Neil Brown wrote:
> On Friday February 16, [EMAIL PROTECTED] wrote:
>
>> I was wondering if the block layer has been changed into a more serialized
>> manner yet? I've been trying to google this, but so far no luck. I know there
>> was some talk about removing the stack based approach, but I can't find any
>> information about where this went.
>>
>> If it is currently fixed, a pointer to from which version would be nice.
>>
>
> Might this:
> http://lkml.org/lkml/2007/2/10/22
>
> relate to your question?
> If you are talking about stacking block device (via dm or md), then a
> patch to fix this in in -mm but there are or were some potential
> issues in dm that seem to be holding it up.
>
>
Yes, I am. I know there has been general work to reduce stack usage here
and there, but the final suggested solution was to serialize all the
block subsystems so that only one was present on the stack at any given
time.
I was constantly hitting this problem a few years ago when I was running
md+xfs+nfs. The fix was in -mm back then as well. ;)
Rgds
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
PulseAudio, core developer http://pulseaudio.org
rdesktop, core developer http://www.rdesktop.org
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