K 10
svn:author
V 3
cem
K 8
svn:date
V 27
2016-07-05T20:51:52.388800Z
K 7
svn:log
V 308
ioat(4): Split timer into poll and shrink functions

Poll should happen quickly, while shrink should happen infrequently.

Protect is_completion_pending with submit_lock.

Reviewed by:	markj
Approved by:	re
Sponsored by:	EMC / Isilon Storage Division
Differential Revision:	https://reviews.freebsd.org/D7097

END