... In Linux, all files are accessed through the Virtual Filesystem Switch, or VFS. ... VFS . ... inode.c . ... The inode _operations structure looks like this (defined, like most everything we are looking at, in linux /fs.h ): struct inode _operations { struct file _operations * default_ file _ops; int (*create) ( struct inode *,const char *, int , int , struct inode **); int (*lookup) ( struct inode *,const char *, int , struct inode **); int (*link) ( struct ...