MNT_SYNCHRONOUS
#define MOPT_SYNC { "sync", MNT_SYNCHRONOUS, MFLAG_SET }
{ MNT_SYNCHRONOUS, 0, "synchronous", "sync" },
MNT_SYNCHRONOUS | MNT_ASYNC | MNT_NOATIME | MNT_NOPERM | MNT_FORCE);
MNT_NODEV | MNT_SYNCHRONOUS | MNT_ASYNC | MNT_NOATIME | MNT_NOPERM |
(vp->v_mount && (vp->v_mount->mnt_flag & MNT_SYNCHRONOUS)))
if (mp->mnt_flag & MNT_SYNCHRONOUS)
{ "sync", MNT_SYNCHRONOUS },
if (flags & MNT_SYNCHRONOUS) {
flags &= ~MNT_SYNCHRONOUS;