Re: Help - SCSI passthrough ioctl calls vs. sd/sg devices
From: Josef Möllers (josef.moellers_at_fujitsu-siemens.com)
Date: 04/22/04
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Date: Thu, 22 Apr 2004 18:10:51 +0200
L wrote:
> This is veeery helpfule, Josef.
>
> Sounds to me like all SCSI passthrough ioctl calls (with commands like
> INQUIRY, READ/WRITE, RESERVE/RELEASE, MODE SELECT/SENSE, PERSISTENT
> RESERVATION) should be issued to sg devices, and none of them can be sent to
> sd devices, correct?
Cor...ect!
Although there seems to be a possibility to send an ioctl(2) to the sd
driver with a cmd of SCSI_IOCTL_SEND_COMMAND where you can pass
arbitrary commands through the sd driver, the source code says "This
interface is depreciated", so let's not use it.
-- Josef Möllers (Pinguinpfleger bei FSC) If failure had no penalty success would not be a prize -- T. Pratchett
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