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)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 0FA4A6B2FC for ; Fri, 18 Mar 2022 15:07:20 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 0595F1E824 for ; Fri, 18 Mar 2022 15:07:20 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 69F4B1E807 for ; Fri, 18 Mar 2022 15:07:19 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 3EBAA46F0A for ; Fri, 18 Mar 2022 15:07:19 +0100 (CET) From: Stefan Sterz To: pbs-devel@lists.proxmox.com Date: Fri, 18 Mar 2022 15:06:52 +0100 Message-Id: <20220318140655.170656-3-s.sterz@proxmox.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220318140655.170656-1-s.sterz@proxmox.com> References: <20220318140655.170656-1-s.sterz@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL -0.000 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record T_SCC_BODY_TEXT_LINE -0.01 - Subject: [pbs-devel] [RFC PATCH 2/5] fix #3935: datastore: add shared group lock to datastore X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Mar 2022 14:07:20 -0000 so far this has not been needed, added for completeness' sake Signed-off-by: Stefan Sterz --- pbs-datastore/src/datastore.rs | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/pbs-datastore/src/datastore.rs b/pbs-datastore/src/datastore.rs index 389ac298..c1304d1a 100644 --- a/pbs-datastore/src/datastore.rs +++ b/pbs-datastore/src/datastore.rs @@ -994,4 +994,14 @@ impl DataStore { "another backup is already running", ) } + + /// Acquire a shared lock on a group + #[allow(dead_code)] + pub fn lock_group_shared(&self, group: &BackupGroup) -> Result { + proxmox_sys::fs::lock_dir_noblock_shared( + &self.group_lock_path(group)?, + "backup group", + "another backup is already running", + ) + } } -- 2.30.2