It's a while since I looked at this stuff. Off the top of my head, however: 
is 7 the limit on the number of sectors that can be queued in one block 
request?
If that's not it, I expect someone will have a proper answer in the morning. 
Off to sleep now....
HTH,
Mark
On Tuesday 28 September 2004 03:00, Xin Zhao wrote:
> Sorry for the dumb question,
>
> I noticed that in the function blkfront.c: blkif_queue_request(...), there
> are these two lines of codes:
>
> ----------------------------
> if ( lsect > 7 )
> BUG();
> ----------------------------
>
> I guess lsect stands for last sector, but I don't understand why last
> sector greater than 7 indicates a bug.
>
> Any reason for this?
>
> Thanks,
> Xin
>
>
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