# unbuffered read from a Samba mount
# mount options: (rw,relatime,vers=4.0,rsize=16384,wsize=16384,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.1.3,local_lock=none,addr=192.168.1.4)
dd if=mount_smb/128mb.test of=/dev/null oflag=dsync
262144+0 records in
262144+0 records out
134217728 bytes (134 MB) copied, 47.4315 s, 2.8 MB/s

# unbuffered read from a NFSv4 mount
# mount options: (rw,relatime,vers=1.0,sec=ntlm,cache=strict,unc=\\192.168.1.4\path,username=user,uid=0,noforceuid,gid=0,noforcegid,addr=192.168.1.4,unix,posixpaths,serverino,acl,rsize=1048576,wsize=65536,actimeo=1)
dd if=mount_nfs4/128mb.test of=/dev/null oflag=dsync
262144+0 records in
262144+0 records out
134217728 bytes (134 MB) copied, 51.8182 s, 2.6 MB/s

# unbuffered read from a SSH mount
# mount options: (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
dd if=mount_sshfs/128mb.test of=/dev/null oflag=dsync
262144+0 records in
262144+0 records out
134217728 bytes (134 MB) copied, 55.1203 s, 2.4 MB/s