Re: [Jfs-discussion] extendfs

[Steve B. <sf...@us...>]

Christoph Hellwig wrote:
> 
> On Thu, Feb 28, 2002 at 01:27:47PM -0600, Steve Best wrote:
> > > Also, I understand there is an ioctl() that gets sent to the device that
> > > will do the extension, is this ioctl already part of the existing jfs
> > > kernel module meaning that a tested version of extendfs is all we'll need
> > > to resize filesystems moving forward,  or is it also something that
> > > needs to be added?
> >
> > I don't see adding the ioctl being a problem.
> 
> I see a problem.  Where are we doing the ioctl on?
> Ioctl on directories are probably going to die in Linux 2.5, so it's not
> a good idea to add a new one.  Special file?  This is _really_ ugly.
> Some random file?  Might work, but needs at least one file on the
> filesystem.
> 
> I think we should do it similar to the ext2 resizing patch and add a
> resize= option to mount (or remount to be more precise).

Thanks for the heads-up. I'm currently just working on the file system part
and you are making me think about how it will be called, thanks

> 
>         Christoph
> 
> --
> Of course it doesn't work. We've performed a software upgrade.

Steve