Alan Cox <[email protected]> wrote:
> Ar Maw, 2006-06-20 am 11:05 +0200, ysgrifennodd Andreas Mohr:
>> But how would HAL safely determine whether a (IDE/USB) drive is busy?
>> As my test app demonstrates (without HAL running), the *very first* open()
>> happening during an ongoing burning operation will kill it instantly, in the
>> USB case.
>> Are there any options left for HAL at all? Still seems to strongly point
>> towards a kernel issue so far.
>
> In the IDE space O_EXCL has the needed semantics. At least it does on
> Fedora and I don't think thats a Fedora patch, not sure if this is the
> case for the USB side of things.
This does not work, since O_EXCL does not work:
http://lkml.org/lkml/2006/2/5/137
Instead, I'd (try to) use mandatory locking and prevent open() etc. from
causing the bad commands to be sent.
--
Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF
verbreiteten Lügen zu sabotieren.
http://david.woodhou.se/why-not-spf.html
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