From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp1 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id cJGLHczuS18hGgAA0tVLHw (envelope-from ) for ; Sun, 30 Aug 2020 18:24:12 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp1 with LMTPS id iOYsGczuS19LWgAAbx9fmQ (envelope-from ) for ; Sun, 30 Aug 2020 18:24:12 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id D416A94050F for ; Sun, 30 Aug 2020 18:24:11 +0000 (UTC) Received: from localhost ([::1]:58732 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kCRzt-0005B9-4U for larch@yhetil.org; Sun, 30 Aug 2020 14:24:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55258) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kCRzm-0005Ay-F1 for bug-guix@gnu.org; Sun, 30 Aug 2020 14:24:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:39177) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kCRzm-0006xw-65 for bug-guix@gnu.org; Sun, 30 Aug 2020 14:24:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kCRzm-0001Py-1l for bug-guix@gnu.org; Sun, 30 Aug 2020 14:24:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#43062: --expose in vm does not reflect file modifications in guest Resent-From: Christopher Baines Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sun, 30 Aug 2020 18:24:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 43062 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Received: via spool by 43062-submit@debbugs.gnu.org id=B43062.15988118365439 (code B ref 43062); Sun, 30 Aug 2020 18:24:02 +0000 Received: (at 43062) by debbugs.gnu.org; 30 Aug 2020 18:23:56 +0000 Received: from localhost ([127.0.0.1]:50723 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kCRzg-0001Pf-8A for submit@debbugs.gnu.org; Sun, 30 Aug 2020 14:23:56 -0400 Received: from mira.cbaines.net ([212.71.252.8]:45444) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kCRzf-0001PY-Bd for 43062@debbugs.gnu.org; Sun, 30 Aug 2020 14:23:55 -0400 Received: from localhost (unknown [46.237.160.133]) by mira.cbaines.net (Postfix) with ESMTPSA id DAA6427BBE5; Sun, 30 Aug 2020 19:23:53 +0100 (BST) Received: from localhost (localhost [local]) by localhost (OpenSMTPD) with ESMTPA id 506280be; Sun, 30 Aug 2020 18:23:51 +0000 (UTC) References: <3150ZD6Q06IY5.2LQMQ0E8MMOHQ@wilsonb.com> <87wo1ioo6p.fsf@gnu.org> User-agent: mu4e 1.4.13; emacs 26.3 From: Christopher Baines In-reply-to: <87wo1ioo6p.fsf@gnu.org> Date: Sun, 30 Aug 2020 19:23:48 +0100 Message-ID: <878sdwvvpn.fsf@cbaines.net> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.0 (-) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: elaexuotee@wilsonb.com, 43062@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Spam-Score: -1.61 X-TUID: 6SCuyU8IMxDk --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Ludovic Court=C3=A8s writes: > Hi, > > elaexuotee--- via Bug reports for GNU Guix skribis: > >> When using --expose to mirror a path between host and guest, the guest m= irror >> fails to reflect file modifications from the host. However, file creatio= n and >> deletion are correctly propogated. >> >> To pick up file modifications in the guest, it is sufficient to remount >> mirroring 9p filesystem. >> >> Is this behaviour expected? > > I believe this comes from the =E2=80=9Ccache=3Dloose=E2=80=9D 9p mount op= tion added in > commit e0d96774dd48c29ccc4c90fea1f8f71850ab0879. > > Does the patch below help? > > Chris, what do you think? How would this affect the performance issues > that led to e0d96774dd48c29ccc4c90fea1f8f71850ab0879? Caching only for readonly filesystems sounds fine, I think I was only thinking about the store for e0d96774dd48c29ccc4c90fea1f8f71850ab0879. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEEPonu50WOcg2XVOCyXiijOwuE9XcFAl9L7rRfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDNF ODlFRUU3NDU4RTcyMEQ5NzU0RTBCMjVFMjhBMzNCMEI4NEY1NzcACgkQXiijOwuE 9Xeoqg/9HXT999EOwLBVoODWm3FDzWkGSe+KNQ8v9abIcacFumL3OoNCAyRwI1c+ f1IVRWSLFTQGtZYxuasX6t0pBiE3VV8cYPl5WwbApAzToG1Ls9ubhe5Fw2YAGSsz I4Hs0qtvCnylJzn37zp8+c9SzlgT6iHBT7ChgfWxLkzL4Km+bJC3mdwaN1AfbcHm kO8BwJvU8COrhA7twonpYuiGvm94hIgbEjEtboEFl+XnCD527+6683S8kTl3pc6p ZjT6+UzVfQnxlEybCV6+M/qnYNSviSX13uwo1qO1c7nOnVNcaqHfF4BeXhopeiBP JaRInHyA3+NcJjY5aXLvf+T3LDmtwNWVfWcRyHn0QbhWpripd3jR1EQ3Sc3JI2uR wQRxyPZa9RSEbmP9fE4DtdzOH8SmGZQN9QgWFXuAfhNzRCpkaOrbwWR/BMrkodkB X+asXCiUNyaNbi/YC9lQoKUk0y9+M0kfHGkGGjvM+b3mkXfmGHkvdPluw6da/8BJ 5LnuOKXPw8fqYdJnkCMIW3PHtgl0dhZCPPAikyhoNPy1SF8+632CsJYDKxtSWa/9 baEf5lRDwCE75NnGOPiPXINGSZBDl+4yYcwEuaSVomt6W38QVoFgOj7RbozM9MZY WDSwl7mE3ks3DjCDkDsK8BiSHgNAd31m6VTOpX6aecx7XqBqHJw= =sd2w -----END PGP SIGNATURE----- --=-=-=--