Hello, when executing "mkfs.btrfs fs_file" as unprivileged user I''m getting this error "error checking fs_file mount status" where fs_file is a regular file, not a device This problem is only reproducible when "/dev/loop0" is busy mkfs.btrfs --version mkfs.btrfs, part of Btrfs Btrfs v0.19 Regards, Vicente Bergas -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html