Re: 2.6.3-rc2-mm1 (dm)

From: Andrew Morton (akpm_at_osdl.org)
Date: 02/12/04

  • Next message: Gopi Palaniappan: "RE: memory foorprint of kernel modules" 
    Date:	Thu, 12 Feb 2004 14:34:17 -0800
To: Nathan Scott <nathans@sgi.com>

    Nathan Scott <nathans@sgi.com> wrote:
    >
    > > This forces the underlying device(s) to a soft blocksize of 512. And
    > > I had my 80 MB/sec write speed back !
    > >
    > > I'm not sure if setting the blocksize of the underlying device
    > > always to 512 is the right solution. I think that set_blocksize
    >
    > Hmm... that set_blocksize there must be new in -mm, I don't see
    > that in mainline yet. I would guess that bdev_hardsect_size()
    > would be more appropriate here than hard-coding 512 bytes. I
    > don't know the details of the problem being solving by adding
    > set_blocksize() in there though, so I might be completely wrong.

    Yes, 2.6.3-rc2-mm1 has a new device-mapper update.

    Miquel, thanks for picking this up. I shall wait for the LVM team to
    suggest the preferred fix.

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