Unable to mount disk to directory [closed]

I'm getting this error while mounting disk to directory. Please let me know what should I do ?

[root@ip-172-31-39-36 ec2-user]# lsblk
NAME    MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
xvda    202:0    0    8G  0 disk
└─xvda1 202:1    0    8G  0 part /
xvdf    202:80   0  100G  0 disk
[root@ip-172-31-39-36 ec2-user]# mkdir filesystem
[root@ip-172-31-39-36 ec2-user]# mount /dev/xvdf /filesystem
mount: mount point /filesystem does not exist
[root@ip-172-31-39-36 ec2-user]# ls
filesystem  
[root@ip-172-31-39-36 ec2-user]# mount /dev/xvdf /filesystem
mount: mount point /filesystem does not exist