K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2019-08-19T23:09:38.206884Z
K 7
svn:log
V 245
Use an atomic reference count for paging in progress so that callers do not
require the object lock.

Reviewed by:	markj
Tested by:	pho (as part of a larger branch)
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D21311

END