FDISKSYNC
fflags |= FDISKSYNC;
fsflags |= FDISKSYNC;
if (fsync_range(fd_seed, FDATASYNC|FDISKSYNC, 0, 0) == -1) {
if (fsync_range(fd_old, FDATASYNC|FDISKSYNC, 0, 0) == -1)
if (flags & FDISKSYNC)
if (fsync_range(offtab->ot_fd, (FFILESYNC | FDISKSYNC),
if (fsync_range(S->cloop2_fd, (FFILESYNC | FDISKSYNC), 0, S->offset)