fs detection and volume labels

[Joe Shaw]

On Mon, 2004-04-19 at 02:16 +0200, David Zeuthen wrote:
> Hi,
> 
> Last week I played around with fstab management through callouts for a
> couple of external storage devices. To that effect, I added some code to
> detect the filesystem and extract the volume label. Currently this works
> for FAT filesystems. So now, before the HalDevice representing the block
> device is added, the following properties may be available
> 
>   block.volume_name
>   block.fstype
> 
> which can be used to create a sane mount point name (not that the fstab
> management example code in CVS currently use it, but...).

Nice!  The fstype seems to work fine for me with ext3, although some
volumes (like my swap partition) have fstype set as an empty string.

> Here's a question: Is this useful, and should we support it for more
> filesystems than just FAT? I think it's a pretty nifty feature for both
> desktop environments and fstab management; In general and it seems
> pretty HAL-like thing to do (e.g. we already detect the format of
> optical discs). There's some code in mount_guess_fstype.c from mount(1)
> to do this, although it's probably not important to support all of these
> filesystems.

Yeah, I think it's definitely worthwhile.

Joe


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