public inbox for pve-devel@lists.proxmox.com
 help / color / mirror / Atom feed
From: Fabian Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH v2 guest-common 4/8] create nolock variant for switch_replication_job_target
Date: Thu, 29 Oct 2020 14:31:28 +0100	[thread overview]
Message-ID: <20201029133132.28100-5-f.ebner@proxmox.com> (raw)
In-Reply-To: <20201029133132.28100-1-f.ebner@proxmox.com>

so that it can be used within job_status

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---

Changes from v1:
    * this was part of the following patch

 PVE/ReplicationConfig.pm | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/PVE/ReplicationConfig.pm b/PVE/ReplicationConfig.pm
index 9dfb9da..6ba87ae 100644
--- a/PVE/ReplicationConfig.pm
+++ b/PVE/ReplicationConfig.pm
@@ -230,21 +230,26 @@ sub find_local_replication_job {
 
 # makes old_target the new source for all local jobs of this guest
 # makes new_target the target for the single local job with target old_target
+sub switch_replication_job_target_nolock {
+    my ($cfg, $vmid, $old_target, $new_target) = @_;
+
+    foreach my $jobcfg (values %{$cfg->{ids}}) {
+	next if $jobcfg->{guest} ne $vmid;
+	next if $jobcfg->{type} ne 'local';
+
+	$jobcfg->{target} = $new_target if $jobcfg->{target} eq $old_target;
+	$jobcfg->{source} = $old_target;
+    }
+    $cfg->write();
+}
+
 sub switch_replication_job_target {
     my ($vmid, $old_target, $new_target) = @_;
 
     my $update_jobs = sub {
 	my $cfg = PVE::ReplicationConfig->new();
-	foreach my $jobcfg (values %{$cfg->{ids}}) {
-	    next if $jobcfg->{guest} ne $vmid;
-	    next if $jobcfg->{type} ne 'local';
-
-	    $jobcfg->{target} = $new_target if $jobcfg->{target} eq $old_target;
-	    $jobcfg->{source} = $old_target;
-	}
-	$cfg->write();
+	$cfg->switch_replication_job_target_nolock($vmid, $old_target, $new_target);
     };
-
     lock($update_jobs);
 }
 
-- 
2.20.1





  parent reply	other threads:[~2020-10-29 13:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 13:31 [pve-devel] [PATCH-SERIES v2] some replication-related improvements Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH v2 guest-common 1/8] job_status: read only after acquiring the lock Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH v2 guest-common 2/8] clarify what the source property is used for in a replication job Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH v2 guest-common 3/8] also update sources in switch_replication_job_target Fabian Ebner
2020-10-29 13:31 ` Fabian Ebner [this message]
2020-10-29 13:31 ` [pve-devel] [PATCH v2 guest-common 5/8] job_status: simplify fixup of jobs for stolen guests Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH v2 qemu-server 6/8] Repeat check for replication target in locked section Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH v2 qemu-server 7/8] fix checks for transfering replication state/switching job target Fabian Ebner
2020-10-29 13:31 ` [pve-devel] [PATCH/RFC v2 qemu-server 8/8] don't migrate replicated VM whose replication job is marked for removal Fabian Ebner
2020-11-09  9:48 ` [pve-devel] applied-series: [PATCH-SERIES v2] some replication-related improvements Fabian Grünbichler

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201029133132.28100-5-f.ebner@proxmox.com \
    --to=f.ebner@proxmox.com \
    --cc=pve-devel@lists.proxmox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Service provided by Proxmox Server Solutions GmbH | Privacy | Legal