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    SubjectRe: ReiserFS buglet
    On Tue, Sep 24, 2002 at 02:25:21PM +0400, Oleg Drokin wrote:
    > Hello!
    >
    > On Tue, Sep 24, 2002 at 12:03:38PM +0200, Jakob Oestergaard wrote:
    >
    > > It's a question of which errors one wishes to handle, and which you
    > > simply choose to ignore.
    >
    > Yes, that's true. Reiserfs chose to not handle any HW errors, this is even
    > written somewhere in our FAQ.

    Fair enough.

    ...
    > Ok, I did.
    > You math was wrong, you forgot to account that your number should be divided
    > by 128, not 512, since integer itself is 4 bytes long on x86.
    > (See message from Itai Nahshon <nahshon@actcom.co.il>, August 7th
    > Message-Id: <200208071443.30551.nahshon@actcom.co.il> if you missed that originally.)

    Darn !

    Thanks for pointing that one out - I missed it.

    And you (well nahson@atcom.co.il) is right and I am wrong.

    ...
    > Probably I mssed that part of converstion, then.
    > As I see the IDE thing, you tell the hardware that you want to write some amount
    > of _sectors_ to the hard drive, and then feed the controller with necessary
    > amount of data. If it writes these sectors from the start of the data flow,
    > what will it do on data transefer timeout?
    > So I still think that data is written on disk in 512 bytes atomic blocks
    > until I see IDE device that does otherwise (and then I will probably
    > dig some IDE datasheet and find out they are violating some spec ;) )

    That would be really interesting.

    I mean, my point still stands even though my proof was wrong, unless
    someone can come up with a "proof" (a spec would be close enough) that
    writes must be 512 bytes.

    Thanks, :)

    --
    ................................................................
    : jakob@unthought.net : And I see the elder races, :
    :.........................: putrid forms of man :
    : Jakob Østergaard : See him rise and claim the earth, :
    : OZ9ABN : his downfall is at hand. :
    :.........................:............{Konkhra}...............:
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