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VFS_TIMESTAMP(9) Kernel Developer's Manual VFS_TIMESTAMP(9)

NAME

vfs_timestamp —
generate current timestamp

SYNOPSIS

#include <sys/param.h>
#include <sys/vnode.h>

void
vfs_timestamp(struct timespec *tsp);

DESCRIPTION

The vfs_timestamp() function fills in tsp with the current time.

The precision is based on the value of the vfs.timestamp_precision sysctl variable:

0
seconds only; nanoseconds are zeroed.
1
seconds and nanoseconds, accurate within 1/HZ.
2
seconds and nanoseconds, truncated to microseconds.
≥3
seconds and nanoseconds, maximum precision.

AUTHORS

This manual page was written by Chad David <davidc@acns.ab.ca>.
November 21, 2001 Linux 4.19.0-10-amd64