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Re: [linux-lvm] Patch for Kernel 2.2.16



On Friday, January 19, 2001 06:17:35 PM +0000 "Heinz J. Mauelshagen"
<Heinz Mauelshagen t-online de> wrote:

>> After testing a bit more, I have found a bug in the snapshot creation.
>> Under load, you can get a 
>> 'kernel panic: brw_kiovec: iobuf not locked for I/O'
> 
> I think Andrea Arcangeli's patch set the previously introduced
> 
> iobuf->locked = 1; 
> 
> to 0 again.
> Change it to 1 and test.
> This should fix it.
> 

Yes, this diff looks like it came from Andrea's code, but his brw_kiovec
doesn't panic when the iobuf isn't locked.

-chris



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