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-rw-r--r--fs/ext4/ext4_write.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
index a7f543f..4eb77c3 100644
--- a/fs/ext4/ext4_write.c
+++ b/fs/ext4/ext4_write.c
@@ -864,6 +864,12 @@ int ext4fs_write(const char *fname, unsigned char *buffer,
printf("error in File System init\n");
return -1;
}
+
+ if (le32_to_cpu(fs->sb->feature_ro_compat) & EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
+ printf("Unsupported feature metadata_csum found, not writing.\n");
+ return -1;
+ }
+
inodes_per_block = fs->blksz / fs->inodesz;
parent_inodeno = ext4fs_get_parent_inode_num(fname, filename, F_FILE);
if (parent_inodeno == -1)