Andrey Borzenkov wrote:
>
>>Basically, in my opinion removable media should be handled by insert
>>and removal detection, not by access detection. Obviously, there are
>>some sticky issues with that in the case where media can be removed
>>without notice (like PC floppies or other manual-eject devices), but
>>overall I think that is the correct approach.
>
>
> You are absolutely right. Unfortunately, I am not aware of any general
> way to request device to notify about media insertion/ejection.
> Without such notification the only thing you can do is to poll - and
> this is the same access detection in disguise. With disatvantage
> that polling wastes system resources and is subject to races.
>
No, that is not correct. Polling for insertion is different from
probing from access. There isn't a *general* way to obtain
notification, but may devices offer it, so you need to develop a modular
way to deal with it.
-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri May 23 2003 - 22:00:34 EST