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Re: kern/48411: repeatable SMP crashes in amd64-current
The following reply was made to PR kern/48411; it has been noted by GNATS.
From: "J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>
Subject: Re: kern/48411: repeatable SMP crashes in amd64-current
Date: Thu, 28 Nov 2013 21:40:12 +0100
On Nov 28, 2013, at 6:55 PM, David Holland
> On Thu, Nov 28, 2013 at 05:05:01PM +0000, J. Hannken-Illjes wrote:
>>>> Entering layer_node_find() with a locked vnode has to go -- =
>>>> this means VOP_LOOKUP() has to return an unlocked vnode.
>>> That isn't unfortunate; it just takes some work to get organized.
>> So to make the list complete: lookup, create, mknod, mkdir, symlink =
>> bmap return locked vnodes and would need changing.
> Except for bmap the rest of those should not cause any (extra)
> problems. bmap I'm not sure about; it's a mess pertaining to device
As bmap returns the device we are mounted on and this device usually
gets used only by strategy I would not expect big problems here.
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig
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