zfsonlinux/zfs — pull request #2361 by dweeezil (2014-06-06 12:45:09+00:00)
Title: Expand the description of scan-related and other parameters.

Document that the scan-related parameters are, in fact, applicable only
to scrub and/or resilver operations as appropriate.

Expand a few of the prefetch-related descriptions.

Add clarification to other module parameters.