#define ANY_BLOCK ((blk64_t) -1)
-int dump_all, dump_contents, dump_descriptors;
-blk64_t block_to_dump, bitmap_to_dump, inode_block_to_dump;
-unsigned int group_to_dump, inode_offset_to_dump;
-ext2_ino_t inode_to_dump;
+static int dump_all, dump_contents, dump_descriptors;
+static blk64_t block_to_dump, bitmap_to_dump, inode_block_to_dump;
+static unsigned int group_to_dump, inode_offset_to_dump;
+static ext2_ino_t inode_to_dump;
struct journal_source
{