* [PATCH 8/10] st must check phys and hw segments limits now
@ 2005-11-08 10:06 Mike Christie
0 siblings, 0 replies; only message in thread
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);
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2005-11-08 10:07 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-11-08 10:06 [PATCH 8/10] st must check phys and hw segments limits now Mike Christie
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).