From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 4C2963904D0 for ; Wed, 14 Jan 2026 12:21:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393292; cv=none; b=XCNz3y8j/Lkup5evKWkMvmQ9iPwYDRDomyOwZlSCD6ct3k/7Fir9NX44VdZBSEKpQghJOdC+By12VHSJ4e3rHmoS+pSUVLtDax0MIyIDzIWoZohdVNn3MuxjD5elDwc3EVdebiHWm7AsQxHNa0eSGSmQ6EX8wpX6NxvOvIJnMck= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768393292; c=relaxed/simple; bh=U8vCaKMV8v0Mww1r8kq9lCPE+Pjr3hP1s/n3Iw+dGP0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=m/UOfwwnO7GP2BXaDBNeJ9ixd2/SMqfsOxpxua+L6vON8wGAvyQ2cAbYhCZq5geoQwM0afv6dcTTR/fX3wVWZRpPwPZiGRLo3iELd//Fs61jPlFjBbiYd6h7oAR/3p1UZnwCjddjQvNysYh6qrIadtJBEltpXfQw4C6TTle3RuQ= 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=C4Ldngz4; arc=none smtp.client-ip=170.10.129.124 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="C4Ldngz4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1768393290; 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: in-reply-to:in-reply-to:references:references; bh=9Z5TEtZfOBG2rNi5eF6KtCQy571ueLem0EOVKDD00bE=; b=C4Ldngz4HEuf9RYYg7K0IZyZTOo0xPMIrIvJM0OncvwIArrYgrRWHnnc1BP1PaLAQeSZBC ZDtivKA/aBjqjZOqsXtIyWG89FLNzxWTkX0wr5ymAX3mN1iePm+VSvg3N8UHZnG+EhuKtR BhCLRteJXbjLDrz6S4iIaYjXDCPLbqk= 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-547-xkIa7iKbMVGOtxgKaCIrPw-1; Wed, 14 Jan 2026 07:21:17 -0500 X-MC-Unique: xkIa7iKbMVGOtxgKaCIrPw-1 X-Mimecast-MFC-AGG-ID: xkIa7iKbMVGOtxgKaCIrPw_1768393276 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 AF1E7180034F; Wed, 14 Jan 2026 12:21:15 +0000 (UTC) Received: from aion.redhat.com (unknown [10.22.64.190]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8AAC41956048; Wed, 14 Jan 2026 12:21:15 +0000 (UTC) Received: by aion.redhat.com (Postfix, from userid 1000) id 3637E5B6EB6; Wed, 14 Jan 2026 07:21:14 -0500 (EST) Date: Wed, 14 Jan 2026 07:21:14 -0500 From: Scott Mayhew To: Christoph Hellwig Cc: Salvatore Bonaccorso , linux-nfs@vger.kernel.org, Steve Dickson Subject: Re: [nfs-utils] "blkmapd open pipe file /run/rpc_pipefs/nfs/blocklayout failed" and handling of nfs-blkmap.service service Message-ID: References: <176814099134.689475.12160936392296863650@eldamar.lan> Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 On Tue, 13 Jan 2026, Christoph Hellwig wrote: > On Sun, Jan 11, 2026 at 03:17:24PM +0100, Salvatore Bonaccorso wrote: > > For Debian purposes at least I would like to make things bit less > > irritating for users, keep ideally the service enabled by default, so > > that administraors whant to make use of pNFS setup with the > > blocklayout layout protocol, they just need to make the module load. > > The original blocklayout is deprecated because there is almost no > way to use it safely. So I'd argue for not enabling blkmapd by > default, and maybe even splitting it into a separate binary package. > > Note that none of this affects the revised scsi/nvme layouts that are > safe to use, and don't require blkmapd. > Right, on both Fedora and RHEL nfs-blkmap.service is disabled by default (via /usr/lib/systemd/system-preset/99-default-disable.preset) because we support SCSI layout but not block layout. I could have sworn I've floated the idea of dropping blkmapd from the Red Hat packages altogether, but I can't find anything in Bugzilla or Jira.