Re: [PATCH] limit recursion when flushing shost->starved_list

From: Jens Axboe
Date: Mon Aug 21 2006 - 03:00:53 EST


On Sat, Aug 19 2006, James Bottomley wrote:
> On Wed, 2006-08-09 at 17:31 +0200, Andreas Herrmann wrote:
> > Attached is a patch that should limit a possible recursion that can
> > lead to a stack overflow like follows:
>
> Well, OK, initially I'll put this in scsi-misc, since I acknowledge its
> a problem. However, it is one that block queue grouping should be able
> to get us out of ... and at that time, this code (and most of the
> starved list handling) should exit the scsi mid-layer.

Yep, the patch is a little nasty but I don't see a better way currently.
So the above outline sounds good to me.

--
Jens Axboe

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