block/src/qcow/mod.rs

@@ -19,6 +19,7 @@ use std::str;
 
 use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
 use libc::{EINVAL, EIO, ENOSPC};
+use log::error;
 use remain::sorted;
 use thiserror::Error;
 use vmm_sys_util::file_traits::{FileSetLen, FileSync};

block/src/raw_async.rs

@@ -7,6 +7,7 @@ use std::io::{Error, Seek, SeekFrom};
 use std::os::unix::io::{AsRawFd, RawFd};
 
 use io_uring::{IoUring, opcode, types};
+use log::warn;
 use vmm_sys_util::eventfd::EventFd;
 
 use crate::async_io::{

block/src/raw_async_aio.rs

@@ -9,6 +9,7 @@ use std::fs::File;
 use std::io::{Seek, SeekFrom};
 use std::os::unix::io::{AsRawFd, RawFd};
 
+use log::warn;
 use vmm_sys_util::aio;
 use vmm_sys_util::eventfd::EventFd;
 

block/src/raw_sync.rs

@@ -7,6 +7,7 @@ use std::fs::File;
 use std::io::{Seek, SeekFrom};
 use std::os::unix::io::{AsRawFd, RawFd};
 
+use log::warn;
 use vmm_sys_util::eventfd::EventFd;
 
 use crate::DiskTopology;

block/src/vhdx/vhdx_header.rs

@@ -2,8 +2,6 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
-extern crate log;
-
 use std::collections::btree_map::BTreeMap;
 use std::fs::File;
 use std::io::{self, Read, Seek, SeekFrom, Write};