For multi-device btrfs, after UUID change we should info kernel, or new
fs can't be mounted due to false alert on missing devices.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
btrfstune.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/btrfstune.c b/btrfstune.c
index 15dde90..23d06ce 100644
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -369,6 +369,15 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str)
fs_info->new_fsid = NULL;
fs_info->new_chunk_tree_uuid = NULL;
printf("Fsid change finished\n");
+
+ /*
+ * Register new devices, or multi-volume btrfs can't be mounted until
+ * device scan happens.
+ * Ignore any error, as such register is optional.
+ */
+ printf("Register new UUIDs(error can be ignored)\n");
+ btrfs_register_all_devices();
+
out:
return ret;
}
--
2.10.0
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
