From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751853AbcFXNkj (ORCPT ); Fri, 24 Jun 2016 09:40:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59304 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751557AbcFXNkh (ORCPT ); Fri, 24 Jun 2016 09:40:37 -0400 Subject: Re: [Nbd] [PATCH 1/2] nbd: make nbd device wait for its users To: Markus Pargmann , "Pranay Kr. Srivastava" References: <1466760574-1916-1-git-send-email-mpa@pengutronix.de> Cc: nbd-general@lists.sourceforge.net, Wouter Verhelst , linux-kernel@vger.kernel.org From: Eric Blake Openpgp: url=http://people.redhat.com/eblake/eblake.gpg Organization: Red Hat, Inc. Message-ID: <576D3852.1050209@redhat.com> Date: Fri, 24 Jun 2016 07:40:34 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1466760574-1916-1-git-send-email-mpa@pengutronix.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="JCoo1tqxc1t0XVMFUicuSw0GikXg7KSJw" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 24 Jun 2016 13:40:36 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --JCoo1tqxc1t0XVMFUicuSw0GikXg7KSJw Content-Type: multipart/mixed; boundary="kOI73Hcm6egrDImqWjGOAg4sd3j7PsodL" From: Eric Blake To: Markus Pargmann , "Pranay Kr. Srivastava" Cc: nbd-general@lists.sourceforge.net, Wouter Verhelst , linux-kernel@vger.kernel.org Message-ID: <576D3852.1050209@redhat.com> Subject: Re: [Nbd] [PATCH 1/2] nbd: make nbd device wait for its users References: <1466760574-1916-1-git-send-email-mpa@pengutronix.de> In-Reply-To: <1466760574-1916-1-git-send-email-mpa@pengutronix.de> --kOI73Hcm6egrDImqWjGOAg4sd3j7PsodL Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 06/24/2016 03:29 AM, Markus Pargmann wrote: > From: "Pranay Kr. Srivastava" >=20 > When a timeout occurs or a recv fails, then instead of abruplty killing= s/abruplty/abruptly/ > nbd block device wait for it's users to finish. s/it's/its/ (remember, "it's" is only usable where "it is" would also be appropriate) >=20 > This is more required when filesystem(s) like ext2 or ext3 don't expect= > their buffer heads to disappear while the filesystem is mounted. >=20 > Each open is counted. The blockdevice is kept open until the last user > closes the block device. This offers the possibility as well to open a > new socket to be used while the filesystems are mounted. >=20 > Signed-off-by: Pranay Kr. Srivastava >=20 > [mpa: Keep the blockdevice open until all users left] > Signed-off-by: Markus Pargmann --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --kOI73Hcm6egrDImqWjGOAg4sd3j7PsodL-- --JCoo1tqxc1t0XVMFUicuSw0GikXg7KSJw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJXbThSAAoJEKeha0olJ0NquR8H/Rkr1lOehZiU1Rd0CxvoE2+p Fh0MBK47ElE8yb7P6RIDxb+p4PNHanzUbv6FyCfT1tbdn1N5kkpoTduXWLATrOJB fPxHOS34xfX/yCNZObIkWqsAwVyjPmv8FWy9SX315QNAnAlSANu7sfp2695qMlM6 +ORNo0kFjFFvFi2lbkmG7QD66FTOzAx4hP1x9Q/5OxBcww6Ku0dBEwRq5R9yyot7 DfRVQ9mpLwMTZxvo3w6g+wTJqH1wAwclI0UDA8AGAr0heb1bXPv0EkytbpelPsAL wnj9uuKa1jI2QWnCEKhwd3dsYx2MTlX30E+5PUxF3PxPi82UXwCl7HyRwuGcfDs= =0zNW -----END PGP SIGNATURE----- --JCoo1tqxc1t0XVMFUicuSw0GikXg7KSJw--