CVS commit: src/sys

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

Module Name:    src
Committed By:   hannken
Date:           Mon Apr 17 08:34:27 UTC 2017

Modified Files:
        src/sys/kern: vfs_mount.c vfs_subr.c
        src/sys/sys: mount.h

Log Message:
Add vfs_trybusy() and mountlist_iterator_trynext() and use it for the syncer.


To generate a diff of this commit:
cvs rdiff -u -r1.57 -r1.58 src/sys/kern/vfs_mount.c
cvs rdiff -u -r1.462 -r1.463 src/sys/kern/vfs_subr.c
cvs rdiff -u -r1.225 -r1.226 src/sys/sys/mount.h

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