Re: [PATCH] Only use MSDOS-Partitions by default on X86

Nicolas Pitre
2003-05-06T18:57:37Z

On Tue, 6 May 2003, Jens Axboe wrote:

> On Tue, May 06 2003, Nicolas Pitre wrote:
> > On Tue, 6 May 2003, Jens Axboe wrote:
> >
> > > On Tue, May 06 2003, Alan Cox wrote:
> > > > On Maw, 2003-05-06 at 18:23, Nicolas Pitre wrote:
> > > > > According to Alan it's nearly possible to configure the block layer out
> > > > > entirely, which would be a good thing to associate with a CONFIG_DISK option
> > > > > too.
> > > >
> > > > David Woodhouse I believe..
> > >
> > > Are we talking about everything below submit_bh/bio? Shouldn't be too
> > > hard to write a small no-block.c for that...
> >
> > The idea is to configure out everything not needed when only NFS and/or JFFS
> > (which doesn't rely on the block layer to work) are used. Pretty useful for
> > networked or embedded machines.
>
> I see, that would indeed be a bigger job :). Just the block layer would
> not be hard, especially if you make the restriction that the block
> drivers usable would be ones that used a make_request strategy for
> handling requests. That would allow you to kill ll_rw_blk.c,
> deadline-iosched.c, and elevator.c. That's some 21k of text and 2k of
> data on this box.

That's certainly a good start.

Nicolas