On Mon, Feb 07, 2005 at 02:48:00AM +0000, Nuno Monteiro wrote:
>
> On 2005.02.07 00:42, Pozsár Balázs wrote:
> >On Mon, Feb 07, 2005 at 12:36:10AM +0000, Al Viro wrote:
> >> On Mon, Feb 07, 2005 at 12:21:08AM +0100, Pozsar Balazs wrote:
> >> > On Sun, Feb 06, 2005 at 07:06:59AM +0000, Christoph Hellwig wrote:
> >> > > filesystem detection isn't handled at the kerne level.
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> But since filesystem detection isn't handled in the kernel, changing the
> link order is pointless. Please fix your /etc/filesystems instead.
But the contents of /proc/filesystems comes from the kernel. And the
order of filesystems comes from the link order.
Let me show you, why it is _not_ pointless:
If you do not have /etc/filesystems, mount will read /proc/filesystems:
# strace -o mount.trace mount -t auto /dev/sda1 /mnt
# grep filesystems mount.trace
open("/etc/filesystems", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or
directory)
open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
# grep ^mount mount.trace
mount("/dev/sda1", "/mnt", "squashfs", 0xc0ed0000, 0) = -1 EINVAL (Invalid
argument)
mount("/dev/sda1", "/mnt", "vfat", 0xc0ed0000, 0) = 0
See? I _have_ that patch applied, that's why it tried vfat and not msdos
first.
Granted, I could override the default order by using a /etc/filesystems
file. But the kernel should have a much more sane default on its own,
namely "try vfat before msdos".
--
pozsy
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