Re: [PATCH 15/15] mkfs: don't treat files as though they are block devices

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

>  void
>  platform_flush_device(int fd, dev_t device)
>  {
> -     if (major(device) != RAMDISK_MAJOR)
> +     struct stat64   st;
> +     if (major(device) == RAMDISK_MAJOR)
> +             return;
> +
> +     if (fstat64(fd, &st) < 0)
> +             return;
> +
> +     if (S_ISREG(st.st_mode))
> +             fsync(fd);
> +     else
>               ioctl(fd, BLKFLSBUF, 0);
>  }

Given that fsync does the right thing for device on Linux aswell
I'd suggest we make this function call it all the time and get rid
of all the ramdisk magic.

Should probabbly be a a separate patch.