From 6e752f36dc995eb57fae681918aca7008546a40d Mon Sep 17 00:00:00 2001
From: Pavel Karpy <carpawell@nspcc.ru>
Date: Fri, 20 May 2022 21:08:59 +0300
Subject: [PATCH] [#1418] shard: Do not use pointers as parameters

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
---
 pkg/local_object_storage/engine/delete.go     | 12 ++-
 pkg/local_object_storage/engine/dump.go       |  2 +-
 pkg/local_object_storage/engine/error_test.go |  9 ++-
 pkg/local_object_storage/engine/exists.go     |  3 +-
 pkg/local_object_storage/engine/get.go        |  6 +-
 pkg/local_object_storage/engine/head.go       |  6 +-
 pkg/local_object_storage/engine/head_test.go  |  7 +-
 pkg/local_object_storage/engine/inhume.go     | 10 +--
 .../engine/inhume_test.go                     |  6 +-
 pkg/local_object_storage/engine/list.go       |  3 +-
 pkg/local_object_storage/engine/lock.go       |  7 +-
 pkg/local_object_storage/engine/put.go        |  6 +-
 pkg/local_object_storage/engine/range.go      |  8 +-
 pkg/local_object_storage/engine/restore.go    |  2 +-
 pkg/local_object_storage/engine/select.go     |  6 +-
 pkg/local_object_storage/shard/container.go   |  8 +-
 .../shard/control_test.go                     | 21 +++--
 pkg/local_object_storage/shard/delete.go      |  6 +-
 pkg/local_object_storage/shard/delete_test.go |  8 +-
 pkg/local_object_storage/shard/dump.go        | 11 +--
 pkg/local_object_storage/shard/dump_test.go   | 79 ++++++++++++++-----
 pkg/local_object_storage/shard/exists.go      |  2 +-
 pkg/local_object_storage/shard/gc.go          |  7 +-
 pkg/local_object_storage/shard/get.go         |  9 +--
 pkg/local_object_storage/shard/get_test.go    |  6 +-
 pkg/local_object_storage/shard/head.go        | 10 +--
 pkg/local_object_storage/shard/head_test.go   |  6 +-
 pkg/local_object_storage/shard/inhume.go      | 10 +--
 pkg/local_object_storage/shard/inhume_test.go |  6 +-
 pkg/local_object_storage/shard/list.go        | 16 ++--
 pkg/local_object_storage/shard/list_test.go   |  2 +-
 pkg/local_object_storage/shard/move.go        |  6 +-
 pkg/local_object_storage/shard/put.go         |  6 +-
 pkg/local_object_storage/shard/range.go       | 13 +--
 pkg/local_object_storage/shard/restore.go     | 16 ++--
 pkg/local_object_storage/shard/select.go      | 10 +--
 .../shard/shutdown_test.go                    | 11 ++-
 pkg/services/control/server/dump.go           |  2 +-
 pkg/services/control/server/restore.go        |  2 +-
 39 files changed, 205 insertions(+), 161 deletions(-)

diff --git a/pkg/local_object_storage/engine/delete.go b/pkg/local_object_storage/engine/delete.go
index 4cf10d15..094725a6 100644
--- a/pkg/local_object_storage/engine/delete.go
+++ b/pkg/local_object_storage/engine/delete.go
@@ -47,8 +47,8 @@ func (e *StorageEngine) delete(prm *DeletePrm) (*DeleteRes, error) {
 		defer elapsed(e.metrics.AddDeleteDuration)()
 	}
 
-	shPrm := new(shard.InhumePrm)
-	existsPrm := new(shard.ExistsPrm)
+	var shPrm shard.InhumePrm
+	var existsPrm shard.ExistsPrm
 	var locked struct {
 		is  bool
 		err apistatus.ObjectLocked
@@ -56,7 +56,9 @@ func (e *StorageEngine) delete(prm *DeletePrm) (*DeleteRes, error) {
 
 	for i := range prm.addr {
 		e.iterateOverSortedShards(prm.addr[i], func(_ int, sh hashedShard) (stop bool) {
-			resExists, err := sh.Exists(existsPrm.WithAddress(prm.addr[i]))
+			existsPrm.WithAddress(prm.addr[i])
+
+			resExists, err := sh.Exists(existsPrm)
 			if err != nil {
 				e.reportShardError(sh, "could not check object existence", err)
 				return false
@@ -64,7 +66,9 @@ func (e *StorageEngine) delete(prm *DeletePrm) (*DeleteRes, error) {
 				return false
 			}
 
-			_, err = sh.Inhume(shPrm.MarkAsGarbage(prm.addr[i]))
+			shPrm.MarkAsGarbage(prm.addr[i])
+
+			_, err = sh.Inhume(shPrm)
 			if err != nil {
 				e.reportShardError(sh, "could not inhume object in shard", err)
 
diff --git a/pkg/local_object_storage/engine/dump.go b/pkg/local_object_storage/engine/dump.go
index f9a1fffa..bdb12377 100644
--- a/pkg/local_object_storage/engine/dump.go
+++ b/pkg/local_object_storage/engine/dump.go
@@ -5,7 +5,7 @@ import "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 // DumpShard dumps objects from the shard with provided identifier.
 //
 // Returns an error if shard is not read-only.
-func (e *StorageEngine) DumpShard(id *shard.ID, prm *shard.DumpPrm) error {
+func (e *StorageEngine) DumpShard(id *shard.ID, prm shard.DumpPrm) error {
 	e.mtx.RLock()
 	defer e.mtx.RUnlock()
 
diff --git a/pkg/local_object_storage/engine/error_test.go b/pkg/local_object_storage/engine/error_test.go
index 12bdbb6c..aefb4356 100644
--- a/pkg/local_object_storage/engine/error_test.go
+++ b/pkg/local_object_storage/engine/error_test.go
@@ -64,7 +64,8 @@ func TestErrorReporting(t *testing.T) {
 		obj := generateObjectWithCID(t, cidtest.ID())
 		obj.SetPayload(make([]byte, errSmallSize))
 
-		prm := new(shard.PutPrm).WithObject(obj)
+		var prm shard.PutPrm
+		prm.WithObject(obj)
 		e.mtx.RLock()
 		_, err := e.shards[id[0].String()].Shard.Put(prm)
 		e.mtx.RUnlock()
@@ -93,7 +94,8 @@ func TestErrorReporting(t *testing.T) {
 		obj := generateObjectWithCID(t, cidtest.ID())
 		obj.SetPayload(make([]byte, errSmallSize))
 
-		prm := new(shard.PutPrm).WithObject(obj)
+		var prm shard.PutPrm
+		prm.WithObject(obj)
 		e.mtx.RLock()
 		_, err := e.shards[id[0].String()].Put(prm)
 		e.mtx.RUnlock()
@@ -142,7 +144,8 @@ func TestBlobstorFailback(t *testing.T) {
 		obj := generateObjectWithCID(t, cidtest.ID())
 		obj.SetPayload(make([]byte, size))
 
-		prm := new(shard.PutPrm).WithObject(obj)
+		var prm shard.PutPrm
+		prm.WithObject(obj)
 		e.mtx.RLock()
 		_, err = e.shards[id[0].String()].Shard.Put(prm)
 		e.mtx.RUnlock()
diff --git a/pkg/local_object_storage/engine/exists.go b/pkg/local_object_storage/engine/exists.go
index b1a1be75..537524ef 100644
--- a/pkg/local_object_storage/engine/exists.go
+++ b/pkg/local_object_storage/engine/exists.go
@@ -7,7 +7,8 @@ import (
 )
 
 func (e *StorageEngine) exists(addr oid.Address) (bool, error) {
-	shPrm := new(shard.ExistsPrm).WithAddress(addr)
+	var shPrm shard.ExistsPrm
+	shPrm.WithAddress(addr)
 	alreadyRemoved := false
 	exists := false
 
diff --git a/pkg/local_object_storage/engine/get.go b/pkg/local_object_storage/engine/get.go
index 8d6a2669..ea9ff434 100644
--- a/pkg/local_object_storage/engine/get.go
+++ b/pkg/local_object_storage/engine/get.go
@@ -73,8 +73,8 @@ func (e *StorageEngine) get(prm *GetPrm) (*GetRes, error) {
 		metaError     error
 	)
 
-	shPrm := new(shard.GetPrm).
-		WithAddress(prm.addr)
+	var shPrm shard.GetPrm
+	shPrm.WithAddress(prm.addr)
 
 	e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
 		res, err := sh.Get(shPrm)
@@ -131,7 +131,7 @@ func (e *StorageEngine) get(prm *GetPrm) (*GetRes, error) {
 		// If the object is not found but is present in metabase,
 		// try to fetch it from blobstor directly. If it is found in any
 		// blobstor, increase the error counter for the shard which contains the meta.
-		shPrm = shPrm.WithIgnoreMeta(true)
+		shPrm.WithIgnoreMeta(true)
 
 		e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
 			res, err := sh.Get(shPrm)
diff --git a/pkg/local_object_storage/engine/head.go b/pkg/local_object_storage/engine/head.go
index 3a75289a..f62654a8 100644
--- a/pkg/local_object_storage/engine/head.go
+++ b/pkg/local_object_storage/engine/head.go
@@ -83,9 +83,9 @@ func (e *StorageEngine) head(prm *HeadPrm) (*HeadRes, error) {
 		outError error = errNotFound
 	)
 
-	shPrm := new(shard.HeadPrm).
-		WithAddress(prm.addr).
-		WithRaw(prm.raw)
+	var shPrm shard.HeadPrm
+	shPrm.WithAddress(prm.addr)
+	shPrm.WithRaw(prm.raw)
 
 	e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
 		res, err := sh.Head(shPrm)
diff --git a/pkg/local_object_storage/engine/head_test.go b/pkg/local_object_storage/engine/head_test.go
index 0bbf5d98..94b96afb 100644
--- a/pkg/local_object_storage/engine/head_test.go
+++ b/pkg/local_object_storage/engine/head_test.go
@@ -46,8 +46,11 @@ func TestHeadRaw(t *testing.T) {
 		e := testNewEngineWithShards(s1, s2)
 		defer e.Close()
 
-		putPrmLeft := new(shard.PutPrm).WithObject(child)
-		putPrmLink := new(shard.PutPrm).WithObject(link)
+		var putPrmLeft shard.PutPrm
+		putPrmLeft.WithObject(child)
+
+		var putPrmLink shard.PutPrm
+		putPrmLink.WithObject(link)
 
 		// put most left object in one shard
 		_, err := s1.Put(putPrmLeft)
diff --git a/pkg/local_object_storage/engine/inhume.go b/pkg/local_object_storage/engine/inhume.go
index 2419c666..9bd43e16 100644
--- a/pkg/local_object_storage/engine/inhume.go
+++ b/pkg/local_object_storage/engine/inhume.go
@@ -69,7 +69,7 @@ func (e *StorageEngine) inhume(prm *InhumePrm) (*InhumeRes, error) {
 		defer elapsed(e.metrics.AddInhumeDuration)()
 	}
 
-	shPrm := new(shard.InhumePrm)
+	var shPrm shard.InhumePrm
 
 	for i := range prm.addrs {
 		if prm.tombstone != nil {
@@ -98,9 +98,10 @@ func (e *StorageEngine) inhume(prm *InhumePrm) (*InhumeRes, error) {
 //   0 - fail
 //   1 - object locked
 //   2 - ok
-func (e *StorageEngine) inhumeAddr(addr oid.Address, prm *shard.InhumePrm, checkExists bool) (status uint8) {
+func (e *StorageEngine) inhumeAddr(addr oid.Address, prm shard.InhumePrm, checkExists bool) (status uint8) {
 	root := false
 	var errLocked apistatus.ObjectLocked
+	var existPrm shard.ExistsPrm
 
 	e.iterateOverSortedShards(addr, func(_ int, sh hashedShard) (stop bool) {
 		defer func() {
@@ -112,9 +113,8 @@ func (e *StorageEngine) inhumeAddr(addr oid.Address, prm *shard.InhumePrm, check
 		}()
 
 		if checkExists {
-			exRes, err := sh.Exists(new(shard.ExistsPrm).
-				WithAddress(addr),
-			)
+			existPrm.WithAddress(addr)
+			exRes, err := sh.Exists(existPrm)
 			if err != nil {
 				if shard.IsErrRemoved(err) {
 					// inhumed once - no need to be inhumed again
diff --git a/pkg/local_object_storage/engine/inhume_test.go b/pkg/local_object_storage/engine/inhume_test.go
index efad4b58..e5ebada1 100644
--- a/pkg/local_object_storage/engine/inhume_test.go
+++ b/pkg/local_object_storage/engine/inhume_test.go
@@ -59,11 +59,13 @@ func TestStorageEngine_Inhume(t *testing.T) {
 		e := testNewEngineWithShards(s1, s2)
 		defer e.Close()
 
-		putChild := new(shard.PutPrm).WithObject(child)
+		var putChild shard.PutPrm
+		putChild.WithObject(child)
 		_, err := s1.Put(putChild)
 		require.NoError(t, err)
 
-		putLink := new(shard.PutPrm).WithObject(link)
+		var putLink shard.PutPrm
+		putLink.WithObject(link)
 		_, err = s2.Put(putLink)
 		require.NoError(t, err)
 
diff --git a/pkg/local_object_storage/engine/list.go b/pkg/local_object_storage/engine/list.go
index ec667a29..8bb694b0 100644
--- a/pkg/local_object_storage/engine/list.go
+++ b/pkg/local_object_storage/engine/list.go
@@ -104,7 +104,8 @@ func (e *StorageEngine) ListWithCursor(prm *ListWithCursorPrm) (*ListWithCursorR
 		}
 
 		count := uint32(int(prm.count) - len(result))
-		shardPrm := new(shard.ListWithCursorPrm).WithCount(count)
+		var shardPrm shard.ListWithCursorPrm
+		shardPrm.WithCount(count)
 		if shardIDs[i] == cursor.shardID {
 			shardPrm.WithCursor(cursor.shardCursor)
 		}
diff --git a/pkg/local_object_storage/engine/lock.go b/pkg/local_object_storage/engine/lock.go
index e2cc9871..6fd2eadd 100644
--- a/pkg/local_object_storage/engine/lock.go
+++ b/pkg/local_object_storage/engine/lock.go
@@ -65,9 +65,10 @@ func (e *StorageEngine) lockSingle(idCnr cid.ID, locker, locked oid.ID, checkExi
 		}()
 
 		if checkExists {
-			exRes, err := sh.Exists(new(shard.ExistsPrm).
-				WithAddress(addrLocked),
-			)
+			var existsPrm shard.ExistsPrm
+			existsPrm.WithAddress(addrLocked)
+
+			exRes, err := sh.Exists(existsPrm)
 			if err != nil {
 				var siErr *objectSDK.SplitInfoError
 				if !errors.As(err, &siErr) {
diff --git a/pkg/local_object_storage/engine/put.go b/pkg/local_object_storage/engine/put.go
index daf6ec7b..2d8d8310 100644
--- a/pkg/local_object_storage/engine/put.go
+++ b/pkg/local_object_storage/engine/put.go
@@ -61,7 +61,7 @@ func (e *StorageEngine) put(prm *PutPrm) (*PutRes, error) {
 		return nil, err
 	}
 
-	existPrm := new(shard.ExistsPrm)
+	var existPrm shard.ExistsPrm
 	existPrm.WithAddress(addr)
 
 	finished := false
@@ -83,7 +83,7 @@ func (e *StorageEngine) put(prm *PutPrm) (*PutRes, error) {
 
 			if exists.Exists() {
 				if ind != 0 {
-					toMoveItPrm := new(shard.ToMoveItPrm)
+					var toMoveItPrm shard.ToMoveItPrm
 					toMoveItPrm.WithAddress(addr)
 
 					_, err = sh.ToMoveIt(toMoveItPrm)
@@ -100,7 +100,7 @@ func (e *StorageEngine) put(prm *PutPrm) (*PutRes, error) {
 				return
 			}
 
-			putPrm := new(shard.PutPrm)
+			var putPrm shard.PutPrm
 			putPrm.WithObject(prm.obj)
 
 			_, err = sh.Put(putPrm)
diff --git a/pkg/local_object_storage/engine/range.go b/pkg/local_object_storage/engine/range.go
index d081a4c0..6cc8ea98 100644
--- a/pkg/local_object_storage/engine/range.go
+++ b/pkg/local_object_storage/engine/range.go
@@ -91,9 +91,9 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
 		metaError     error
 	)
 
-	shPrm := new(shard.RngPrm).
-		WithAddress(prm.addr).
-		WithRange(prm.off, prm.ln)
+	var shPrm shard.RngPrm
+	shPrm.WithAddress(prm.addr)
+	shPrm.WithRange(prm.off, prm.ln)
 
 	e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
 		res, err := sh.GetRange(shPrm)
@@ -152,7 +152,7 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
 		// If the object is not found but is present in metabase,
 		// try to fetch it from blobstor directly. If it is found in any
 		// blobstor, increase the error counter for the shard which contains the meta.
-		shPrm = shPrm.WithIgnoreMeta(true)
+		shPrm.WithIgnoreMeta(true)
 
 		e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
 			res, err := sh.GetRange(shPrm)
diff --git a/pkg/local_object_storage/engine/restore.go b/pkg/local_object_storage/engine/restore.go
index 605a4758..14738eaf 100644
--- a/pkg/local_object_storage/engine/restore.go
+++ b/pkg/local_object_storage/engine/restore.go
@@ -5,7 +5,7 @@ import "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 // RestoreShard restores objects from dump to the shard with provided identifier.
 //
 // Returns an error if shard is not read-only.
-func (e *StorageEngine) RestoreShard(id *shard.ID, prm *shard.RestorePrm) error {
+func (e *StorageEngine) RestoreShard(id *shard.ID, prm shard.RestorePrm) error {
 	e.mtx.RLock()
 	defer e.mtx.RUnlock()
 
diff --git a/pkg/local_object_storage/engine/select.go b/pkg/local_object_storage/engine/select.go
index d69d1b7d..3eea730a 100644
--- a/pkg/local_object_storage/engine/select.go
+++ b/pkg/local_object_storage/engine/select.go
@@ -65,9 +65,9 @@ func (e *StorageEngine) _select(prm *SelectPrm) (*SelectRes, error) {
 
 	var outError error
 
-	shPrm := new(shard.SelectPrm).
-		WithContainerID(prm.cnr).
-		WithFilters(prm.filters)
+	var shPrm shard.SelectPrm
+	shPrm.WithContainerID(prm.cnr)
+	shPrm.WithFilters(prm.filters)
 
 	e.iterateOverUnsortedShards(func(sh hashedShard) (stop bool) {
 		res, err := sh.Select(shPrm)
diff --git a/pkg/local_object_storage/shard/container.go b/pkg/local_object_storage/shard/container.go
index d1bec812..27e4ea41 100644
--- a/pkg/local_object_storage/shard/container.go
+++ b/pkg/local_object_storage/shard/container.go
@@ -14,19 +14,17 @@ type ContainerSizeRes struct {
 	size uint64
 }
 
-func (p *ContainerSizePrm) WithContainerID(cnr cid.ID) *ContainerSizePrm {
+func (p *ContainerSizePrm) WithContainerID(cnr cid.ID) {
 	if p != nil {
 		p.cnr = cnr
 	}
-
-	return p
 }
 
 func (r *ContainerSizeRes) Size() uint64 {
 	return r.size
 }
 
-func (s *Shard) ContainerSize(prm *ContainerSizePrm) (*ContainerSizeRes, error) {
+func (s *Shard) ContainerSize(prm ContainerSizePrm) (*ContainerSizeRes, error) {
 	size, err := s.metaBase.ContainerSize(prm.cnr)
 	if err != nil {
 		return nil, fmt.Errorf("could not get container size: %w", err)
@@ -38,7 +36,7 @@ func (s *Shard) ContainerSize(prm *ContainerSizePrm) (*ContainerSizeRes, error)
 }
 
 func ContainerSize(s *Shard, cnr cid.ID) (uint64, error) {
-	res, err := s.ContainerSize(&ContainerSizePrm{cnr: cnr})
+	res, err := s.ContainerSize(ContainerSizePrm{cnr: cnr})
 	if err != nil {
 		return 0, err
 	}
diff --git a/pkg/local_object_storage/shard/control_test.go b/pkg/local_object_storage/shard/control_test.go
index 5dea9b79..53275337 100644
--- a/pkg/local_object_storage/shard/control_test.go
+++ b/pkg/local_object_storage/shard/control_test.go
@@ -85,20 +85,29 @@ func TestRefillMetabase(t *testing.T) {
 	var putPrm PutPrm
 
 	for _, v := range mObjs {
-		_, err := sh.Put(putPrm.WithObject(v.obj))
+		putPrm.WithObject(v.obj)
+
+		_, err := sh.Put(putPrm)
 		require.NoError(t, err)
 	}
 
-	_, err = sh.Put(putPrm.WithObject(tombObj))
+	putPrm.WithObject(tombObj)
+
+	_, err = sh.Put(putPrm)
 	require.NoError(t, err)
 
-	_, err = sh.Inhume(new(InhumePrm).WithTarget(object.AddressOf(tombObj), tombMembers...))
+	var inhumePrm InhumePrm
+	inhumePrm.WithTarget(object.AddressOf(tombObj), tombMembers...)
+
+	_, err = sh.Inhume(inhumePrm)
 	require.NoError(t, err)
 
 	var headPrm HeadPrm
 
 	checkObj := func(addr oid.Address, expObj *objectSDK.Object) {
-		res, err := sh.Head(headPrm.WithAddress(addr))
+		headPrm.WithAddress(addr)
+
+		res, err := sh.Head(headPrm)
 
 		if expObj == nil {
 			require.ErrorAs(t, err, new(apistatus.ObjectNotFound))
@@ -121,7 +130,9 @@ func TestRefillMetabase(t *testing.T) {
 
 	checkTombMembers := func(exists bool) {
 		for _, member := range tombMembers {
-			_, err := sh.Head(headPrm.WithAddress(member))
+			headPrm.WithAddress(member)
+
+			_, err := sh.Head(headPrm)
 
 			if exists {
 				require.ErrorAs(t, err, new(apistatus.ObjectAlreadyRemoved))
diff --git a/pkg/local_object_storage/shard/delete.go b/pkg/local_object_storage/shard/delete.go
index 04bcfe56..762000e0 100644
--- a/pkg/local_object_storage/shard/delete.go
+++ b/pkg/local_object_storage/shard/delete.go
@@ -20,17 +20,15 @@ type DeleteRes struct{}
 // WithAddresses is a Delete option to set the addresses of the objects to delete.
 //
 // Option is required.
-func (p *DeletePrm) WithAddresses(addr ...oid.Address) *DeletePrm {
+func (p *DeletePrm) WithAddresses(addr ...oid.Address) {
 	if p != nil {
 		p.addr = append(p.addr, addr...)
 	}
-
-	return p
 }
 
 // Delete removes data from the shard's writeCache, metaBase and
 // blobStor.
-func (s *Shard) Delete(prm *DeletePrm) (*DeleteRes, error) {
+func (s *Shard) Delete(prm DeletePrm) (*DeleteRes, error) {
 	if s.GetMode() != ModeReadWrite {
 		return nil, ErrReadOnlyMode
 	}
diff --git a/pkg/local_object_storage/shard/delete_test.go b/pkg/local_object_storage/shard/delete_test.go
index 5a1952e7..189269a6 100644
--- a/pkg/local_object_storage/shard/delete_test.go
+++ b/pkg/local_object_storage/shard/delete_test.go
@@ -30,8 +30,8 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 	obj := generateObjectWithCID(t, cnr)
 	addAttribute(obj, "foo", "bar")
 
-	putPrm := new(shard.PutPrm)
-	getPrm := new(shard.GetPrm)
+	var putPrm shard.PutPrm
+	var getPrm shard.GetPrm
 
 	t.Run("big object", func(t *testing.T) {
 		addPayload(obj, 1<<20)
@@ -39,7 +39,7 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 		putPrm.WithObject(obj)
 		getPrm.WithAddress(object.AddressOf(obj))
 
-		delPrm := new(shard.DeletePrm)
+		var delPrm shard.DeletePrm
 		delPrm.WithAddresses(object.AddressOf(obj))
 
 		_, err := sh.Put(putPrm)
@@ -62,7 +62,7 @@ func testShardDelete(t *testing.T, hasWriteCache bool) {
 		putPrm.WithObject(obj)
 		getPrm.WithAddress(object.AddressOf(obj))
 
-		delPrm := new(shard.DeletePrm)
+		var delPrm shard.DeletePrm
 		delPrm.WithAddresses(object.AddressOf(obj))
 
 		_, err := sh.Put(putPrm)
diff --git a/pkg/local_object_storage/shard/dump.go b/pkg/local_object_storage/shard/dump.go
index 4f39366e..b27f47c1 100644
--- a/pkg/local_object_storage/shard/dump.go
+++ b/pkg/local_object_storage/shard/dump.go
@@ -20,23 +20,20 @@ type DumpPrm struct {
 }
 
 // WithPath is an Dump option to set the destination path.
-func (p *DumpPrm) WithPath(path string) *DumpPrm {
+func (p *DumpPrm) WithPath(path string) {
 	p.path = path
-	return p
 }
 
 // WithStream is an Dump option to set the destination stream.
 // It takes priority over `path` option.
-func (p *DumpPrm) WithStream(r io.Writer) *DumpPrm {
+func (p *DumpPrm) WithStream(r io.Writer) {
 	p.stream = r
-	return p
 }
 
 // WithIgnoreErrors is an Dump option to allow ignore all errors during iteration.
 // This includes invalid blobovniczas as well as corrupted objects.
-func (p *DumpPrm) WithIgnoreErrors(ignore bool) *DumpPrm {
+func (p *DumpPrm) WithIgnoreErrors(ignore bool) {
 	p.ignoreErrors = ignore
-	return p
 }
 
 // DumpRes groups the result fields of Dump operation.
@@ -54,7 +51,7 @@ var ErrMustBeReadOnly = errors.New("shard must be in read-only mode")
 // Dump dumps all objects from the shard to a file or stream.
 //
 // Returns any error encountered.
-func (s *Shard) Dump(prm *DumpPrm) (*DumpRes, error) {
+func (s *Shard) Dump(prm DumpPrm) (*DumpRes, error) {
 	s.m.RLock()
 	defer s.m.RUnlock()
 
diff --git a/pkg/local_object_storage/shard/dump_test.go b/pkg/local_object_storage/shard/dump_test.go
index 61ee943e..8aa268e8 100644
--- a/pkg/local_object_storage/shard/dump_test.go
+++ b/pkg/local_object_storage/shard/dump_test.go
@@ -54,7 +54,8 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 	defer releaseShard(sh, t)
 
 	out := filepath.Join(t.TempDir(), "dump")
-	prm := new(shard.DumpPrm).WithPath(out)
+	var prm shard.DumpPrm
+	prm.WithPath(out)
 
 	t.Run("must be read-only", func(t *testing.T) {
 		_, err := sh.Dump(prm)
@@ -63,7 +64,10 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 
 	require.NoError(t, sh.SetMode(shard.ModeReadOnly))
 	outEmpty := out + ".empty"
-	res, err := sh.Dump(new(shard.DumpPrm).WithPath(outEmpty))
+	var dumpPrm shard.DumpPrm
+	dumpPrm.WithPath(outEmpty)
+
+	res, err := sh.Dump(dumpPrm)
 	require.NoError(t, err)
 	require.Equal(t, 0, res.Count())
 	require.NoError(t, sh.SetMode(shard.ModeReadWrite))
@@ -90,7 +94,8 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 		obj := generateObjectWithPayload(cnr, data)
 		objects[i] = obj
 
-		prm := new(shard.PutPrm).WithObject(objects[i])
+		var prm shard.PutPrm
+		prm.WithObject(objects[i])
 		_, err := sh.Put(prm)
 		require.NoError(t, err)
 	}
@@ -98,7 +103,10 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 	require.NoError(t, sh.SetMode(shard.ModeReadOnly))
 
 	t.Run("invalid path", func(t *testing.T) {
-		_, err := sh.Dump(new(shard.DumpPrm).WithPath("\x00"))
+		var dumpPrm shard.DumpPrm
+		dumpPrm.WithPath("\x00")
+
+		_, err := sh.Dump(dumpPrm)
 		require.Error(t, err)
 	})
 
@@ -111,13 +119,15 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 		defer releaseShard(sh, t)
 
 		t.Run("empty dump", func(t *testing.T) {
-			res, err := sh.Restore(new(shard.RestorePrm).WithPath(outEmpty))
+			var restorePrm shard.RestorePrm
+			restorePrm.WithPath(outEmpty)
+			res, err := sh.Restore(restorePrm)
 			require.NoError(t, err)
 			require.Equal(t, 0, res.Count())
 		})
 
 		t.Run("invalid path", func(t *testing.T) {
-			_, err := sh.Restore(new(shard.RestorePrm))
+			_, err := sh.Restore(*new(shard.RestorePrm))
 			require.ErrorIs(t, err, os.ErrNotExist)
 		})
 
@@ -126,7 +136,10 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 				out := out + ".wrongmagic"
 				require.NoError(t, os.WriteFile(out, []byte{0, 0, 0, 0}, os.ModePerm))
 
-				_, err := sh.Restore(new(shard.RestorePrm).WithPath(out))
+				var restorePrm shard.RestorePrm
+				restorePrm.WithPath(out)
+
+				_, err := sh.Restore(restorePrm)
 				require.ErrorIs(t, err, shard.ErrInvalidMagic)
 			})
 
@@ -138,7 +151,10 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 				fileData := append(fileData, 1)
 				require.NoError(t, os.WriteFile(out, fileData, os.ModePerm))
 
-				_, err := sh.Restore(new(shard.RestorePrm).WithPath(out))
+				var restorePrm shard.RestorePrm
+				restorePrm.WithPath(out)
+
+				_, err := sh.Restore(restorePrm)
 				require.ErrorIs(t, err, io.ErrUnexpectedEOF)
 			})
 			t.Run("incomplete object data", func(t *testing.T) {
@@ -146,7 +162,10 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 				fileData := append(fileData, 1, 0, 0, 0)
 				require.NoError(t, os.WriteFile(out, fileData, os.ModePerm))
 
-				_, err := sh.Restore(new(shard.RestorePrm).WithPath(out))
+				var restorePrm shard.RestorePrm
+				restorePrm.WithPath(out)
+
+				_, err := sh.Restore(restorePrm)
 				require.ErrorIs(t, err, io.EOF)
 			})
 			t.Run("invalid object", func(t *testing.T) {
@@ -154,14 +173,21 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 				fileData := append(fileData, 1, 0, 0, 0, 0xFF, 4, 0, 0, 0, 1, 2, 3, 4)
 				require.NoError(t, os.WriteFile(out, fileData, os.ModePerm))
 
-				_, err := sh.Restore(new(shard.RestorePrm).WithPath(out))
+				var restorePrm shard.RestorePrm
+				restorePrm.WithPath(out)
+
+				_, err := sh.Restore(restorePrm)
 				require.Error(t, err)
 
 				t.Run("skip errors", func(t *testing.T) {
 					sh := newCustomShard(t, filepath.Join(t.TempDir(), "ignore"), false, nil, nil)
 					defer releaseShard(sh, t)
 
-					res, err := sh.Restore(new(shard.RestorePrm).WithPath(out).WithIgnoreErrors(true))
+					var restorePrm shard.RestorePrm
+					restorePrm.WithPath(out)
+					restorePrm.WithIgnoreErrors(true)
+
+					res, err := sh.Restore(restorePrm)
 					require.NoError(t, err)
 					require.Equal(t, objCount, res.Count())
 					require.Equal(t, 2, res.FailCount())
@@ -169,7 +195,8 @@ func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 			})
 		})
 
-		prm := new(shard.RestorePrm).WithPath(out)
+		var prm shard.RestorePrm
+		prm.WithPath(out)
 		t.Run("must allow write", func(t *testing.T) {
 			require.NoError(t, sh.SetMode(shard.ModeReadOnly))
 
@@ -197,7 +224,8 @@ func TestStream(t *testing.T) {
 		obj := generateObjectWithCID(t, cnr)
 		objects[i] = obj
 
-		prm := new(shard.PutPrm).WithObject(objects[i])
+		var prm shard.PutPrm
+		prm.WithObject(objects[i])
 		_, err := sh1.Put(prm)
 		require.NoError(t, err)
 	}
@@ -208,14 +236,20 @@ func TestStream(t *testing.T) {
 	finish := make(chan struct{})
 
 	go func() {
-		res, err := sh1.Dump(new(shard.DumpPrm).WithStream(w))
+		var dumpPrm shard.DumpPrm
+		dumpPrm.WithStream(w)
+
+		res, err := sh1.Dump(dumpPrm)
 		require.NoError(t, err)
 		require.Equal(t, objCount, res.Count())
 		require.NoError(t, w.Close())
 		close(finish)
 	}()
 
-	checkRestore(t, sh2, new(shard.RestorePrm).WithStream(r), objects)
+	var restorePrm shard.RestorePrm
+	restorePrm.WithStream(r)
+
+	checkRestore(t, sh2, restorePrm, objects)
 	require.Eventually(t, func() bool {
 		select {
 		case <-finish:
@@ -226,13 +260,16 @@ func TestStream(t *testing.T) {
 	}, time.Second, time.Millisecond)
 }
 
-func checkRestore(t *testing.T, sh *shard.Shard, prm *shard.RestorePrm, objects []*objectSDK.Object) {
+func checkRestore(t *testing.T, sh *shard.Shard, prm shard.RestorePrm, objects []*objectSDK.Object) {
 	res, err := sh.Restore(prm)
 	require.NoError(t, err)
 	require.Equal(t, len(objects), res.Count())
 
+	var getPrm shard.GetPrm
+
 	for i := range objects {
-		res, err := sh.Get(new(shard.GetPrm).WithAddress(object.AddressOf(objects[i])))
+		getPrm.WithAddress(object.AddressOf(objects[i]))
+		res, err := sh.Get(getPrm)
 		require.NoError(t, err)
 		require.Equal(t, objects[i], res.Object())
 	}
@@ -273,7 +310,8 @@ func TestDumpIgnoreErrors(t *testing.T) {
 		obj := generateObjectWithPayload(cidtest.ID(), make([]byte, size))
 		objects[i] = obj
 
-		prm := new(shard.PutPrm).WithObject(objects[i])
+		var prm shard.PutPrm
+		prm.WithObject(objects[i])
 		_, err := sh.Put(prm)
 		require.NoError(t, err)
 	}
@@ -345,7 +383,10 @@ func TestDumpIgnoreErrors(t *testing.T) {
 	}
 
 	out := filepath.Join(t.TempDir(), "out.dump")
-	res, err := sh.Dump(new(shard.DumpPrm).WithPath(out).WithIgnoreErrors(true))
+	var dumpPrm shard.DumpPrm
+	dumpPrm.WithPath(out)
+	dumpPrm.WithIgnoreErrors(true)
+	res, err := sh.Dump(dumpPrm)
 	require.NoError(t, err)
 	require.Equal(t, objCount, res.Count())
 }
diff --git a/pkg/local_object_storage/shard/exists.go b/pkg/local_object_storage/shard/exists.go
index c2d7fd38..4b340e74 100644
--- a/pkg/local_object_storage/shard/exists.go
+++ b/pkg/local_object_storage/shard/exists.go
@@ -37,7 +37,7 @@ func (p *ExistsRes) Exists() bool {
 // unambiguously determine the presence of an object.
 //
 // Returns an error of type apistatus.ObjectAlreadyRemoved if object has been marked as removed.
-func (s *Shard) Exists(prm *ExistsPrm) (*ExistsRes, error) {
+func (s *Shard) Exists(prm ExistsPrm) (*ExistsRes, error) {
 	exists, err := meta.Exists(s.metaBase, prm.addr)
 	if err != nil {
 		// If the shard is in degraded mode, try to consult blobstor directly.
diff --git a/pkg/local_object_storage/shard/gc.go b/pkg/local_object_storage/shard/gc.go
index bdfd6b21..5b048931 100644
--- a/pkg/local_object_storage/shard/gc.go
+++ b/pkg/local_object_storage/shard/gc.go
@@ -209,10 +209,11 @@ func (s *Shard) removeGarbage() {
 		return
 	}
 
+	var deletePrm DeletePrm
+	deletePrm.WithAddresses(buf...)
+
 	// delete accumulated objects
-	_, err = s.Delete(new(DeletePrm).
-		WithAddresses(buf...),
-	)
+	_, err = s.Delete(deletePrm)
 	if err != nil {
 		s.log.Warn("could not delete the objects",
 			zap.String("error", err.Error()),
diff --git a/pkg/local_object_storage/shard/get.go b/pkg/local_object_storage/shard/get.go
index a0465743..df4a9397 100644
--- a/pkg/local_object_storage/shard/get.go
+++ b/pkg/local_object_storage/shard/get.go
@@ -34,19 +34,16 @@ type GetRes struct {
 // WithAddress is a Get option to set the address of the requested object.
 //
 // Option is required.
-func (p *GetPrm) WithAddress(addr oid.Address) *GetPrm {
+func (p *GetPrm) WithAddress(addr oid.Address) {
 	if p != nil {
 		p.addr = addr
 	}
-
-	return p
 }
 
 // WithIgnoreMeta is a Get option try to fetch object from blobstor directly,
 // without accessing metabase.
-func (p *GetPrm) WithIgnoreMeta(ignore bool) *GetPrm {
+func (p *GetPrm) WithIgnoreMeta(ignore bool) {
 	p.skipMeta = ignore
-	return p
 }
 
 // Object returns the requested object.
@@ -66,7 +63,7 @@ func (r *GetRes) HasMeta() bool {
 //
 // Returns an error of type apistatus.ObjectNotFound if the requested object is missing in shard.
 // Returns an error of type apistatus.ObjectAlreadyRemoved if the requested object has been marked as removed in shard.
-func (s *Shard) Get(prm *GetPrm) (*GetRes, error) {
+func (s *Shard) Get(prm GetPrm) (*GetRes, error) {
 	var big, small storFetcher
 
 	big = func(stor *blobstor.BlobStor, _ *blobovnicza.ID) (*objectSDK.Object, error) {
diff --git a/pkg/local_object_storage/shard/get_test.go b/pkg/local_object_storage/shard/get_test.go
index edc3956c..c6d0ccf3 100644
--- a/pkg/local_object_storage/shard/get_test.go
+++ b/pkg/local_object_storage/shard/get_test.go
@@ -28,8 +28,8 @@ func testShardGet(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	putPrm := new(shard.PutPrm)
-	getPrm := new(shard.GetPrm)
+	var putPrm shard.PutPrm
+	var getPrm shard.GetPrm
 
 	t.Run("small object", func(t *testing.T) {
 		obj := generateObject(t)
@@ -111,7 +111,7 @@ func testShardGet(t *testing.T, hasWriteCache bool) {
 	})
 }
 
-func testGet(t *testing.T, sh *shard.Shard, getPrm *shard.GetPrm, hasWriteCache bool) (*shard.GetRes, error) {
+func testGet(t *testing.T, sh *shard.Shard, getPrm shard.GetPrm, hasWriteCache bool) (*shard.GetRes, error) {
 	res, err := sh.Get(getPrm)
 	if hasWriteCache {
 		require.Eventually(t, func() bool {
diff --git a/pkg/local_object_storage/shard/head.go b/pkg/local_object_storage/shard/head.go
index a84884ef..316ee701 100644
--- a/pkg/local_object_storage/shard/head.go
+++ b/pkg/local_object_storage/shard/head.go
@@ -23,23 +23,19 @@ type HeadRes struct {
 // WithAddress is a Head option to set the address of the requested object.
 //
 // Option is required.
-func (p *HeadPrm) WithAddress(addr oid.Address) *HeadPrm {
+func (p *HeadPrm) WithAddress(addr oid.Address) {
 	if p != nil {
 		p.addr = addr
 	}
-
-	return p
 }
 
 // WithRaw is a Head option to set raw flag value. If flag is unset, then Head
 // returns header of virtual object, otherwise it returns SplitInfo of virtual
 // object.
-func (p *HeadPrm) WithRaw(raw bool) *HeadPrm {
+func (p *HeadPrm) WithRaw(raw bool) {
 	if p != nil {
 		p.raw = raw
 	}
-
-	return p
 }
 
 // Object returns the requested object header.
@@ -53,7 +49,7 @@ func (r *HeadRes) Object() *objectSDK.Object {
 //
 // Returns an error of type apistatus.ObjectNotFound if object is missing in Shard.
 // Returns an error of type apistatus.ObjectAlreadyRemoved if the requested object has been marked as removed in shard.
-func (s *Shard) Head(prm *HeadPrm) (*HeadRes, error) {
+func (s *Shard) Head(prm HeadPrm) (*HeadRes, error) {
 	// object can be saved in write-cache (if enabled) or in metabase
 
 	if s.hasWriteCache() {
diff --git a/pkg/local_object_storage/shard/head_test.go b/pkg/local_object_storage/shard/head_test.go
index 7a4b74a6..81b189e2 100644
--- a/pkg/local_object_storage/shard/head_test.go
+++ b/pkg/local_object_storage/shard/head_test.go
@@ -26,8 +26,8 @@ func testShardHead(t *testing.T, hasWriteCache bool) {
 	sh := newShard(t, hasWriteCache)
 	defer releaseShard(sh, t)
 
-	putPrm := new(shard.PutPrm)
-	headPrm := new(shard.HeadPrm)
+	var putPrm shard.PutPrm
+	var headPrm shard.HeadPrm
 
 	t.Run("regular object", func(t *testing.T) {
 		obj := generateObject(t)
@@ -80,7 +80,7 @@ func testShardHead(t *testing.T, hasWriteCache bool) {
 	})
 }
 
-func testHead(t *testing.T, sh *shard.Shard, headPrm *shard.HeadPrm, hasWriteCache bool) (*shard.HeadRes, error) {
+func testHead(t *testing.T, sh *shard.Shard, headPrm shard.HeadPrm, hasWriteCache bool) (*shard.HeadRes, error) {
 	res, err := sh.Head(headPrm)
 	if hasWriteCache {
 		require.Eventually(t, func() bool {
diff --git a/pkg/local_object_storage/shard/inhume.go b/pkg/local_object_storage/shard/inhume.go
index e16ac856..5063d2a3 100644
--- a/pkg/local_object_storage/shard/inhume.go
+++ b/pkg/local_object_storage/shard/inhume.go
@@ -22,25 +22,21 @@ type InhumeRes struct{}
 //
 // tombstone should not be nil, addr should not be empty.
 // Should not be called along with MarkAsGarbage.
-func (p *InhumePrm) WithTarget(tombstone oid.Address, addrs ...oid.Address) *InhumePrm {
+func (p *InhumePrm) WithTarget(tombstone oid.Address, addrs ...oid.Address) {
 	if p != nil {
 		p.target = addrs
 		p.tombstone = &tombstone
 	}
-
-	return p
 }
 
 // MarkAsGarbage marks object to be physically removed from shard.
 //
 // Should not be called along with WithTarget.
-func (p *InhumePrm) MarkAsGarbage(addr ...oid.Address) *InhumePrm {
+func (p *InhumePrm) MarkAsGarbage(addr ...oid.Address) {
 	if p != nil {
 		p.target = addr
 		p.tombstone = nil
 	}
-
-	return p
 }
 
 // Inhume calls metabase. Inhume method to mark object as removed. It won't be
@@ -50,7 +46,7 @@ func (p *InhumePrm) MarkAsGarbage(addr ...oid.Address) *InhumePrm {
 // if at least one object is locked.
 //
 // Returns ErrReadOnlyMode error if shard is in "read-only" mode.
-func (s *Shard) Inhume(prm *InhumePrm) (*InhumeRes, error) {
+func (s *Shard) Inhume(prm InhumePrm) (*InhumeRes, error) {
 	if s.GetMode() != ModeReadWrite {
 		return nil, ErrReadOnlyMode
 	}
diff --git a/pkg/local_object_storage/shard/inhume_test.go b/pkg/local_object_storage/shard/inhume_test.go
index ea7621e1..cd3b6d33 100644
--- a/pkg/local_object_storage/shard/inhume_test.go
+++ b/pkg/local_object_storage/shard/inhume_test.go
@@ -31,13 +31,13 @@ func testShardInhume(t *testing.T, hasWriteCache bool) {
 
 	ts := generateObjectWithCID(t, cnr)
 
-	putPrm := new(shard.PutPrm)
+	var putPrm shard.PutPrm
 	putPrm.WithObject(obj)
 
-	inhPrm := new(shard.InhumePrm)
+	var inhPrm shard.InhumePrm
 	inhPrm.WithTarget(object.AddressOf(ts), object.AddressOf(obj))
 
-	getPrm := new(shard.GetPrm)
+	var getPrm shard.GetPrm
 	getPrm.WithAddress(object.AddressOf(obj))
 
 	_, err := sh.Put(putPrm)
diff --git a/pkg/local_object_storage/shard/list.go b/pkg/local_object_storage/shard/list.go
index c0b85945..403e751a 100644
--- a/pkg/local_object_storage/shard/list.go
+++ b/pkg/local_object_storage/shard/list.go
@@ -41,17 +41,15 @@ type ListWithCursorRes struct {
 }
 
 // WithCount sets maximum amount of addresses that ListWithCursor should return.
-func (p *ListWithCursorPrm) WithCount(count uint32) *ListWithCursorPrm {
+func (p *ListWithCursorPrm) WithCount(count uint32) {
 	p.count = count
-	return p
 }
 
 // WithCursor sets cursor for ListWithCursor operation. For initial request,
 // ignore this param or use nil value. For consecutive requests, use value
 // from ListWithCursorRes.
-func (p *ListWithCursorPrm) WithCursor(cursor *Cursor) *ListWithCursorPrm {
+func (p *ListWithCursorPrm) WithCursor(cursor *Cursor) {
 	p.cursor = cursor
-	return p
 }
 
 // AddressList returns addresses selected by ListWithCursor operation.
@@ -91,7 +89,7 @@ func (s *Shard) List() (*SelectRes, error) {
 	return res, nil
 }
 
-func (s *Shard) ListContainers(_ *ListContainersPrm) (*ListContainersRes, error) {
+func (s *Shard) ListContainers(_ ListContainersPrm) (*ListContainersRes, error) {
 	containers, err := s.metaBase.Containers()
 	if err != nil {
 		return nil, fmt.Errorf("could not get list of containers: %w", err)
@@ -103,7 +101,7 @@ func (s *Shard) ListContainers(_ *ListContainersPrm) (*ListContainersRes, error)
 }
 
 func ListContainers(s *Shard) ([]cid.ID, error) {
-	res, err := s.ListContainers(&ListContainersPrm{})
+	res, err := s.ListContainers(ListContainersPrm{})
 	if err != nil {
 		return nil, err
 	}
@@ -117,7 +115,7 @@ func ListContainers(s *Shard) ([]cid.ID, error) {
 //
 // Returns ErrEndOfListing if there are no more objects to return or count
 // parameter set to zero.
-func (s *Shard) ListWithCursor(prm *ListWithCursorPrm) (*ListWithCursorRes, error) {
+func (s *Shard) ListWithCursor(prm ListWithCursorPrm) (*ListWithCursorRes, error) {
 	var metaPrm meta.ListPrm
 	metaPrm.WithCount(prm.count)
 	metaPrm.WithCursor(prm.cursor)
@@ -140,7 +138,9 @@ func (s *Shard) ListWithCursor(prm *ListWithCursorPrm) (*ListWithCursorRes, erro
 // Returns ErrEndOfListing if there are no more objects to return or count
 // parameter set to zero.
 func ListWithCursor(s *Shard, count uint32, cursor *Cursor) ([]oid.Address, *Cursor, error) {
-	prm := new(ListWithCursorPrm).WithCount(count).WithCursor(cursor)
+	var prm ListWithCursorPrm
+	prm.WithCount(count)
+	prm.WithCursor(cursor)
 	res, err := s.ListWithCursor(prm)
 	if err != nil {
 		return nil, nil, err
diff --git a/pkg/local_object_storage/shard/list_test.go b/pkg/local_object_storage/shard/list_test.go
index 20a74eee..8e4c06ad 100644
--- a/pkg/local_object_storage/shard/list_test.go
+++ b/pkg/local_object_storage/shard/list_test.go
@@ -32,7 +32,7 @@ func testShardList(t *testing.T, sh *shard.Shard) {
 	const N = 5
 
 	objs := make(map[string]int)
-	putPrm := new(shard.PutPrm)
+	var putPrm shard.PutPrm
 
 	for i := 0; i < C; i++ {
 		cnr := cidtest.ID()
diff --git a/pkg/local_object_storage/shard/move.go b/pkg/local_object_storage/shard/move.go
index 225176eb..65c4b5f2 100644
--- a/pkg/local_object_storage/shard/move.go
+++ b/pkg/local_object_storage/shard/move.go
@@ -16,17 +16,15 @@ type ToMoveItRes struct{}
 
 // WithAddress sets object address that should be marked to move into another
 // shard.
-func (p *ToMoveItPrm) WithAddress(addr oid.Address) *ToMoveItPrm {
+func (p *ToMoveItPrm) WithAddress(addr oid.Address) {
 	if p != nil {
 		p.addr = addr
 	}
-
-	return p
 }
 
 // ToMoveIt calls metabase.ToMoveIt method to mark object as relocatable to
 // another shard.
-func (s *Shard) ToMoveIt(prm *ToMoveItPrm) (*ToMoveItRes, error) {
+func (s *Shard) ToMoveIt(prm ToMoveItPrm) (*ToMoveItRes, error) {
 	if s.GetMode() != ModeReadWrite {
 		return nil, ErrReadOnlyMode
 	}
diff --git a/pkg/local_object_storage/shard/put.go b/pkg/local_object_storage/shard/put.go
index 8636b284..55c54b0b 100644
--- a/pkg/local_object_storage/shard/put.go
+++ b/pkg/local_object_storage/shard/put.go
@@ -18,12 +18,10 @@ type PutPrm struct {
 type PutRes struct{}
 
 // WithObject is a Put option to set object to save.
-func (p *PutPrm) WithObject(obj *object.Object) *PutPrm {
+func (p *PutPrm) WithObject(obj *object.Object) {
 	if p != nil {
 		p.obj = obj
 	}
-
-	return p
 }
 
 // Put saves the object in shard.
@@ -32,7 +30,7 @@ func (p *PutPrm) WithObject(obj *object.Object) *PutPrm {
 // did not allow to completely save the object.
 //
 // Returns ErrReadOnlyMode error if shard is in "read-only" mode.
-func (s *Shard) Put(prm *PutPrm) (*PutRes, error) {
+func (s *Shard) Put(prm PutPrm) (*PutRes, error) {
 	if s.GetMode() != ModeReadWrite {
 		return nil, ErrReadOnlyMode
 	}
diff --git a/pkg/local_object_storage/shard/range.go b/pkg/local_object_storage/shard/range.go
index b10e039d..e09154ac 100644
--- a/pkg/local_object_storage/shard/range.go
+++ b/pkg/local_object_storage/shard/range.go
@@ -27,28 +27,23 @@ type RngRes struct {
 // WithAddress is a Rng option to set the address of the requested object.
 //
 // Option is required.
-func (p *RngPrm) WithAddress(addr oid.Address) *RngPrm {
+func (p *RngPrm) WithAddress(addr oid.Address) {
 	if p != nil {
 		p.addr = addr
 	}
-
-	return p
 }
 
 // WithRange is a GetRange option to set range of requested payload data.
-func (p *RngPrm) WithRange(off uint64, ln uint64) *RngPrm {
+func (p *RngPrm) WithRange(off uint64, ln uint64) {
 	if p != nil {
 		p.off, p.ln = off, ln
 	}
-
-	return p
 }
 
 // WithIgnoreMeta is a Get option try to fetch object from blobstor directly,
 // without accessing metabase.
-func (p *RngPrm) WithIgnoreMeta(ignore bool) *RngPrm {
+func (p *RngPrm) WithIgnoreMeta(ignore bool) {
 	p.skipMeta = ignore
-	return p
 }
 
 // Object returns the requested object part.
@@ -71,7 +66,7 @@ func (r *RngRes) HasMeta() bool {
 // Returns ErrRangeOutOfBounds if the requested object range is out of bounds.
 // Returns an error of type apistatus.ObjectNotFound if the requested object is missing.
 // Returns an error of type apistatus.ObjectAlreadyRemoved if the requested object has been marked as removed in shard.
-func (s *Shard) GetRange(prm *RngPrm) (*RngRes, error) {
+func (s *Shard) GetRange(prm RngPrm) (*RngRes, error) {
 	var big, small storFetcher
 
 	rng := object.NewRange()
diff --git a/pkg/local_object_storage/shard/restore.go b/pkg/local_object_storage/shard/restore.go
index 8c312400..d714e1b4 100644
--- a/pkg/local_object_storage/shard/restore.go
+++ b/pkg/local_object_storage/shard/restore.go
@@ -21,23 +21,20 @@ type RestorePrm struct {
 }
 
 // WithPath is a Restore option to set the destination path.
-func (p *RestorePrm) WithPath(path string) *RestorePrm {
+func (p *RestorePrm) WithPath(path string) {
 	p.path = path
-	return p
 }
 
 // WithStream is a Restore option to set the stream to read objects from.
 // It takes priority over `WithPath` option.
-func (p *RestorePrm) WithStream(r io.Reader) *RestorePrm {
+func (p *RestorePrm) WithStream(r io.Reader) {
 	p.stream = r
-	return p
 }
 
 // WithIgnoreErrors is a Restore option which allows to ignore errors encountered during restore.
 // Corrupted objects will not be processed.
-func (p *RestorePrm) WithIgnoreErrors(ignore bool) *RestorePrm {
+func (p *RestorePrm) WithIgnoreErrors(ignore bool) {
 	p.ignoreErrors = ignore
-	return p
 }
 
 // RestoreRes groups the result fields of Restore operation.
@@ -59,7 +56,7 @@ func (r *RestoreRes) FailCount() int {
 // Restore restores objects from the dump prepared by Dump.
 //
 // Returns any error encountered.
-func (s *Shard) Restore(prm *RestorePrm) (*RestoreRes, error) {
+func (s *Shard) Restore(prm RestorePrm) (*RestoreRes, error) {
 	// Disallow changing mode during restore.
 	s.m.RLock()
 	defer s.m.RUnlock()
@@ -85,6 +82,8 @@ func (s *Shard) Restore(prm *RestorePrm) (*RestoreRes, error) {
 		return nil, ErrInvalidMagic
 	}
 
+	var putPrm PutPrm
+
 	var count, failCount int
 	var data []byte
 	var size [4]byte
@@ -121,7 +120,8 @@ func (s *Shard) Restore(prm *RestorePrm) (*RestoreRes, error) {
 			return nil, err
 		}
 
-		_, err = s.Put(new(PutPrm).WithObject(obj))
+		putPrm.WithObject(obj)
+		_, err = s.Put(putPrm)
 		if err != nil {
 			return nil, err
 		}
diff --git a/pkg/local_object_storage/shard/select.go b/pkg/local_object_storage/shard/select.go
index 85ffe31d..60dc48be 100644
--- a/pkg/local_object_storage/shard/select.go
+++ b/pkg/local_object_storage/shard/select.go
@@ -21,21 +21,17 @@ type SelectRes struct {
 }
 
 // WithContainerID is a Select option to set the container id to search in.
-func (p *SelectPrm) WithContainerID(cnr cid.ID) *SelectPrm {
+func (p *SelectPrm) WithContainerID(cnr cid.ID) {
 	if p != nil {
 		p.cnr = cnr
 	}
-
-	return p
 }
 
 // WithFilters is a Select option to set the object filters.
-func (p *SelectPrm) WithFilters(fs object.SearchFilters) *SelectPrm {
+func (p *SelectPrm) WithFilters(fs object.SearchFilters) {
 	if p != nil {
 		p.filters = fs
 	}
-
-	return p
 }
 
 // AddressList returns list of addresses of the selected objects.
@@ -47,7 +43,7 @@ func (r *SelectRes) AddressList() []oid.Address {
 //
 // Returns any error encountered that
 // did not allow to completely select the objects.
-func (s *Shard) Select(prm *SelectPrm) (*SelectRes, error) {
+func (s *Shard) Select(prm SelectPrm) (*SelectRes, error) {
 	addrList, err := meta.Select(s.metaBase, prm.cnr, prm.filters)
 	if err != nil {
 		return nil, fmt.Errorf("could not select objects from metabase: %w", err)
diff --git a/pkg/local_object_storage/shard/shutdown_test.go b/pkg/local_object_storage/shard/shutdown_test.go
index 774a629c..60bee152 100644
--- a/pkg/local_object_storage/shard/shutdown_test.go
+++ b/pkg/local_object_storage/shard/shutdown_test.go
@@ -37,8 +37,11 @@ func TestWriteCacheObjectLoss(t *testing.T) {
 
 	sh := newCustomShard(t, dir, true, wcOpts, nil)
 
+	var putPrm shard.PutPrm
+
 	for i := range objects {
-		_, err := sh.Put(new(shard.PutPrm).WithObject(objects[i]))
+		putPrm.WithObject(objects[i])
+		_, err := sh.Put(putPrm)
 		require.NoError(t, err)
 	}
 	require.NoError(t, sh.Close())
@@ -46,8 +49,12 @@ func TestWriteCacheObjectLoss(t *testing.T) {
 	sh = newCustomShard(t, dir, true, wcOpts, nil)
 	defer releaseShard(sh, t)
 
+	var getPrm shard.GetPrm
+
 	for i := range objects {
-		_, err := sh.Get(new(shard.GetPrm).WithAddress(object.AddressOf(objects[i])))
+		getPrm.WithAddress(object.AddressOf(objects[i]))
+
+		_, err := sh.Get(getPrm)
 		require.NoError(t, err, i)
 	}
 }
diff --git a/pkg/services/control/server/dump.go b/pkg/services/control/server/dump.go
index 024af053..b73f6464 100644
--- a/pkg/services/control/server/dump.go
+++ b/pkg/services/control/server/dump.go
@@ -17,7 +17,7 @@ func (s *Server) DumpShard(_ context.Context, req *control.DumpShardRequest) (*c
 
 	shardID := shard.NewIDFromBytes(req.GetBody().GetShard_ID())
 
-	prm := new(shard.DumpPrm)
+	var prm shard.DumpPrm
 	prm.WithPath(req.GetBody().GetFilepath())
 	prm.WithIgnoreErrors(req.GetBody().GetIgnoreErrors())
 
diff --git a/pkg/services/control/server/restore.go b/pkg/services/control/server/restore.go
index ec92f2fe..895c59a0 100644
--- a/pkg/services/control/server/restore.go
+++ b/pkg/services/control/server/restore.go
@@ -17,7 +17,7 @@ func (s *Server) RestoreShard(_ context.Context, req *control.RestoreShardReques
 
 	shardID := shard.NewIDFromBytes(req.GetBody().GetShard_ID())
 
-	prm := new(shard.RestorePrm)
+	var prm shard.RestorePrm
 	prm.WithPath(req.GetBody().GetFilepath())
 	prm.WithIgnoreErrors(req.GetBody().GetIgnoreErrors())