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Date: Thu, 15 Oct 2020 07:25:14 +0200 (CEST)
From: Dietmar Maurer <dietmar@proxmox.com>
To: Proxmox Backup Server development discussion <pbs-devel@lists.proxmox.com>, 
 Stefan Reiter <s.reiter@proxmox.com>
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Subject: Re: [pbs-devel] [PATCH proxmox-backup 08/11] datastore: add
 manifest locking
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AFAIR flock with atomically replaced files has problems/races.

Unfortunately, I do not remember why. Somebody remember why? Or is it really safe?