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 <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
