vfs_unmountall — unmount all file systems

       The  vfs_unmountall  function,  run  only at system shutdown, unmounts all mounted file systems from most
       recent to oldest in order to avoid handling dependencies.

       vfs_unmountall — unmount all file systems

boot(9)

Debian                                            July 26, 2001                                VFS_UNMOUNTALL(9)

#include<sys/param.h>#include<sys/mount.h>voidvfs_unmountall(void);