From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (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 lists.proxmox.com (Postfix) with ESMTPS id 8F0D162D48 for ; Fri, 18 Sep 2020 14:17:13 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 7B5B215F01 for ; Fri, 18 Sep 2020 14:16:43 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [212.186.127.180]) (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 firstgate.proxmox.com (Proxmox) with ESMTPS id 528FD15EF6 for ; Fri, 18 Sep 2020 14:16:42 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 1D3F245432 for ; Fri, 18 Sep 2020 14:16:42 +0200 (CEST) From: Stoiko Ivanov To: pve-devel@lists.proxmox.com Date: Fri, 18 Sep 2020 14:16:21 +0200 Message-Id: <20200918121621.24584-1-s.ivanov@proxmox.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.019 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [lxc.pm] Subject: [pve-devel] [PATCH container v2] sync_container_namespace: skip virtual filesystems X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Sep 2020 12:17:13 -0000 skip additional virtual filesystems. the list is taken from a running debian container's /proc/mounts Signed-off-by: Stoiko Ivanov --- v1 -> v2: * changed the non-anchored unwieldy regex to a hash based on Thomas' suggestion - Thanks! src/PVE/LXC.pm | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm index b3e3581..9c150d9 100644 --- a/src/PVE/LXC.pm +++ b/src/PVE/LXC.pm @@ -1103,11 +1103,24 @@ my $do_syncfs = sub { my $mountdata = do { local $/ = undef; <$socket> }; close $socket; + my %nosyncfs = ( + cgroup => 1, + cgroup2 => 1, + devtmpfs => 1, + devpts => 1, + 'fuse.lxcfs' => 1, + fusectl => 1, + mqueue => 1, + proc => 1, + sysfs => 1, + tmpfs => 1, + ); + # Now sync all mountpoints... my $mounts = PVE::ProcFSTools::parse_mounts($mountdata); foreach my $mp (@$mounts) { my ($what, $dir, $fs) = @$mp; - next if $fs eq 'fuse.lxcfs'; + next if $nosyncfs{$fs}; eval { PVE::Tools::sync_mountpoint($dir); }; warn $@ if $@; } -- 2.20.1