Re: blocksize > 4K in ext2 ?

Harald Koenig (koenig@tat.physik.uni-tuebingen.de)
Wed, 20 May 1998 08:58:48 +0200


On May 19, Rik van Riel wrote:

> On Tue, 19 May 1998, Gabriele Grilli wrote:
>
> > In ext2 it's possible to do 1, 2 and 4 Kbyte blocks simply performing
> > mke2fs with -b 1024, -b 2048 or -b 4096.
> > I would like to know how modify the kernel such as I can use larger
> > blocks.
>
> You don't only need to modify the ext2 filesystem, but the
> buffercache and the memory allocation algorithm too...
>
> Currently, the buffercache only handles buffers up to 4k in
> size and the memory allocation algorithm doesn't handle
> the handing out of larger (>1 page) chunks very well.

then, would it be possible to use 8k ext2 on AXP, as AXP uses 8k pages ?

Harald

--
All SCSI disks will from now on                     ___       _____
be required to send an email notice                0--,|    /OOOOOOO\
24 hours prior to complete hardware failure!      <_/  /  /OOOOOOOOOOO\
                                                    \  \/OOOOOOOOOOOOOOO\
                                                      \ OOOOOOOOOOOOOOOOO|//
Harald Koenig,                                         \/\/\/\/\/\/\/\/\/
Inst.f.Theoret.Astrophysik                              //  /     \\  \
koenig@tat.physik.uni-tuebingen.de                     ^^^^^       ^^^^^

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu