vfs_mount_foreach_vnode
vfs_mount_foreach_vnode(mp, vflush_vnode, &va);
vfs_mount_foreach_vnode(mp, msdosfs_sync_vnode, &msa);
int vfs_mount_foreach_vnode(struct mount *, int (*func)(struct vnode *,
error = vfs_mount_foreach_vnode(mountp, ext2fs_reload_vnode, &era);
vfs_mount_foreach_vnode(mp, ext2fs_sync_vnode, &esa);
vfs_mount_foreach_vnode(mp, ffs_sync_vnode, &fsa);
error = vfs_mount_foreach_vnode(mountp, ffs_reload_vnode, &fra);
error = vfs_mount_foreach_vnode(mp, quotaon_vnode, NULL);
vfs_mount_foreach_vnode(mp, quotaoff_vnode, &qa);
vfs_mount_foreach_vnode(mp, qsync_vnode, NULL);