Updated iostats docs

Previous docs mentioned 11 unsigned long fields, when the reality is that
we have 15 fields with a mix of unsigned long and unsigned int.

Signed-off-by: Albert Vaca Cintora <albertvaka@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Albert Vaca Cintora 2019-10-16 22:13:37 +02:00 • committed by Jonathan Corbet
commit d94cdae138