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Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/cciss.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 5d0e135824f..f15b1770853 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1287,6 +1287,7 @@ static void cciss_softirq_done(struct request *rq)
{
CommandList_struct *cmd = rq->completion_data;
ctlr_info_t *h = hba[cmd->ctlr];
+ unsigned int nr_bytes;
unsigned long flags;
u64bit temp64;
int i, ddir;
@@ -1308,7 +1309,14 @@ static void cciss_softirq_done(struct request *rq)
printk("Done with %p\n", rq);
#endif /* CCISS_DEBUG */
- if (blk_end_request(rq, (rq->errors == 0) ? 0 : -EIO, blk_rq_bytes(rq)))
+ /*
+ * Store the full size and set the residual count for pc requests
+ */
+ nr_bytes = blk_rq_bytes(rq);
+ if (blk_pc_request(rq))
+ rq->data_len = cmd->err_info->ResidualCnt;
+
+ if (blk_end_request(rq, (rq->errors == 0) ? 0 : -EIO, nr_bytes))
BUG();
spin_lock_irqsave(&h->lock, flags);