On Fri, 19 July 2013 18:06:59 -0400, Jörn Engel wrote:
> 
> The handling of broadcast primitives involves
> _scsih_block_io_all_device(), which does what the name implies.  I have
> observed cases with >60s of blocking io on all devices, caused by a
> single bad device.  The downsides of this code are obvious, while the
> upsides are more elusive.

And since this patch looks more like an April fools joke: I have
gathered a few machine-months of testing, including tortures that
specifically stress the removed codepaths.  This is a serious
submission and unless someone can show me a _very_ good reason for
keeping the deleted code, I would like to get it merged.

Jörn

--
Computer system analysis is like child-rearing; you can do grievous damage,
but you cannot ensure success."
-- Tom DeMarco
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to