Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
ext4 (since Linux 2.6.23).
.\" commit ef7f38359ea8b3e9c7f2cae9a4d4935f55ca9e80
Nanosecond timestamps are not supported in ext2, ext3, and Reiserfs.
+In order to return timestamps with nanosecond precision,
+the timestamp fields in the
+.I stat
+and
+.I statx
+structures are defined as structures that include a nanosecond component.
+See
+.BR stat (2)
+and
+.BR statx (2)
+for details.
On filesystems that do not support subsecond timestamps,
the nanosecond fields in the
.I stat