diff --git a/pbs-api-types/src/lib.rs b/pbs-api-types/src/lib.rs
index 50072bf4..cc5103f4 100644
--- a/pbs-api-types/src/lib.rs
+++ b/pbs-api-types/src/lib.rs
@@ -1,5 +1,8 @@
 //! Basic API types used by most of the PBS code.
 
+use serde::{Deserialize, Serialize};
+
+use proxmox::api::api;
 use proxmox::api::schema::{ApiStringFormat, Schema, StringSchema};
 use proxmox::const_regex;
 
@@ -37,6 +40,7 @@ pub use userid::{Username, UsernameRef};
 pub use userid::{PROXMOX_GROUP_ID_SCHEMA, PROXMOX_TOKEN_ID_SCHEMA, PROXMOX_TOKEN_NAME_SCHEMA};
 
 pub mod upid;
+pub use upid::UPID;
 
 const_regex! {
     pub BACKUP_TYPE_REGEX = concat!(r"^(", BACKUP_TYPE_RE!(), r")$");
@@ -84,3 +88,56 @@ pub const SINGLE_LINE_COMMENT_SCHEMA: Schema = StringSchema::new("Comment (singl
     .schema();
 
 pub const BACKUP_ID_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&BACKUP_ID_REGEX);
+
+#[api(
+    properties: {
+        "upid": {
+            optional: true,
+            type: UPID,
+        },
+    },
+)]
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+/// Garbage collection status.
+pub struct GarbageCollectionStatus {
+    pub upid: Option<String>,
+    /// Number of processed index files.
+    pub index_file_count: usize,
+    /// Sum of bytes referred by index files.
+    pub index_data_bytes: u64,
+    /// Bytes used on disk.
+    pub disk_bytes: u64,
+    /// Chunks used on disk.
+    pub disk_chunks: usize,
+    /// Sum of removed bytes.
+    pub removed_bytes: u64,
+    /// Number of removed chunks.
+    pub removed_chunks: usize,
+    /// Sum of pending bytes (pending removal - kept for safety).
+    pub pending_bytes: u64,
+    /// Number of pending chunks (pending removal - kept for safety).
+    pub pending_chunks: usize,
+    /// Number of chunks marked as .bad by verify that have been removed by GC.
+    pub removed_bad: usize,
+    /// Number of chunks still marked as .bad after garbage collection.
+    pub still_bad: usize,
+}
+
+impl Default for GarbageCollectionStatus {
+    fn default() -> Self {
+        GarbageCollectionStatus {
+            upid: None,
+            index_file_count: 0,
+            index_data_bytes: 0,
+            disk_bytes: 0,
+            disk_chunks: 0,
+            removed_bytes: 0,
+            removed_chunks: 0,
+            pending_bytes: 0,
+            pending_chunks: 0,
+            removed_bad: 0,
+            still_bad: 0,
+        }
+    }
+}
diff --git a/src/backup/chunk_store.rs b/pbs-datastore/src/chunk_store.rs
similarity index 94%
rename from src/backup/chunk_store.rs
rename to pbs-datastore/src/chunk_store.rs
index 1ae85d64..ddf0a769 100644
--- a/src/backup/chunk_store.rs
+++ b/pbs-datastore/src/chunk_store.rs
@@ -1,17 +1,17 @@
-use anyhow::{bail, format_err, Error};
-
-use std::path::{Path, PathBuf};
 use std::io::Write;
-use std::sync::{Arc, Mutex};
 use std::os::unix::io::AsRawFd;
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Mutex};
+
+use anyhow::{bail, format_err, Error};
 
 use proxmox::tools::fs::{CreateOptions, create_path, create_dir};
 
-use crate::task_log;
-use crate::tools;
-use crate::api2::types::GarbageCollectionStatus;
+use pbs_api_types::GarbageCollectionStatus;
+use pbs_tools::process_locker::{self, ProcessLocker};
 
-use super::DataBlob;
+use crate::DataBlob;
+use crate::task_log;
 use crate::task::TaskState;
 
 /// File system based chunk store
@@ -20,7 +20,7 @@ pub struct ChunkStore {
     pub (crate) base: PathBuf,
     chunk_dir: PathBuf,
     mutex: Mutex<()>,
-    locker: Arc<Mutex<tools::ProcessLocker>>,
+    locker: Arc<Mutex<ProcessLocker>>,
 }
 
 // TODO: what about sysctl setting vm.vfs_cache_pressure (0 - 100) ?
@@ -62,6 +62,10 @@ impl ChunkStore {
         chunk_dir
     }
 
+    pub fn base(&self) -> &Path {
+        &self.base
+    }
+
     pub fn create<P>(name: &str, path: P, uid: nix::unistd::Uid, gid: nix::unistd::Gid, worker: Option<&dyn TaskState>) -> Result<Self, Error>
     where
         P: Into<PathBuf>,
@@ -139,7 +143,7 @@ impl ChunkStore {
 
         let lockfile_path = Self::lockfile_path(&base);
 
-        let locker = tools::ProcessLocker::new(&lockfile_path)?;
+        let locker = ProcessLocker::new(&lockfile_path)?;
 
         Ok(ChunkStore {
             name: name.to_owned(),
@@ -274,15 +278,16 @@ impl ChunkStore {
     }
 
     pub fn oldest_writer(&self) -> Option<i64> {
-        tools::ProcessLocker::oldest_shared_lock(self.locker.clone())
+        ProcessLocker::oldest_shared_lock(self.locker.clone())
     }
 
-    pub fn sweep_unused_chunks(
+    pub fn sweep_unused_chunks<F: Fn() -> Result<(), Error>>(
         &self,
         oldest_writer: i64,
         phase1_start_time: i64,
         status: &mut GarbageCollectionStatus,
         worker: &dyn TaskState,
+        fail_on_shutdown: F,
     ) -> Result<(), Error> {
         use nix::sys::stat::fstatat;
         use nix::unistd::{unlinkat, UnlinkatFlags};
@@ -310,7 +315,7 @@ impl ChunkStore {
             }
 
             worker.check_abort()?;
-            tools::fail_on_shutdown()?;
+            fail_on_shutdown()?;
 
             let (dirfd, entry) = match entry {
                 Ok(entry) => (entry.parent_fd(), entry),
@@ -442,12 +447,12 @@ impl ChunkStore {
         self.base.clone()
     }
 
-    pub fn try_shared_lock(&self) -> Result<tools::ProcessLockSharedGuard, Error> {
-        tools::ProcessLocker::try_shared_lock(self.locker.clone())
+    pub fn try_shared_lock(&self) -> Result<process_locker::ProcessLockSharedGuard, Error> {
+        ProcessLocker::try_shared_lock(self.locker.clone())
     }
 
-    pub fn try_exclusive_lock(&self) -> Result<tools::ProcessLockExclusiveGuard, Error> {
-        tools::ProcessLocker::try_exclusive_lock(self.locker.clone())
+    pub fn try_exclusive_lock(&self) -> Result<process_locker::ProcessLockExclusiveGuard, Error> {
+        ProcessLocker::try_exclusive_lock(self.locker.clone())
     }
 }
 
@@ -466,7 +471,7 @@ fn test_chunk_store1() {
     let user = nix::unistd::User::from_uid(nix::unistd::Uid::current()).unwrap().unwrap();
     let chunk_store = ChunkStore::create("test", &path, user.uid, user.gid, None).unwrap();
 
-    let (chunk, digest) = super::DataChunkBuilder::new(&[0u8, 1u8]).build().unwrap();
+    let (chunk, digest) = crate::data_blob::DataChunkBuilder::new(&[0u8, 1u8]).build().unwrap();
 
     let (exists, _) = chunk_store.insert_chunk(&chunk, &digest).unwrap();
     assert!(!exists);
diff --git a/pbs-datastore/src/lib.rs b/pbs-datastore/src/lib.rs
index 25ec669c..cae66905 100644
--- a/pbs-datastore/src/lib.rs
+++ b/pbs-datastore/src/lib.rs
@@ -182,6 +182,7 @@ pub mod backup_info;
 pub mod catalog;
 pub mod checksum_reader;
 pub mod checksum_writer;
+pub mod chunk_store;
 pub mod chunker;
 pub mod crypt_config;
 pub mod crypt_reader;
@@ -198,6 +199,7 @@ pub mod task;
 pub use backup_info::{BackupDir, BackupGroup, BackupInfo};
 pub use checksum_reader::ChecksumReader;
 pub use checksum_writer::ChecksumWriter;
+pub use chunk_store::ChunkStore;
 pub use chunker::Chunker;
 pub use crypt_config::{CryptConfig, CryptMode, Fingerprint};
 pub use crypt_reader::CryptReader;
diff --git a/pbs-datastore/src/task.rs b/pbs-datastore/src/task.rs
index 91a6bb11..8cfd6fe8 100644
--- a/pbs-datastore/src/task.rs
+++ b/pbs-datastore/src/task.rs
@@ -19,3 +19,38 @@ impl<T: TaskState + ?Sized> TaskState for std::sync::Arc<T> {
         <T as TaskState>::log(&*self, level, message)
     }
 }
+
+#[macro_export]
+macro_rules! task_error {
+    ($task:expr, $($fmt:tt)+) => {{
+        $crate::task::TaskState::log(&*$task, log::Level::Error, &format_args!($($fmt)+))
+    }};
+}
+
+#[macro_export]
+macro_rules! task_warn {
+    ($task:expr, $($fmt:tt)+) => {{
+        $crate::task::TaskState::log(&*$task, log::Level::Warn, &format_args!($($fmt)+))
+    }};
+}
+
+#[macro_export]
+macro_rules! task_log {
+    ($task:expr, $($fmt:tt)+) => {{
+        $crate::task::TaskState::log(&*$task, log::Level::Info, &format_args!($($fmt)+))
+    }};
+}
+
+#[macro_export]
+macro_rules! task_debug {
+    ($task:expr, $($fmt:tt)+) => {{
+        $crate::task::TaskState::log(&*$task, log::Level::Debug, &format_args!($($fmt)+))
+    }};
+}
+
+#[macro_export]
+macro_rules! task_trace {
+    ($task:expr, $($fmt:tt)+) => {{
+        $crate::task::TaskState::log(&*$task, log::Level::Trace, &format_args!($($fmt)+))
+    }};
+}
diff --git a/src/api2/config/datastore.rs b/src/api2/config/datastore.rs
index 316d9f97..d083d0c4 100644
--- a/src/api2/config/datastore.rs
+++ b/src/api2/config/datastore.rs
@@ -8,6 +8,8 @@ use proxmox::api::{api, Router, RpcEnvironment, Permission};
 use proxmox::api::section_config::SectionConfigData;
 use proxmox::api::schema::parse_property_string;
 
+use pbs_datastore::task::TaskState;
+
 use crate::api2::types::*;
 use crate::backup::*;
 use crate::config::cached_user_info::CachedUserInfo;
@@ -54,7 +56,7 @@ pub(crate) fn do_create_datastore(
     _lock: std::fs::File,
     mut config: SectionConfigData,
     datastore: DataStoreConfig,
-    worker: Option<&dyn crate::task::TaskState>,
+    worker: Option<&dyn TaskState>,
 ) -> Result<(), Error> {
     let path: PathBuf = datastore.path.clone().into();
 
diff --git a/src/api2/tape/backup.rs b/src/api2/tape/backup.rs
index c3b541c7..8119482f 100644
--- a/src/api2/tape/backup.rs
+++ b/src/api2/tape/backup.rs
@@ -15,9 +15,10 @@ use proxmox::{
     },
 };
 
+use pbs_datastore::{task_log, task_warn};
+use pbs_datastore::task::TaskState;
+
 use crate::{
-    task_log,
-    task_warn,
     config::{
         self,
         cached_user_info::CachedUserInfo,
@@ -55,7 +56,6 @@ use crate::{
         Userid,
     },
     server::WorkerTask,
-    task::TaskState,
     tape::{
         TAPE_STATUS_DIR,
         Inventory,
diff --git a/src/api2/tape/drive.rs b/src/api2/tape/drive.rs
index 0e4a539f..5b698e34 100644
--- a/src/api2/tape/drive.rs
+++ b/src/api2/tape/drive.rs
@@ -22,8 +22,9 @@ use proxmox::{
     },
 };
 
+use pbs_datastore::task_log;
+
 use crate::{
-    task_log,
     config::{
         self,
         cached_user_info::CachedUserInfo,
diff --git a/src/api2/tape/restore.rs b/src/api2/tape/restore.rs
index 14e20ee4..68033c4a 100644
--- a/src/api2/tape/restore.rs
+++ b/src/api2/tape/restore.rs
@@ -28,10 +28,10 @@ use proxmox::{
     },
 };
 
+use pbs_datastore::{task_log, task_warn};
+use pbs_datastore::task::TaskState;
+
 use crate::{
-    task_log,
-    task_warn,
-    task::TaskState,
     tools::ParallelHandler,
     api2::types::{
         DATASTORE_MAP_ARRAY_SCHEMA,
diff --git a/src/api2/types/mod.rs b/src/api2/types/mod.rs
index 652d7bf4..6698f4b7 100644
--- a/src/api2/types/mod.rs
+++ b/src/api2/types/mod.rs
@@ -683,59 +683,6 @@ pub struct BackupContent {
     pub size: Option<u64>,
 }
 
-#[api(
-    properties: {
-        "upid": {
-            optional: true,
-            schema: UPID_SCHEMA,
-        },
-    },
-)]
-#[derive(Clone, Serialize, Deserialize)]
-#[serde(rename_all="kebab-case")]
-/// Garbage collection status.
-pub struct GarbageCollectionStatus {
-    pub upid: Option<String>,
-    /// Number of processed index files.
-    pub index_file_count: usize,
-    /// Sum of bytes referred by index files.
-    pub index_data_bytes: u64,
-    /// Bytes used on disk.
-    pub disk_bytes: u64,
-    /// Chunks used on disk.
-    pub disk_chunks: usize,
-    /// Sum of removed bytes.
-    pub removed_bytes: u64,
-    /// Number of removed chunks.
-    pub removed_chunks: usize,
-    /// Sum of pending bytes (pending removal - kept for safety).
-    pub pending_bytes: u64,
-    /// Number of pending chunks (pending removal - kept for safety).
-    pub pending_chunks: usize,
-    /// Number of chunks marked as .bad by verify that have been removed by GC.
-    pub removed_bad: usize,
-    /// Number of chunks still marked as .bad after garbage collection.
-    pub still_bad: usize,
-}
-
-impl Default for GarbageCollectionStatus {
-    fn default() -> Self {
-        GarbageCollectionStatus {
-            upid: None,
-            index_file_count: 0,
-            index_data_bytes: 0,
-            disk_bytes: 0,
-            disk_chunks: 0,
-            removed_bytes: 0,
-            removed_chunks: 0,
-            pending_bytes: 0,
-            pending_chunks: 0,
-            removed_bad: 0,
-            still_bad: 0,
-        }
-    }
-}
-
 #[api()]
 #[derive(Default, Serialize, Deserialize)]
 /// Storage space usage information.
diff --git a/src/backup/datastore.rs b/src/backup/datastore.rs
index 55458de3..412e9f88 100644
--- a/src/backup/datastore.rs
+++ b/src/backup/datastore.rs
@@ -12,6 +12,8 @@ use lazy_static::lazy_static;
 
 use proxmox::tools::fs::{replace_file, file_read_optional_string, CreateOptions, open_file_locked};
 
+use pbs_datastore::{task_log, task_warn};
+use pbs_datastore::task::TaskState;
 use pbs_tools::format::HumanByte;
 use pbs_tools::fs::{lock_dir_noblock, DirLockGuard};
 
@@ -23,7 +25,6 @@ use super::manifest::{MANIFEST_BLOB_NAME, MANIFEST_LOCK_NAME, CLIENT_LOG_BLOB_NA
 use super::index::*;
 use super::{DataBlob, ArchiveType, archive_type};
 use crate::config::datastore::{self, DataStoreConfig};
-use crate::task::TaskState;
 use crate::tools;
 use crate::api2::types::{Authid, GarbageCollectionStatus};
 use crate::server::UPID;
@@ -55,7 +56,7 @@ impl DataStore {
 
         if let Some(datastore) = map.get(name) {
             // Compare Config - if changed, create new Datastore object!
-            if datastore.chunk_store.base == path &&
+            if datastore.chunk_store.base() == path &&
                 datastore.verify_new == config.verify_new.unwrap_or(false)
             {
                 return Ok(datastore.clone());
@@ -487,7 +488,7 @@ impl DataStore {
             tools::fail_on_shutdown()?;
             let digest = index.index_digest(pos).unwrap();
             if !self.chunk_store.cond_touch_chunk(digest, false)? {
-                crate::task_warn!(
+                task_warn!(
                     worker,
                     "warning: unable to access non-existent chunk {}, required by {:?}",
                     proxmox::tools::digest_to_hex(digest),
@@ -558,7 +559,7 @@ impl DataStore {
 
             let percentage = (i + 1) * 100 / image_count;
             if percentage > last_percentage {
-                crate::task_log!(
+                task_log!(
                     worker,
                     "marked {}% ({} of {} index files)",
                     percentage,
@@ -570,7 +571,7 @@ impl DataStore {
         }
 
         if strange_paths_count > 0 {
-            crate::task_log!(
+            task_log!(
                 worker,
                 "found (and marked) {} index files outside of expected directory scheme",
                 strange_paths_count,
@@ -604,26 +605,27 @@ impl DataStore {
             let mut gc_status = GarbageCollectionStatus::default();
             gc_status.upid = Some(upid.to_string());
 
-            crate::task_log!(worker, "Start GC phase1 (mark used chunks)");
+            task_log!(worker, "Start GC phase1 (mark used chunks)");
 
             self.mark_used_chunks(&mut gc_status, worker)?;
 
-            crate::task_log!(worker, "Start GC phase2 (sweep unused chunks)");
+            task_log!(worker, "Start GC phase2 (sweep unused chunks)");
             self.chunk_store.sweep_unused_chunks(
                 oldest_writer,
                 phase1_start_time,
                 &mut gc_status,
                 worker,
+                crate::tools::fail_on_shutdown,
             )?;
 
-            crate::task_log!(
+            task_log!(
                 worker,
                 "Removed garbage: {}",
                 HumanByte::from(gc_status.removed_bytes),
             );
-            crate::task_log!(worker, "Removed chunks: {}", gc_status.removed_chunks);
+            task_log!(worker, "Removed chunks: {}", gc_status.removed_chunks);
             if gc_status.pending_bytes > 0 {
-                crate::task_log!(
+                task_log!(
                     worker,
                     "Pending removals: {} (in {} chunks)",
                     HumanByte::from(gc_status.pending_bytes),
@@ -631,14 +633,14 @@ impl DataStore {
                 );
             }
             if gc_status.removed_bad > 0 {
-                crate::task_log!(worker, "Removed bad chunks: {}", gc_status.removed_bad);
+                task_log!(worker, "Removed bad chunks: {}", gc_status.removed_bad);
             }
 
             if gc_status.still_bad > 0 {
-                crate::task_log!(worker, "Leftover bad chunks: {}", gc_status.still_bad);
+                task_log!(worker, "Leftover bad chunks: {}", gc_status.still_bad);
             }
 
-            crate::task_log!(
+            task_log!(
                 worker,
                 "Original data usage: {}",
                 HumanByte::from(gc_status.index_data_bytes),
@@ -646,7 +648,7 @@ impl DataStore {
 
             if gc_status.index_data_bytes > 0 {
                 let comp_per = (gc_status.disk_bytes as f64 * 100.)/gc_status.index_data_bytes as f64;
-                crate::task_log!(
+                task_log!(
                     worker,
                     "On-Disk usage: {} ({:.2}%)",
                     HumanByte::from(gc_status.disk_bytes),
@@ -654,7 +656,7 @@ impl DataStore {
                 );
             }
 
-            crate::task_log!(worker, "On-Disk chunks: {}", gc_status.disk_chunks);
+            task_log!(worker, "On-Disk chunks: {}", gc_status.disk_chunks);
 
             let deduplication_factor = if gc_status.disk_bytes > 0 {
                 (gc_status.index_data_bytes as f64)/(gc_status.disk_bytes as f64)
@@ -662,11 +664,11 @@ impl DataStore {
                 1.0
             };
 
-            crate::task_log!(worker, "Deduplication factor: {:.2}", deduplication_factor);
+            task_log!(worker, "Deduplication factor: {:.2}", deduplication_factor);
 
             if gc_status.disk_chunks > 0 {
                 let avg_chunk = gc_status.disk_bytes/(gc_status.disk_chunks as u64);
-                crate::task_log!(worker, "Average chunk size: {}", HumanByte::from(avg_chunk));
+                task_log!(worker, "Average chunk size: {}", HumanByte::from(avg_chunk));
             }
 
             if let Ok(serialized) = serde_json::to_string(&gc_status) {
diff --git a/src/backup/mod.rs b/src/backup/mod.rs
index c0acc246..34d1c5ac 100644
--- a/src/backup/mod.rs
+++ b/src/backup/mod.rs
@@ -186,6 +186,8 @@ pub use pbs_datastore::checksum_reader;
 pub use pbs_datastore::checksum_reader::*;
 pub use pbs_datastore::checksum_writer;
 pub use pbs_datastore::checksum_writer::*;
+pub use pbs_datastore::chunk_store;
+pub use pbs_datastore::chunk_store::*;
 pub use pbs_datastore::chunker;
 pub use pbs_datastore::chunker::*;
 pub use pbs_datastore::crypt_config;
@@ -218,9 +220,6 @@ pub use chunk_stat::*;
 mod read_chunk;
 pub use read_chunk::*;
 
-mod chunk_store;
-pub use chunk_store::*;
-
 mod fixed_index;
 pub use fixed_index::*;
 
diff --git a/src/backup/verify.rs b/src/backup/verify.rs
index 59aa25d0..57b1acf6 100644
--- a/src/backup/verify.rs
+++ b/src/backup/verify.rs
@@ -6,6 +6,8 @@ use std::time::Instant;
 
 use anyhow::{bail, format_err, Error};
 
+use pbs_datastore::task_log;
+use pbs_datastore::task::TaskState;
 use pbs_tools::fs::lock_dir_noblock_shared;
 
 use crate::{
@@ -25,8 +27,6 @@ use crate::{
         archive_type,
     },
     server::UPID,
-    task::TaskState,
-    task_log,
     tools::ParallelHandler,
 };
 
diff --git a/src/client/pull.rs b/src/client/pull.rs
index 19f91961..8db43f90 100644
--- a/src/client/pull.rs
+++ b/src/client/pull.rs
@@ -1,7 +1,5 @@
 //! Sync datastore from remote server
 
-use anyhow::{bail, format_err, Error};
-use serde_json::json;
 use std::collections::{HashMap, HashSet};
 use std::convert::TryFrom;
 use std::io::{Seek, SeekFrom};
@@ -9,15 +7,20 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::{Arc, Mutex};
 use std::time::SystemTime;
 
+use anyhow::{bail, format_err, Error};
+use serde_json::json;
+
+use proxmox::api::error::{HttpError, StatusCode};
+
+use pbs_datastore::task_log;
+
 use crate::{
     api2::types::*,
     backup::*,
     client::*,
     server::WorkerTask,
-    task_log,
     tools::{compute_file_csum, ParallelHandler},
 };
-use proxmox::api::error::{HttpError, StatusCode};
 
 // fixme: implement filters
 // fixme: delete vanished groups
diff --git a/src/lib.rs b/src/lib.rs
index 0af303a4..4815c414 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,8 +3,6 @@
 //! The [backup](backup/index.html) module contains some detailed information
 //! on the inner workings of the backup server regarding data storage.
 
-pub mod task;
-
 #[macro_use]
 pub mod tools;
 
diff --git a/src/server/prune_job.rs b/src/server/prune_job.rs
index ac56d167..248068ea 100644
--- a/src/server/prune_job.rs
+++ b/src/server/prune_job.rs
@@ -2,13 +2,13 @@ use anyhow::Error;
 
 use proxmox::try_block;
 
+use pbs_datastore::{task_log, task_warn};
+
 use crate::{
     api2::types::*,
     backup::{compute_prune_info, BackupInfo, DataStore, PruneOptions},
     server::jobstate::Job,
     server::WorkerTask,
-    task_log,
-    task_warn,
 };
 
 pub fn do_prune_job(
diff --git a/src/server/verify_job.rs b/src/server/verify_job.rs
index 878fade5..ee9a4532 100644
--- a/src/server/verify_job.rs
+++ b/src/server/verify_job.rs
@@ -1,5 +1,7 @@
 use anyhow::{format_err, Error};
 
+use pbs_datastore::task_log;
+
 use crate::{
     server::WorkerTask,
     api2::types::*,
@@ -10,7 +12,6 @@ use crate::{
         verify_filter,
         verify_all_backups,
     },
-    task_log,
 };
 
 /// Runs a verification job.
diff --git a/src/server/worker_task.rs b/src/server/worker_task.rs
index f60556ef..13578446 100644
--- a/src/server/worker_task.rs
+++ b/src/server/worker_task.rs
@@ -789,7 +789,7 @@ impl WorkerTask {
     }
 }
 
-impl crate::task::TaskState for WorkerTask {
+impl pbs_datastore::task::TaskState for WorkerTask {
     fn check_abort(&self) -> Result<(), Error> {
         self.fail_on_abort()
     }
diff --git a/src/tape/drive/mod.rs b/src/tape/drive/mod.rs
index 7c218a46..8010d576 100644
--- a/src/tape/drive/mod.rs
+++ b/src/tape/drive/mod.rs
@@ -26,9 +26,10 @@ use proxmox::{
     api::section_config::SectionConfigData,
 };
 
+use pbs_datastore::task_log;
+use pbs_datastore::task::TaskState;
+
 use crate::{
-    task_log,
-    task::TaskState,
     backup::{
         Fingerprint,
         KeyConfig,
diff --git a/src/tape/pool_writer/mod.rs b/src/tape/pool_writer/mod.rs
index a788cbeb..6f887c60 100644
--- a/src/tape/pool_writer/mod.rs
+++ b/src/tape/pool_writer/mod.rs
@@ -13,8 +13,9 @@ use anyhow::{bail, Error};
 
 use proxmox::tools::Uuid;
 
+use pbs_datastore::task_log;
+
 use crate::{
-    task_log,
     backup::{
         DataStore,
     },
diff --git a/src/task.rs b/src/task.rs
deleted file mode 100644
index 69498e20..00000000
--- a/src/task.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-pub use pbs_datastore::task::TaskState;
-
-#[macro_export]
-macro_rules! task_error {
-    ($task:expr, $($fmt:tt)+) => {{
-        $crate::task::TaskState::log(&*$task, log::Level::Error, &format_args!($($fmt)+))
-    }};
-}
-
-#[macro_export]
-macro_rules! task_warn {
-    ($task:expr, $($fmt:tt)+) => {{
-        $crate::task::TaskState::log(&*$task, log::Level::Warn, &format_args!($($fmt)+))
-    }};
-}
-
-#[macro_export]
-macro_rules! task_log {
-    ($task:expr, $($fmt:tt)+) => {{
-        $crate::task::TaskState::log(&*$task, log::Level::Info, &format_args!($($fmt)+))
-    }};
-}
-
-#[macro_export]
-macro_rules! task_debug {
-    ($task:expr, $($fmt:tt)+) => {{
-        $crate::task::TaskState::log(&*$task, log::Level::Debug, &format_args!($($fmt)+))
-    }};
-}
-
-#[macro_export]
-macro_rules! task_trace {
-    ($task:expr, $($fmt:tt)+) => {{
-        $crate::task::TaskState::log(&*$task, log::Level::Trace, &format_args!($($fmt)+))
-    }};
-}