Message ID | a14a79f47c226a8eba56e26a35d7698e49ed3df9.1499724881.git.yann.morin.1998@free.fr |
---|---|
State | Rejected |
Headers | show
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[2a01:cb08:8610:7300:fcb5:df1:36d:f842]) by smtp.gmail.com with ESMTPSA id d91sm11321852wma.7.2017.07.10.15.14.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Jul 2017 15:14:56 -0700 (PDT) From: "Yann E. MORIN" <yann.morin.1998@free.fr> To: buildroot@buildroot.org Date: Tue, 11 Jul 2017 00:14:52 +0200 Message-Id: <a14a79f47c226a8eba56e26a35d7698e49ed3df9.1499724881.git.yann.morin.1998@free.fr> X-Mailer: git-send-email 2.11.0 In-Reply-To: <cover.1499724881.git.yann.morin.1998@free.fr> References: <cover.1499724881.git.yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, "Yann E. MORIN" <yann.morin.1998@free.fr> Subject: [Buildroot] [PATCH 2/3 v2] fs/squashfs: align size to 256KiB X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion and development of buildroot <buildroot.busybox.net> List-Unsubscribe: <http://lists.busybox.net/mailman/options/buildroot>, <mailto:buildroot-request@busybox.net?subject=unsubscribe> List-Archive: <http://lists.busybox.net/pipermail/buildroot/> List-Post: <mailto:buildroot@busybox.net> List-Help: <mailto:buildroot-request@busybox.net?subject=help> List-Subscribe: <http://lists.busybox.net/mailman/listinfo/buildroot>, <mailto:buildroot-request@busybox.net?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" <buildroot-bounces@busybox.net> |
diff --git a/fs/squashfs/squashfs.mk b/fs/squashfs/squashfs.mk index 342c7a8a37..bf697acb3d 100644 --- a/fs/squashfs/squashfs.mk +++ b/fs/squashfs/squashfs.mk @@ -18,9 +18,12 @@ else ROOTFS_SQUASHFS_ARGS += -comp gzip endif +# Experimental evidence shows that a squashfs image size must be +# a multiple of 256KiB. define ROOTFS_SQUASHFS_CMD $(HOST_DIR)/bin/mksquashfs $(TARGET_DIR) $@ -noappend \ $(ROOTFS_SQUASHFS_ARGS) + truncate -s %256k $@ endef $(eval $(call ROOTFS_TARGET,squashfs))
By experimental evidence, the Linux kernel will refuse to mount a squashfs image/partition that is not padded to a 256kiB boundary. We already have a similar workaround in the testing infrastructure, in support/testing/tests/fs/test_squashfs.py@26. Use that workaround directly during the squashfs generation. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> --- Changes v1 -> v2: - drop the requirements to just 256KiB --- fs/squashfs/squashfs.mk | 3 +++ 1 file changed, 3 insertions(+)