From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id 46B0A1FF166 for ; Fri, 8 Nov 2024 10:33:35 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 1BA9AA359; Fri, 8 Nov 2024 10:33:33 +0100 (CET) From: Dominik Csapak To: pve-devel@lists.proxmox.com Date: Fri, 8 Nov 2024 10:32:58 +0100 Message-Id: <20241108093300.1023657-2-d.csapak@proxmox.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241108093300.1023657-1-d.csapak@proxmox.com> References: <20241108093300.1023657-1-d.csapak@proxmox.com> MIME-Version: 1.0 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.016 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy 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 Subject: [pve-devel] [PATCH common v2 1/2] sysfstools: file_write: extend with logging and ignore list 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: , Reply-To: Proxmox VE development discussion Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" the actual error and path is useful to know when trying to debug or figure out what did not work, so warn here if there was an error. Also takes now an optional error list that can be ignored. If encountering such an error, returns success instead of failure. Signed-off-by: Dominik Csapak --- src/PVE/SysFSTools.pm | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/src/PVE/SysFSTools.pm b/src/PVE/SysFSTools.pm index 0bde6d7..156fee6 100644 --- a/src/PVE/SysFSTools.pm +++ b/src/PVE/SysFSTools.pm @@ -211,17 +211,31 @@ sub check_iommu_support{ return PVE::Tools::dir_glob_regex('/sys/class/iommu/', "[^\.].*"); } +# writes $buf into $filename +# returns success when encountering an error from the given $ignore_list, e.g. EEXIST sub file_write { - my ($filename, $buf) = @_; + my ($filename, $buf, $ignore_list) = @_; my $fh = IO::File->new($filename, "w"); return undef if !$fh; - my $res = defined(syswrite($fh, $buf)) ? 1 : 0; - + my $res = syswrite($fh, $buf); $fh->close(); - return $res; + if (defined($res)) { + return 1; + } elsif (my $err = $!) { + if (defined($ignore_list)) { + for my $to_ignore ($ignore_list->@*) { + if ($err == $to_ignore) { + return 1; + } + } + } + warn "error writing '$buf' to '$filename': $err\n"; + } + + return 0; } sub pci_device_info { -- 2.39.5 _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel