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NAME

     VFS_ROOT - return the root vnode of a file system

SYNOPSIS

     #include <sys/param.h>
     #include <sys/mount.h>
     #include <sys/vnode.h>

     int
     VFS_ROOT(struct mount *mp, int flags, struct vnode **vpp,
             struct thread *td);

DESCRIPTION

     Return a locked vnode for the root directory of the file system.

     Its arguments are:

     mp     The file system.

     flags  The lock type.  Could be LK_EXCLUSIVE or LK_SHARED.  File system
            is free to ignore the flags argument and instead acquire an
            exclusive lock.

     vpp    Return parameter for the root vnode.

     td     The calling thread.

SEE ALSO

     VFS(9), vnode(9)

AUTHORS

     This manual page was written by Doug Rabson.