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blockdev: Overlays are not snapshots

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There are error messages which refer to an overlay node as the snapshot.
That is wrong, those are two different things.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20190603202236.1342-3-mreitz@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-06-03 22:22:36 +02:00
parent 681b86ac50
commit a2bb6f8c92
2 changed files with 10 additions and 10 deletions
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10
blockdev.c
View File

@ -1608,13 +1608,13 @@ static void external_snapshot_prepare(BlkActionState *common,
s->has_snapshot_node_name ? s->snapshot_node_name : NULL;
if (node_name && !snapshot_node_name) {
error_setg(errp, "New snapshot node name missing");
error_setg(errp, "New overlay node name missing");
goto out;
}
if (snapshot_node_name &&
bdrv_lookup_bs(snapshot_node_name, snapshot_node_name, NULL)) {
error_setg(errp, "New snapshot node name already in use");
error_setg(errp, "New overlay node name already in use");
goto out;
}
@ -1656,7 +1656,7 @@ static void external_snapshot_prepare(BlkActionState *common,
}
if (bdrv_has_blk(state->new_bs)) {
error_setg(errp, "The snapshot is already in use");
error_setg(errp, "The overlay is already in use");
goto out;
}
@ -1666,12 +1666,12 @@ static void external_snapshot_prepare(BlkActionState *common,
}
if (state->new_bs->backing != NULL) {
error_setg(errp, "The snapshot already has a backing image");
error_setg(errp, "The overlay already has a backing image");
goto out;
}
if (!state->new_bs->drv->supports_backing) {
error_setg(errp, "The snapshot does not support backing images");
error_setg(errp, "The overlay does not support backing images");
goto out;
}

10
tests/qemu-iotests/085.out
View File

@ -64,13 +64,13 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/
=== Invalid command - cannot create a snapshot using a file BDS ===
{"error": {"class": "GenericError", "desc": "The snapshot does not support backing images"}}
{"error": {"class": "GenericError", "desc": "The overlay does not support backing images"}}
=== Invalid command - snapshot node used as active layer ===
{"error": {"class": "GenericError", "desc": "The snapshot is already in use"}}
{"error": {"class": "GenericError", "desc": "The snapshot is already in use"}}
{"error": {"class": "GenericError", "desc": "The snapshot is already in use"}}
{"error": {"class": "GenericError", "desc": "The overlay is already in use"}}
{"error": {"class": "GenericError", "desc": "The overlay is already in use"}}
{"error": {"class": "GenericError", "desc": "The overlay is already in use"}}
=== Invalid command - snapshot node used as backing hd ===
@ -81,7 +81,7 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=134217728
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/t.IMGFMT.base
{"return": {}}
{"error": {"class": "GenericError", "desc": "The snapshot already has a backing image"}}
{"error": {"class": "GenericError", "desc": "The overlay already has a backing image"}}
=== Invalid command - The node does not exist ===