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.\" $FreeBSD: head/share/man/man9/vfs_timestamp.9 267936 2014-06-26 21:44:30Z bapt $
.\"
.Dd November 21, 2001
.Dt VFS_TIMESTAMP 9
.Os
.Sh NAME
.Nm vfs_timestamp
.Nd "generate current timestamp"
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.Ft void
.Fn vfs_timestamp "struct timespec *tsp"
.Sh DESCRIPTION
The
.Fn vfs_timestamp
function fills in
.Fa tsp
with the current time.
.Pp
The precision is based on the value of the
.Va vfs.timestamp_precision
sysctl variable:
.Pp
.Bl -tag -width ".No \(>=3" -compact
.It 0
seconds only; nanoseconds are zeroed.
.It 1
seconds and nanoseconds, accurate within 1/HZ.
.It 2
seconds and nanoseconds, truncated to microseconds.
.It \(>=3
seconds and nanoseconds, maximum precision.
.El
.Sh AUTHORS
This manual page was written by
.An Chad David Aq Mt davidc@acns.ab.ca .