[Xen-devel] about blkfront.c

[Xin Zhao <zhaoxin@xxxxxxxxxxxxxx>]

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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