diff --git a/borg/archive.py b/borg/archive.py
index 870069953..eba4bb7f1 100644
--- a/borg/archive.py
+++ b/borg/archive.py
@@ -46,7 +46,7 @@ flags_normal = os.O_RDONLY | getattr(os, 'O_BINARY', 0)
 flags_noatime = flags_normal | getattr(os, 'O_NOATIME', 0)
 
 
-class InputOSError(Exception):
+class BackupOSError(Exception):
     """Wrapper for OSError raised while accessing input files."""
     def __init__(self, os_error):
         self.os_error = os_error
@@ -59,18 +59,18 @@ class InputOSError(Exception):
 
 
 @contextmanager
-def input_io():
-    """Context manager changing OSError to InputOSError."""
+def backup_io():
+    """Context manager changing OSError to BackupOSError."""
     try:
         yield
     except OSError as os_error:
-        raise InputOSError(os_error) from os_error
+        raise BackupOSError(os_error) from os_error
 
 
 def input_io_iter(iterator):
     while True:
         try:
-            with input_io():
+            with backup_io():
                 item = next(iterator)
         except StopIteration:
             return
@@ -496,13 +496,13 @@ Number of files: {0.stats.nfiles}'''.format(
         }
         if self.numeric_owner:
             item[b'user'] = item[b'group'] = None
-        with input_io():
+        with backup_io():
             xattrs = xattr.get_all(path, follow_symlinks=False)
         if xattrs:
             item[b'xattrs'] = StableDict(xattrs)
         if has_lchflags and st.st_flags:
             item[b'bsdflags'] = st.st_flags
-        with input_io():
+        with backup_io():
             acl_get(path, item, st, self.numeric_owner)
         return item
 
@@ -586,7 +586,7 @@ Number of files: {0.stats.nfiles}'''.format(
         item = {b'path': safe_path}
         # Only chunkify the file if needed
         if chunks is None:
-            with input_io():
+            with backup_io():
                 fh = Archive._open_rb(path)
             with os.fdopen(fh, 'rb') as fd:
                 chunks = []
diff --git a/borg/archiver.py b/borg/archiver.py
index 8aff7c2fc..b29ff5af0 100644
--- a/borg/archiver.py
+++ b/borg/archiver.py
@@ -29,7 +29,7 @@ from .upgrader import AtticRepositoryUpgrader, BorgRepositoryUpgrader
 from .repository import Repository
 from .cache import Cache
 from .key import key_creator, RepoKey, PassphraseKey
-from .archive import input_io, InputOSError, Archive, ArchiveChecker, CHUNKER_PARAMS
+from .archive import backup_io, BackupOSError, Archive, ArchiveChecker, CHUNKER_PARAMS
 from .remote import RepositoryServer, RemoteRepository, cache_if_remote
 
 has_lchflags = hasattr(os, 'lchflags')
@@ -198,7 +198,7 @@ class Archiver:
                     if not dry_run:
                         try:
                             status = archive.process_stdin(path, cache)
-                        except InputOSError as e:
+                        except BackupOSError as e:
                             status = 'E'
                             self.print_warning('%s: %s', path, e)
                     else:
@@ -281,7 +281,7 @@ class Archiver:
             if not dry_run:
                 try:
                     status = archive.process_file(path, st, cache, self.ignore_inode)
-                except InputOSError as e:
+                except BackupOSError as e:
                     status = 'E'
                     self.print_warning('%s: %s', path, e)
         elif stat.S_ISDIR(st.st_mode):
diff --git a/borg/testsuite/archive.py b/borg/testsuite/archive.py
index 229ff8bda..2b3961be5 100644
--- a/borg/testsuite/archive.py
+++ b/borg/testsuite/archive.py
@@ -5,7 +5,7 @@ import msgpack
 import pytest
 
 from ..archive import Archive, CacheChunkBuffer, RobustUnpacker, valid_msgpacked_dict, ITEM_KEYS
-from ..archive import InputOSError, input_io, input_io_iter
+from ..archive import BackupOSError, backup_io, input_io_iter
 from ..key import PlaintextKey
 from ..helpers import Manifest
 from . import BaseTestCase
@@ -148,13 +148,13 @@ def test_key_length_msgpacked_items():
     assert valid_msgpacked_dict(msgpack.packb(data), item_keys_serialized)
 
 
-def test_input_io():
-    with pytest.raises(InputOSError):
-        with input_io():
+def test_backup_io():
+    with pytest.raises(BackupOSError):
+        with backup_io():
             raise OSError(123)
 
 
-def test_input_io_iter():
+def test_backup_io_iter():
     class Iterator:
         def __init__(self, exc):
             self.exc = exc
@@ -163,7 +163,7 @@ def test_input_io_iter():
             raise self.exc()
 
     oserror_iterator = Iterator(OSError)
-    with pytest.raises(InputOSError):
+    with pytest.raises(BackupOSError):
         for _ in input_io_iter(oserror_iterator):
             pass