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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-03-27 10:43:52 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-04-07 08:12:38 +0200 |
| commit | ac44e5b2ed62bf4acf9df84575d3f18c7a6fdf22 (patch) | |
| tree | 55e44b1d54299f85332e6e1087cad28e9a439c33 /drivers/block | |
| parent | block: fix inconsistency in I/O stat accounting code (diff) | |
| download | linux-ac44e5b2ed62bf4acf9df84575d3f18c7a6fdf22.tar.xz linux-ac44e5b2ed62bf4acf9df84575d3f18c7a6fdf22.zip | |
cciss: fix residual count for block pc requests
We must complete the full request, so store the request count and then set
the ->data_len to the residual count from the hardware.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/cciss.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 5d0e135824f9..f15b17708537 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); |