Re: [PATCH 2.6.0-test3] compile fix for driver/block/paride/pd.c

[Vinay K Nallamothu <vinay-rc@naturesoft.net>]

Hi Nick,

On Sat, 2003-08-09 at 14:58, Nick Piggin wrote:
> blk_init_queue now returns a request queue, so this
> patch will not work properly. See the changes in
> test2 -> test3 for how to do it correctly.

Thanks for pointing out. Here is the one with proper fixes. Compiles
fine though not tested.


This patch modifies the code to use the new blk_init_queue.

pd.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diff -urN linux-2.6.0-test3/drivers/block/paride/pd.c linux-2.6.0-test3-nvk/drivers/block/paride/pd.c
--- linux-2.6.0-test3/drivers/block/paride/pd.c	2003-07-28 10:43:52.000000000 +0530
+++ linux-2.6.0-test3-nvk/drivers/block/paride/pd.c	2003-08-09 15:58:56.000000000 +0530
@@ -654,7 +654,7 @@
 	return pd_identify(disk);
 }
 
-static struct request_queue pd_queue;
+static struct request_queue* pd_queue;
 
 static int pd_detect(void)
 {
@@ -704,7 +704,7 @@
 			set_capacity(p, disk->capacity);
 			disk->gd = p;
 			p->private_data = disk;
-			p->queue = &pd_queue;
+			p->queue = pd_queue;
 			add_disk(p);
 		}
 	}
@@ -782,7 +782,7 @@
 	spin_lock_irqsave(&pd_lock, saved_flags);
 	end_request(pd_req, success);
 	pd_busy = 0;
-	do_pd_request(&pd_queue);
+	do_pd_request(pd_queue);
 	spin_unlock_irqrestore(&pd_lock, saved_flags);
 }
 
@@ -893,13 +893,18 @@
 	if (register_blkdev(major, name))
 		return -1;
 
-	blk_init_queue(&pd_queue, do_pd_request, &pd_lock);
-	blk_queue_max_sectors(&pd_queue, cluster);
+	pd_queue = blk_init_queue(do_pd_request, &pd_lock);
+	if (!pd_queue)
+		goto error;
+
+	blk_queue_max_sectors(pd_queue, cluster);
 
 	printk("%s: %s version %s, major %d, cluster %d, nice %d\n",
 	       name, name, PD_VERSION, major, cluster, nice);
 	pd_init_units();
 	if (!pd_detect()) {
+		blk_put_queue(pd_queue);
+error:
 		unregister_blkdev(major, name);
 		return -1;
 	}
@@ -920,7 +925,7 @@
 			pi_release(disk->pi);
 		}
 	}
-	blk_cleanup_queue(&pd_queue);
+	blk_put_queue(pd_queue);
 }
 
 MODULE_LICENSE("GPL");