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[2607:f8b0:4864:20::832]) by gmr-mx.google.com with ESMTPS id q82-20020a257555000000b006ddea715dd2si949827ybc.0.2022.12.13.08.46.00 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Dec 2022 08:46:00 -0800 (PST) Received-SPF: pass (google.com: domain of roberto.foglietta@gmail.com designates 2607:f8b0:4864:20::832 as permitted sender) client-ip=2607:f8b0:4864:20::832; Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=nMabml8Z; spf=pass (google.com: domain of roberto.foglietta@gmail.com designates 2607:f8b0:4864:20::832 as permitted sender) smtp.mailfrom=roberto.foglietta@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: by mail-qt1-x832.google.com with SMTP id g7so328665qts.1 for ; Tue, 13 Dec 2022 08:46:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=wRx59tY3HudLMYWB31rY9oklWkiDt92EQiZd0mR2AcA=; b=nMabml8ZAt4AGqmo964HRxo4kUoof+92UCakm324fU4Hy0Pr3bx2hNg2dDh4Z9f4xV 3/4JSDcDLx/3yiGg14f067LYgTTD0feynI/DNOrKPUZe9q98ktpY+gY1lBA92Brp4yoD bXv4SBbt1Gkq9IgoRTM4YhSof/IsONLIqKdQMOgcMhaygrBC+AjPeLdYiDr3zG9f9Pry 8lEqEIcMpYFUc3p2gbdrt1sHw+23FPqUbbqsxBMCfoH692w99zVE/Hrgw/i4IitD+laX gB29koWMD5eMYjbF9bCLAY4nRvBwnlJRuuRz7w6lH/1ZKxx2nTLacD1ZwTaR2tUheIGH dNpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=wRx59tY3HudLMYWB31rY9oklWkiDt92EQiZd0mR2AcA=; b=A/aS/GKfZfu/cKOW2WliSYT2qXjLrjI7swtcZ9O1PrPrDhqhaPQcT68AvNCl0WlYaT cGNZggwebEJMX7D0s7nUBBMX2SJFLkAC4necpAZdCXoePKzLRCIuS6Wwa+vxB8vv4AsY YltAJhlKvfmf7wGnRnrl/Q1JLcnjlHJ1XpPS4QplWd1Tf7vXZYBX465BRaYRbR8hFOOw tRRdcKq34L1ZuOVQbHtjIUgAz7gcwZUGI+BCAlfixmvqvbZw8E1sYsoRWd1eBxD9Ui9Q F3ZuPQsNJgdBtT6fXRvUYPAWr5tksH2BWespFvVUJMTSeTG1KqzvH9v3NpNgAeEcSQR7 uZqA== X-Gm-Message-State: ANoB5pmhInAdLdqSRuRcFk1SWiErU1fAJWoxbcpc0gTFTy9My9pauqvn HvfX6mpEPWfoR/HNdb2zDjkjpu/ojswrTrFHjcLlzirtW2VA X-Received: by 2002:a05:622a:4d96:b0:3a6:8ddd:5095 with SMTP id ff22-20020a05622a4d9600b003a68ddd5095mr11139434qtb.145.1670949959809; Tue, 13 Dec 2022 08:45:59 -0800 (PST) MIME-Version: 1.0 References: <20221213101509.535-1-henning.schild@siemens.com> <20221213101509.535-2-henning.schild@siemens.com> In-Reply-To: <20221213101509.535-2-henning.schild@siemens.com> From: "Roberto A. Foglietta" Date: Tue, 13 Dec 2022 17:45:23 +0100 Message-ID: Subject: Re: [PATCH v4 1/5] expand-on-first-boot: support resizing a btrfs To: henning.schild@siemens.com Cc: isar-users@googlegroups.com, felix.moessbauer@siemens.com, Joe MacDonald Content-Type: text/plain; charset="UTF-8" X-TUID: AvOkoZ7JJBV9 On Tue, 13 Dec 2022 at 11:15, wrote: > > +MOUNT_POINT=$(mktemp -d -p "" "$(basename "$0").XXXXXXXXXX") this uses /tmp which could not be available debraf@debraf:~$ sudo find / -name expand-last-partition.sh /usr/share/expand-on-first-boot/expand-last-partition.sh debraf@debraf:~$ mktemp -d -p "" "expand-last-partition.sh.XXXXXXXXXX" /tmp/expand-last-partition.sh.K9OhJ5KxIF my suggestion is to use /dev/shm which usually is configured into the kernel or at least try also /dev/shm if the use of /tmp fails. == FELIX == One problem remains: Where to mount. If we mount on /mnt this will not work on an RO rootfs out of the box. We currently have this issue in CIP core. We could mount below /tmp which should be writable, but I don't know which side effects this as the tmpfs itself will be mounted / created by systemd. == == Best regards, R-