Craig Rodrigues wrote:

> On Sat, Jul 08, 2006 at 05:37:26PM +0200, Dag-Erling Smrgrav wrote:
>
>>What about cases where there may be several matching file systems?
>>For instance, a clean ext3 file system is also a valid ext2 file
>>system (and vice versa).

>
>
> Currently, FreeBSD can only mount ext2 with mount -t ext2fs.
>
> A better example would probably be udf and cd9660 filesystems.
>
> Right now the logic is to iterate over the list of known local
> filesystems (always starting with "ufs"), skipping over "synthetic"
> and "network" filesystems,
> i.e. similar to the list produced by lsvfs:
>
> Filesystem Refs Flags
> -------------------------------- ----- ---------------
> ufs 8
> reiserfs 0 read-only
> nfs4 0 network
> ext2fs 0
> ntfs 0
> cd9660 0 read-only
> procfs 1 synthetic
> msdosfs 0
> xfs 0
> devfs 1 synthetic
> nfs 0 network
>
>
>
> The first matching filesystem wins....not perfect, but
> maybe good enough for a lot of cases.
>
> mount -t always works if you want to specify the fstype.
>


Where is udf in the list? Btw, it's not that udf and cd9660 are
compatible, they aren't by any means. It's that the can co-exist on
the same media, and often times a UDF filesystem has cd9660 structures
available for compatibility. If you added udf to your list above with a
higher priority than cd9660, everything should 'just work', and you'd
still be able to override it manually.

Scott

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