Re: 2.4.14: crashing on heavy swap-load with SmartArray (dmesg/.config output)

[Jens Axboe]

--Dxnq1zWXvFF0Q93v
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

On Fri, Nov 09 2001, Ronny Lampert (EED) wrote:
[smart array crashing]

Apply this on top of 2.4.14 and you'll be fine.

-- 
Jens Axboe

--Dxnq1zWXvFF0Q93v
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename=cpq-dequeue-1

--- linux/drivers/block/cpqarray.c~	Thu Nov  8 11:33:11 2001
+++ linux/drivers/block/cpqarray.c	Thu Nov  8 11:35:31 2001
@@ -942,6 +942,8 @@
 	if ((c = cmd_alloc(h,1)) == NULL)
 		goto startio;
 
+	blkdev_dequeue_request(creq);
+
 	spin_unlock_irq(&io_request_lock);
 
 	bh = creq->bh;
@@ -987,13 +989,10 @@
 DBGPX(	printk("Submitting %d sectors in %d segments\n", sect, seg); );
 	c->req.hdr.sg_cnt = seg;
 	c->req.hdr.blk_cnt = creq->nr_sectors;
-
-	spin_lock_irq(&io_request_lock);
-
-	blkdev_dequeue_request(creq);
-
 	c->req.hdr.cmd = (creq->cmd == READ) ? IDA_READ : IDA_WRITE;
 	c->type = CMD_RWREQ;
+
+	spin_lock_irq(&io_request_lock);
 
 	/* Put the request on the tail of the request queue */
 	addQ(&h->reqQ, c);

--Dxnq1zWXvFF0Q93v--