K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2019-12-27T11:19:57.227559Z
K 7
svn:log
V 250
Add read-mostly sleepable locks

To be used when like rmlocks, except when sleeping for readers needs to be
allowed. See the manpage for more information.

Reviewed by:	kib (previous version)
Differential Revision:	https://reviews.freebsd.org/D22823

END