--- zzzz-none-000/linux-3.10.107/fs/bfs/bfs.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/bfs/bfs.h	2021-02-04 17:41:59.000000000 +0000
@@ -46,6 +46,7 @@
 
 /* inode.c */
 extern struct inode *bfs_iget(struct super_block *sb, unsigned long ino);
+extern void bfs_dump_imap(const char *, struct super_block *);
 
 /* file.c */
 extern const struct inode_operations bfs_file_inops;