From: Mark Hounschell <dmarkh@cfl.rr.com>
To: markh@compro.net
Cc: linux-scsi@vger.kernel.org
Subject: Re: Scsi tape write protect status question
Date: Wed, 15 Jul 2009 06:52:14 -0400 [thread overview]
Message-ID: <4A5DB4DE.1080302@cfl.rr.com> (raw)
In-Reply-To: <3fb5199d5bcad051516f6874ac986f4f.squirrel@mail.compro.net>
Mark Hounschell wrote:
> Mark Hounschell wrote:
>> Sorry to bother you all with such an easy thing. I can't figure out how
>> the
>> kernel knows I have a write protected tape in a drive that I open via
>>
>> open("/dev/st0", O_RDWR, cf_flg, 0666)
>
> Sorry for the typo
>
> open("/dev/st0", O_RDWR, 0666)
>
>> Using the sgio interface I can only sense a write protect status after
>> attempting to to a write.
>> How can one know this before doing a write op?
>>
Never mind, it's in the mode-sense data.
Mark
prev parent reply other threads:[~2009-07-15 10:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 21:03 Scsi tape write protect status question Mark Hounschell
2009-07-14 21:23 ` Mark Hounschell
2009-07-15 10:52 ` Mark Hounschell [this message]
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