From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D72AA22578D for ; Tue, 23 Dec 2025 02:32:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766457166; cv=none; b=kqFWRNPK01vEcgM2qjVqJdMaJc/GQOHN8LdRiYgtUp75KKCUj7fozaZfZWdc6Wp/DIxXnX8Kv0O7/UscHAVhLJUIxZliA6CnsfBYLHWmvxUiGA8IIN8FvvdjFON6t5z12MJb1SfjPGJJ5Xh0eKZ5uNG+UGC3cMLT44WfIasB57M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766457166; c=relaxed/simple; bh=pEl0r6tIMtt4EA48ZnFQISwRXFeyilrX1o5cZ4rg/pE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DoxkJzVUPaI8UqKwRsOyxaKbyiPxtugDjsXwE+He7Ix7KVIhJobqBjnJn0+3b2DeJHUQuk+HHB8z3wj8ZieQNFYU/fIN2r604HSN/EB//5aTzgo1ypTVPD67P9AhhJXB6pD7tYsW4C84GQfeVfmwNqMWEPeAI3gR0jvH01soV4o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=eVSuPEoc; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eVSuPEoc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1766457163; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oW1QGOLNSp02co7nCAtcdM24JErkYO2/wmSB0f1BR7o=; b=eVSuPEocr+8HAo0vGuSUjzSrAtOcexRJturOatLXauQfVz6EeKlycfpzQGX1cazJYB4R8H xqFmpW3iUzE6c/QKjAxmiA/wXyj70qQVPLgqMzjcwF/DE3qBIJQqX0YVQO3MIwV1FdGg3W g3F2Ucl2fLyymNbizWrYii75Q77zT34= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-664-dn3UrxMxOnSRW7QwxoXHFw-1; Mon, 22 Dec 2025 21:32:39 -0500 X-MC-Unique: dn3UrxMxOnSRW7QwxoXHFw-1 X-Mimecast-MFC-AGG-ID: dn3UrxMxOnSRW7QwxoXHFw_1766457158 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A7E171800633; Tue, 23 Dec 2025 02:32:38 +0000 (UTC) Received: from fedora (unknown [10.72.116.97]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id CD412180045B; Tue, 23 Dec 2025 02:32:34 +0000 (UTC) Date: Tue, 23 Dec 2025 10:32:29 +0800 From: Ming Lei To: Caleb Sander Mateos Cc: Jens Axboe , linux-block@vger.kernel.org, Uday Shankar , Yoav Cohen , stable@vger.kernel.org Subject: Re: [PATCH 1/2] ublk: add UBLK_F_NO_AUTO_PART_SCAN feature flag Message-ID: References: <20251220095322.1527664-1-ming.lei@redhat.com> <20251220095322.1527664-2-ming.lei@redhat.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 On Mon, Dec 22, 2025 at 12:11:03PM -0500, Caleb Sander Mateos wrote: > On Sat, Dec 20, 2025 at 4:53 AM Ming Lei wrote: > > > > Add a new feature flag UBLK_F_NO_AUTO_PART_SCAN to allow users to suppress > > automatic partition scanning when starting a ublk device. > > Is this approach superseded by your patch series "ublk: scan partition > in async way", or are you expecting both to coexist? This one probably is useful too, but it should belong to v6.20 because "ublk: scan partition in async way" can fix the issue now, and backport to stable isn't needed any more. Thanks, Ming