kern/170914: [zfs] [patch] Import patchs related with issues 3090 and 3102.

[linimon at FreeBSD.org]

Synopsis: [zfs] [patch] Import patchs related with issues 3090 and 3102.

Responsible-Changed-From-To: freebsd-bugs->freebsd-fs
Responsible-Changed-By: linimon
Responsible-Changed-When: Thu Aug 23 12:10:00 UTC 2012
Responsible-Changed-Why: 
Over to maintainer(s).

http://www.freebsd.org/cgi/query-pr.cgi?pr=170914