From: Andrew Morton <akpm@digeo.com>
To: Rogier Wolff <R.E.Wolff@BitWizard.nl>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Andrew Morton <akpm@zip.com.au>,
Suparna Bhattacharya <suparna@in.ibm.com>,
Jens Axboe <axboe@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: One more bio for for floppy users in 2.5.33..
Date: Tue, 10 Sep 2002 01:01:36 -0700 [thread overview]
Message-ID: <3D7DA6E0.4F9B3068@digeo.com> (raw)
In-Reply-To: 20020910092545.A21776@bitwizard.nl
Rogier Wolff wrote:
>
> ...
>
> Ehmm. I'm in the data-recovery business, and we seem to have lost
> the ability to recover the other 3k of a 4k page if one of the blocks
> is bad.
>
> And we're annoyed about the read-ahead trying to read blocks past
> a bad block without returning to the application.
>
You can use the raw driver, or O_DIRECT against /dev/hdXX. That
will give 512-byte granularity and no readahead.
next prev parent reply other threads:[~2002-09-10 7:41 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-03 18:00 One more bio for for floppy users in 2.5.33 Linus Torvalds
2002-09-03 18:02 ` Jens Axboe
2002-09-04 7:25 ` Suparna Bhattacharya
2002-09-04 16:36 ` Linus Torvalds
2002-09-05 7:03 ` Suparna Bhattacharya
2002-09-05 15:06 ` Linus Torvalds
2002-09-05 16:26 ` Andrew Morton
2002-09-05 17:05 ` Linus Torvalds
2002-09-05 18:00 ` Andrew Morton
2002-09-05 18:28 ` Linus Torvalds
2002-09-05 18:31 ` Jens Axboe
2002-09-05 18:38 ` Linus Torvalds
2002-09-05 18:38 ` Jens Axboe
2002-09-05 19:47 ` Peter Osterlund
2002-09-05 18:42 ` Andrew Morton
2002-09-05 19:03 ` Linus Torvalds
2002-09-05 19:35 ` Andrew Morton
2002-09-05 20:27 ` Linus Torvalds
2002-09-05 20:38 ` Linus Torvalds
2002-09-06 6:47 ` Helge Hafting
2002-09-06 6:59 ` Linus Torvalds
2002-09-09 14:08 ` Bob_Tracy
2002-09-05 20:48 ` Linus Torvalds
2002-09-10 7:25 ` Rogier Wolff
2002-09-10 8:01 ` Andrew Morton [this message]
2002-09-07 11:18 ` Daniel Phillips
2002-09-03 20:57 ` Mikael Pettersson
2002-09-03 21:52 ` Linus Torvalds
2002-09-03 22:33 ` Mikael Pettersson
-- strict thread matches above, loose matches on Subject: below --
2002-09-07 14:43 linux
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