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authorSébastien Szymanski <sebastien.szymanski@armadeus.com>2019-03-22 09:33:52 +0100
committerTom Rini <trini@konsulko.com>2019-03-22 12:15:24 -0400
commit2e7365518acdb8fb6e9be332c8a6c57b457188d9 (patch)
tree5951f299b8b05cb6011deb8522a8b883a5d260e2 /include/ext4fs.h
parent50580a0e7053599abdaa467cb43cff0c66564369 (diff)
fs: ext4: do not write on filesystem with metadata_csum feature
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 <sebastien.szymanski@armadeus.com>
Diffstat (limited to 'include/ext4fs.h')
-rw-r--r--include/ext4fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/ext4fs.h b/include/ext4fs.h
index bb55639107..2421011341 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