diff --git a/app/vmselect/netstorage/fadvise_darwin.go b/app/vmselect/netstorage/fadvise_darwin.go
deleted file mode 100644
index 799544b0bf..0000000000
--- a/app/vmselect/netstorage/fadvise_darwin.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package netstorage
-
-import (
-	"os"
-)
-
-func mustFadviseSequentialRead(f *os.File) {
-	// Do nothing :)
-}
diff --git a/app/vmselect/netstorage/fadvise_freebsd.go b/app/vmselect/netstorage/fadvise_freebsd.go
deleted file mode 100644
index a9de5e337f..0000000000
--- a/app/vmselect/netstorage/fadvise_freebsd.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package netstorage
-
-import (
-	"os"
-
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"golang.org/x/sys/unix"
-)
-
-func mustFadviseSequentialRead(f *os.File) {
-	fd := int(f.Fd())
-	if err := unix.Fadvise(int(fd), 0, 0, unix.FADV_SEQUENTIAL|unix.FADV_WILLNEED); err != nil {
-		logger.Panicf("FATAL: error returned from unix.Fadvise(SEQUENTIAL|WILLNEED): %s", err)
-	}
-}
diff --git a/app/vmselect/netstorage/fadvise_linux.go b/app/vmselect/netstorage/fadvise_linux.go
deleted file mode 100644
index a9de5e337f..0000000000
--- a/app/vmselect/netstorage/fadvise_linux.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package netstorage
-
-import (
-	"os"
-
-	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
-	"golang.org/x/sys/unix"
-)
-
-func mustFadviseSequentialRead(f *os.File) {
-	fd := int(f.Fd())
-	if err := unix.Fadvise(int(fd), 0, 0, unix.FADV_SEQUENTIAL|unix.FADV_WILLNEED); err != nil {
-		logger.Panicf("FATAL: error returned from unix.Fadvise(SEQUENTIAL|WILLNEED): %s", err)
-	}
-}
diff --git a/app/vmselect/netstorage/tmp_blocks_file.go b/app/vmselect/netstorage/tmp_blocks_file.go
index 58d9eeb777..3667d12b43 100644
--- a/app/vmselect/netstorage/tmp_blocks_file.go
+++ b/app/vmselect/netstorage/tmp_blocks_file.go
@@ -128,7 +128,7 @@ func (tbf *tmpBlocksFile) Finalize() error {
 	// Hint the OS that the file is read almost sequentiallly.
 	// This should reduce the number of disk seeks, which is important
 	// for HDDs.
-	mustFadviseSequentialRead(tbf.f)
+	fs.MustFadviseSequentialRead(tbf.f, true)
 	return nil
 }
 
diff --git a/lib/fs/fadvise_darwin.go b/lib/fs/fadvise_darwin.go
new file mode 100644
index 0000000000..feeb8a721e
--- /dev/null
+++ b/lib/fs/fadvise_darwin.go
@@ -0,0 +1,12 @@
+package fs
+
+import (
+	"os"
+)
+
+// MustFadviseSequentialRead hints the OS that f is read mostly sequentially.
+//
+// if prefetch is set, then the OS is hinted to prefetch f data.
+func MustFadviseSequentialRead(f *os.File, prefetch bool) {
+	// TODO: implement this properly
+}
diff --git a/lib/fs/fadvise_unix.go b/lib/fs/fadvise_unix.go
new file mode 100644
index 0000000000..480a45b2fa
--- /dev/null
+++ b/lib/fs/fadvise_unix.go
@@ -0,0 +1,24 @@
+// +buid linux freebsd
+
+package fs
+
+import (
+	"os"
+
+	"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
+	"golang.org/x/sys/unix"
+)
+
+// MustFadviseSequentialRead hints the OS that f is read mostly sequentially.
+//
+// if prefetch is set, then the OS is hinted to prefetch f data.
+func MustFadviseSequentialRead(f *os.File, prefetch bool) {
+	fd := int(f.Fd())
+	mode := unix.FADV_SEQUENTIAL
+	if prefetch {
+		mode |= unix.FADV_WILLNEED
+	}
+	if err := unix.Fadvise(int(fd), 0, 0, mode); err != nil {
+		logger.Panicf("FATAL: error returned from unix.Fadvise(%d): %s", mode, err)
+	}
+}