K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2022-01-23T20:02:16.797246Z
K 7
svn:log
V 726
Fix inverse sleep logic in buf_daemon().

Before commit 3cec5c77d617 buf_daemon() went to longer 1s sleep if
numdirtybuffers <= lodirtybuffers.  After that commit new condition
!BIT_EMPTY(BUF_DOMAINS, &bdlodirty) got opposite -- true when one
or more more domains is above lodirtybuffers.  As result, on freshly
booted system with no dirty buffers buf_daemon() wakes up 10 times
per second and probably only 1 time per second when there is actual
work to do.

MFC after:	1 week
Reviewed by:	kib, markj
Tested by:	pho
Differential revision:	https://reviews.freebsd.org/D33890

(cherry picked from commit e76c0108990b52a25f548cba4c0f1b8db59c6b8b)

Git Hash:   c8c305ac071a660c34de274cc6fd6daae6a1642d
Git Author: mav@FreeBSD.org
END