K 10
svn:author
V 5
dougm
K 8
svn:date
V 27
2019-08-01T05:30:31.616905Z
K 7
svn:log
V 307
MFC r350183, r350359

In trimming on startup, define swapon_trim() to invoke swapon before
closing the fd used for trimming so that a geli device isn't detached
before swapon is invoked.  Add comments to explain the reason for the
ordering of events.

Reviewed by: alc
Approved by: markj (mentor, implicit)

END