Messages in this thread | | | From | Alan Cox <> | Subject | Re: [PATCH] DAC960 open with O_NONBLOCK | Date | Mon, 21 Apr 2003 16:14:44 -0400 (EDT) |
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> John Kamp has run across a libhd applcation from Suse that hit this bug. > It's some kind of hardware detection application. It opens devices with > O_NONBLOCK. But, it doesn't in fact use the DAC960 pass-through commands.
It should be checking major/minor first - rightfully or wrongly (I'd favour wrongly) open has side effects on multiple devices.
> The difficulty is that the Mylex application is available only in binary > form. Mylex is very secretive about its controller commands. > It would be nice to be able to create a library that an application > could call to perform high-level operations, and the library would > construct the pass-through commands and pass them to the driver. > Then, anyone could write their own GUI.
Or someone could just stick a command dumper in the driver. Thats how I wrote ps and a few other utils for my aacraid 8) - 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/
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