CVS commit: src/sys

["Andrew Doran" <ad%netbsd.org@localhost>]

Module Name:    src
Committed By:   ad
Date:           Fri Apr 10 17:18:04 UTC 2020

Modified Files:
        src/sys/kern: vfs_bio.c
        src/sys/sys: buf.h

Log Message:
Remove buffer reference counting, now that it's safe to destroy b_busy after
waking any waiters.


To generate a diff of this commit:
cvs rdiff -u -r1.290 -r1.291 src/sys/kern/vfs_bio.c
cvs rdiff -u -r1.131 -r1.132 src/sys/sys/buf.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.