On 2009-08-04 22:45, Mel Flynn wrote:
> % mount -t msdofs /dev/label/camera ~/camera
> mount: /dev/label/camera : Operation not supported by device
>
> I would expect something along the lines of "unknown file system type". Is
> this fixable?
Yes, just use "msdosfs" instead. ;) That said, it looks like ENODEV is
returned by vfs_domount(), whenever the fs type is not found in the
list of supported filesystems:
[...]
if (fsflags & MNT_ROOTFS)
vfsp = vfs_byname(fstype);
else
vfsp = vfs_byname_kld(fstype, td, &error);
if (vfsp == NULL)
return (ENODEV);
[...]
Note that in the case when vfs_byname_kld() gets called, the error it
returns is silently thrown away. What a pity. :)
In any case, you could paint a lot of bikesheds about which error code
from errno.h would be most suited for this situation, unfortunately.
And there isn't a special "unknown file system" error code, either...
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