* [PATCH 8/10] st must check phys and hw segments limits now
@ 2005-11-08 10:06 Mike Christie
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From: Mike Christie @ 2005-11-08 10:06 UTC (permalink / raw)
To: axboe, linux-scsi
We have two segments limitations. Previously
st made its own scatterlists that got sent to LLDs
so it could ignore max_phys_segments.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 2d8592d..5e61e48 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3889,7 +3889,8 @@ static int st_probe(struct device *dev)
return -ENODEV;
}
- i = SDp->host->sg_tablesize;
+ i = min(SDp->request_queue->max_hw_segments,
+ SDp->request_queue->max_phys_segments);
if (st_max_sg_segs < i)
i = st_max_sg_segs;
buffer = new_tape_buffer(1, (SDp->host)->unchecked_isa_dma, i);
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2005-11-08 10:06 [PATCH 8/10] st must check phys and hw segments limits now Mike Christie
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