linux-kernel - Re: [RFC PATCH] add filesystem subtype support

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Message-Id: <E1HGbmc-0003oc-00@dorka.pomaz.szeredi.hu>
Date:	Mon, 12 Feb 2007 15:03:54 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	szaka@...net.hu
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] add filesystem subtype support

> > There's a slight problem with filesystem type representation in fuse
> > based filesystems.
> > 
> > >From the kernel's view, there are just two filesystem types: fuse and
> > fuseblk.  From the user's view there are lots of different filesystem
> > types.  The user is not even much concerned if the filesystem is fuse
> > based or not.  
> 
> Yes. Those who are concerned with the fstype and mount like
> 
>     mount -t fstype device mountpoint
> 
> apparently expect mount/fstab line like
> 
>     device mountpoint fstype ...

The problem with supporting 

  /dev/hda1   /mnt/windows   ntfs-3g   rw,...

type syntax in /proc/mounts is that it would add much more complexity
to the kernel.  The same could be achieved in userspace by teaching
the mount utility about special filesystems like ntfs-3g.

This patch aims for the minium footprint for a feature, that really
doesn't concern the kernel at all.

Miklos
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