EXT4_EXTENT_MAGIC 827 uspace/lib/ext4/src/extent.c ext4_extent_header_set_magic(path_ptr->header, EXT4_EXTENT_MAGIC); EXT4_EXTENT_MAGIC 1285 uspace/lib/ext4/src/filesystem.c ext4_extent_header_set_magic(header, EXT4_EXTENT_MAGIC);HelenOS homepage, sources at GitHub