CVS commit: src/sys

["Jaromir Dolecek" <jdolecek%netbsd.org@localhost>]

Module Name:    src
Committed By:   jdolecek
Date:           Thu Feb  4 21:07:06 UTC 2021

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

Log Message:
introduce vfs.generic.timestamp_precision sysctl to control precision
of the timer used for vfs_timestamp(); default stays the same
to use nanotime(9), but option is there to use the faster, albeit
less precise methods

code taken from FreeBSD

suggested by Mateusz Guzik in:
http://mail-index.netbsd.org/tech-kern/2020/07/19/msg026620.html


To generate a diff of this commit:
cvs rdiff -u -r1.51 -r1.52 src/sys/kern/vfs_init.c
cvs rdiff -u -r1.489 -r1.490 src/sys/kern/vfs_subr.c
cvs rdiff -u -r1.236 -r1.237 src/sys/sys/mount.h

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