VOP_FSYNC(9) on FreeBSD

The text 0a29ee614967, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE shipped it.

flush filesystem buffers for a file

VOP_FSYNC(9) on FreeBSD now