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SubjectRe: Query removable drives (CD-ROMs, flopies etc) for media presence
Date
I have working media change (and presense) detection for the ide-floppy
driver, that handles nearly every situation. It will be even better (and
handle all situations) when Andre's new IDE driver gets merged into 2.4.x
and I can use taskfile I/O to implement some more drive features.

The code is ready to be reviewed, I've asked Paul Bristow to do so but so
far haven't gotten any response.

----- Original Message -----
From: "Borsenkow Andrej" <Andrej.Borsenkow@mow.siemens.ru>
To: "linux-kernel list" <linux-kernel@vger.kernel.org>
Sent: Sunday, January 20, 2002 3:07 AM
Subject: Query removable drives (CD-ROMs, flopies etc) for media presence


> Is there reliable way to query drives for media presence? I have tried
> query_disk_change but it returns 1 if called without media inserted (it
> correctly works if media is present when it is called). I need it for
> CD-ROMs (IDE or SCSI) and possibly for other drives with removable media
> like floppy, Zip, Jaz.
>
> So far I tried with two IDE CD-ROMs and floppy and all show the same -
> query_disk_change always 1 when no media is present.
>
> The reason is I'd like to avoid media access when it is known no media
> is present. The kernel is 2.4.17.
>
> TIA
>
> -andrej
>
>
> -
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