DESCRIPTION
 Calls used to set or query file systems for settings or information.  File systems that do not implement a VFS operation should use the appropriate  vfs_std function from  src/sys/kern/vfs_default.c rather than implementing empty functions or casting to  eopnotsupp.   
SEE ALSO
 VFS_CHECKEXP(9), VFS_FHTOVP(9), VFS_INIT(9), VFS_MOUNT(9), VFS_QUOTACTL(9), VFS_STATFS(9), VFS_SYNC(9), VFS_UNMOUNT(9), VFS_VGET(9), VFS_VPTOFH(9), vnode(9)  
AUTHORS