From 2e7365518acdb8fb6e9be332c8a6c57b457188d9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Szymanski?= Date: Fri, 22 Mar 2019 09:33:52 +0100 Subject: fs: ext4: do not write on filesystem with metadata_csum feature MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit U-Boot doesn't support metadata_csum feature. Writing to filesystem with metadata_csum feature makes the filesystem corrupted and unbootable by Linux: [ 2.527495] EXT4-fs (mmcblk0p2): ext4_check_descriptors: Checksum for group 0 failed (52188!=0) [ 2.537421] EXT4-fs (mmcblk0p2): ext4_check_descriptors: Checksum for group 1 failed (5262!=0) ... [ 2.653308] EXT4-fs (mmcblk0p2): ext4_check_descriptors: Checksum for group 14 failed (42611!=0) [ 2.662179] EXT4-fs (mmcblk0p2): ext4_check_descriptors: Checksum for group 15 failed (21527!=0) [ 2.687920] JBD2: journal checksum error [ 2.691982] EXT4-fs (mmcblk0p2): error loading journal [ 2.698292] VFS: Cannot open root device "mmcblk0p2" or unknown-block(179,2): error -74 Don't write to filesystem with meatadata_csum feature to not corrupt the filesystem. Signed-off-by: Sébastien Szymanski --- include/ext4fs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/ext4fs.h') diff --git a/include/ext4fs.h b/include/ext4fs.h index bb55639..2421011 100644 --- a/include/ext4fs.h +++ b/include/ext4fs.h @@ -32,6 +32,7 @@ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ #define EXT4_EXT_MAGIC 0xf30a #define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 +#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400 #define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 #define EXT4_INDIRECT_BLOCKS 12 -- cgit v1.1