Re: [CFT][PATCH] loopback fixes for 2.3

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Feb 12 2000 - 20:12:51 EST

  • Next message: Alexander Viro: "Re: [CFT][PATCH] loopback fixes for 2.3"

    > Sigh... Alan, I'm sorry, but could you try to use /dev/loop on 2.3.43? And
    > watch the show. The most trivial test being: dd if=/dev/zero of=foo count=40
    > losetup /dev/loop0 foo; yes|dd count=20 >/dev/loop0; losetup -d /dev/loop0;
    > Now check foo. It was broken in many interesting ways.

    It works fine in 2.2.x. If I tweak my data it stops working in 2.2.x. You
    broke an on disk file system format, thats virtually a captal crime in my
    book 8)

    > The bottom line: encryption driver can trivially compensate for the change.
    > So if it's a problem with on-disk format - fine, let's keep the transformation
    > in the format-handling code.

    Ok. But we need to be able to keep the disk format constant. And yes putting
    any grunge in the crypto is a good idea

    -
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