K 10
svn:author
V 2
ae
K 8
svn:date
V 27
2012-11-14T17:36:06.746404Z
K 7
svn:log
V 177
if_afdata lock was converted from mutex to rwlock a long ago, so we can
replace IF_AFDATA_LOCK() macro depending to the access type.

Sponsored by:	Yandex LLC
MFC after:	1 week

END