CVS commit: src/sys/kern

["Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>]

Module Name:    src
Committed By:   hannken
Date:           Sun Apr 19 13:25:00 UTC 2020

Modified Files:
        src/sys/kern: vfs_vnode.c

Log Message:
Take some pressure from vdrain lock:

- Use cv_signal() instead of cv_broadcast(), there is only one waiter.
- No need to signal if number of vnodes doesn't increase.
- Use kpause(1) instead of yield().


To generate a diff of this commit:
cvs rdiff -u -r1.120 -r1.121 src/sys/kern/vfs_vnode.c

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