looking for error codes
aduane at juniper.net
Fri Apr 1 15:07:11 UTC 2011
AFAIK, FreeBSD does not really detect read-only media. This was something I had to add as a small project here at work, and was considering cleaning up to try to get into CURRENT. If there's a real need for it, I could speed that up.
Andrew Duane Juniper Networks
978-589-0551 10 Technology Park Dr
aduane at juniper.net Westford, MA 01886-3418
From: owner-freebsd-hackers at freebsd.org [owner-freebsd-hackers at freebsd.org] On Behalf Of Warner Losh [imp at bsdimp.com]
Sent: Friday, April 01, 2011 10:51 AM
To: Andriy Gapon
Cc: FreeBSD Hackers; FreeBSD Arch
Subject: Re: looking for error codes
On Apr 1, 2011, at 8:29 AM, Andriy Gapon wrote:
> I am looking for error codes that would unambiguously signal that a disk drive has
> readonly or write-protected media and that disk drive has no media at the moment.
> I foresee these error codes being used mostly between disk peripheral drivers and
> filesystem drivers.
> I will appreciate your suggestions.
> I see that Linux uses EROFS and ENOMEDIUM for these purposes.
> I am not sure about EROFS in this role.
> And we don't have ENOMEDIUM (nor EMEDIUMTYPE).
Maybe we could add ENOMEDIA for that (spelled however Linux spells it) after EDAVE.
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