From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lf0-x229.google.com ([2a00:1450:4010:c07::229]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cpwXb-0002pl-1r for barebox@lists.infradead.org; Mon, 20 Mar 2017 12:36:05 +0000 Received: by mail-lf0-x229.google.com with SMTP id y193so54682695lfd.3 for ; Mon, 20 Mar 2017 05:35:40 -0700 (PDT) From: Antony Pavlov Date: Mon, 20 Mar 2017 15:35:25 +0300 Message-Id: <20170320123532.24059-1-antonynpavlov@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 0/7] fix ext4 support for volumes greater than 4 GiB To: barebox@lists.infradead.org At the moment barebox can't correctly handle ext4 filesystem volume greater than 4 GiB. This patchseries fixes the problem by adaption of U-Boot commits. How to reproduce the problem: $ git clone https://git.pengutronix.de/git/barebox $ cd barebox barebox$ dd if=/dev/zero bs=128M count=40 of=5G.img barebox$ /sbin/mkfs.ext4 -F 5G.img barebox$ mkdir mnt barebox$ sudo mount 5G.img mnt/ barebox$ sudo mkdir mnt/testdir barebox$ sudo touch mnt/testdir/testfile barebox$ ls mnt/testdir/testfile -l -rw-r--r-- 1 root root 0 Mar 20 14:53 mnt/testdir/testfile barebox$ sudo umount mnt/ barebox$ make sandbox_defconfig ... barebox$ make -j3 -s ... barebox$ ./barebox -i 5G.img ... barebox@barebox sandbox:/ mount /dev/fd0 /mnt/ ext4 ext40: EXT2 rev 1, inode_size 256 barebox@barebox sandbox:/ ls /mnt/testdir/testfile ls: /mnt/testdir/testfile: No such file or directory barebox@barebox sandbox:/ ls /mnt/ -l drwxrwxrwx 0 . drwxrwxrwx 0 .. drwx------ 16384 lost+found ?--------- 0 testdir On the other hand there is no problem with volumes less than 4 GiB: barebox$ dd if=/dev/zero bs=128M count=24 of=3G.img barebox$ /sbin/mkfs.ext4 -F 3G.img barebox$ sudo mount 3G.img mnt/ barebox$ sudo mkdir mnt/testdir barebox$ sudo touch mnt/testdir/testfile barebox$ ls mnt/testdir/testfile -l -rw-r--r-- 1 root root 0 Mar 20 15:05 mnt/testdir/testfile barebox$ sudo umount mnt/ barebox$ ./barebox -i 3G.img ... barebox@barebox sandbox:/ mount /dev/fd0 /mnt/ ext4 ext40: EXT2 rev 1, inode_size 256 barebox@barebox sandbox:/ ls /mnt/testdir/testfile /mnt/testdir/testfile barebox@barebox sandbox:/ ls /mnt/ -l drwxrwxrwx 0 . drwxrwxrwx 0 .. drwx------ 16384 lost+found drwxr-xr-x 4096 testdir Antony Pavlov (7): ext4: change structure fields to __le/__be types ext4: use kernel names for byte swaps ext4: drop unused and misdefined INODE_SIZE_FILESYSTEM macro ext4: fix wrong usage of le32_to_cpu() ext4: Update ext2/3/4 superblock, group descriptor and inode structures ext4: determine group descriptor size for 64bit feature ext4: Use correct descriptor size when reading the block group descriptor fs/ext4/ext4_common.c | 83 +++++++++++++---------- fs/ext4/ext4fs.c | 2 +- fs/ext4/ext4fs.h | 3 + fs/ext4/ext_barebox.c | 10 +-- fs/ext4/ext_common.h | 184 ++++++++++++++++++++++++++++++-------------------- 5 files changed, 168 insertions(+), 114 deletions(-) -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox