From: Marcin Dalecki <dalecki@evision.ag>
To: Alexander Viro <viro@math.psu.edu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Martin Dalecki <dalecki@cs.net.pl>,
linux-kernel@vger.kernel.org
Subject: Re: IDE from current bk tree, UDMA and two channels...
Date: Fri, 02 Aug 2002 11:10:59 +0200 [thread overview]
Message-ID: <3D4A4CA3.4050803@evision.ag> (raw)
In-Reply-To: Pine.GSO.4.21.0208011840130.12627-100000@weyl.math.psu.edu
Uz.ytkownik Alexander Viro napisa?:
>
> On Thu, 1 Aug 2002, Linus Torvalds wrote:
>
>
>>You probably saw this. Looks like blocksize has been buggered somehow.
>>Apparently Petr has a 1kB blocksize optical device..
>
>
> Yeah - with partition boundaries set not on a physical sector boundary ;-/
>
> He's actually lucky that beginning of partition was not in the middle of
> a physical sector...
>
> Looks like we need
> a) accurate hardsect_size for these beasts (which is a problem
> with current setup, since it's per-queue and not per-device; master and
> slave can have different hardsect sizes).
FYI: In the ATA driver area all queues *are* explicitely per device.
> b) extra check in check_partitions() that would verify that
> partition doesn't end in the middle of a sector (and round it down
> if it does).
>
> Basically, old code worked by accident on that setup - Petr had half-Kb
> in the end of partition unaccessible and do_open() didn't notice that.
> Now it does and tries to give such access. Disk is not happy...
next prev parent reply other threads:[~2002-08-02 9:12 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200208012219.g71MJV109133@penguin.transmeta.com>
2002-08-01 22:45 ` IDE from current bk tree, UDMA and two channels Alexander Viro
2002-08-02 9:10 ` Marcin Dalecki [this message]
2002-08-01 23:13 Petr Vandrovec
2002-08-02 13:07 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2002-08-01 23:00 Petr Vandrovec
2002-08-01 23:05 ` Alexander Viro
2002-08-01 22:53 Petr Vandrovec
2002-08-01 23:02 ` Alexander Viro
2002-08-01 23:54 ` Linus Torvalds
2002-08-01 22:42 Petr Vandrovec
2002-08-01 22:52 ` Alexander Viro
2002-08-02 9:11 ` Marcin Dalecki
2002-08-01 22:34 Petr Vandrovec
2002-08-01 17:07 Petr Vandrovec
2002-08-01 22:00 ` Petr Vandrovec
2002-08-01 22:13 ` Marcin Dalecki
2002-08-01 22:39 ` Alexander Viro
2002-07-30 19:26 Petr Vandrovec
2002-07-31 20:01 ` Marcin Dalecki
2002-08-01 9:56 ` Jens Axboe
2002-08-01 9:56 ` Marcin Dalecki
2002-08-01 10:05 ` Jens Axboe
2002-08-01 10:33 ` Marcin Dalecki
2002-08-01 10:45 ` Jens Axboe
2002-07-30 18:19 Petr Vandrovec
2002-07-31 19:48 ` Marcin Dalecki
2002-07-30 16:15 Petr Vandrovec
2002-07-30 14:03 Petr Vandrovec
2002-07-30 14:25 ` Marcin Dalecki
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