Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (27 commits)
  [S390] Fix checkstack for s390
  [S390] fix initialization of stp
  [S390] 3215: Remove tasklet.
  [S390] console flush on panic / reboot
  [S390] introduce dirty bit for kvm live migration
  [S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O
  [S390] xpram: per device block request queues.
  [S390] dasd: fix message flood for unsolicited interrupts
  [S390] Move private simple udelay function to arch/s390/lib/delay.c.
  [S390] dcssblk: add >2G DCSSs support and stacked contiguous DCSSs support.
  [S390] ptrace changes
  [S390] s390: use sys_pause for 31bit pause entry point
  [S390] qdio enhanced SIGA (iqdio) support.
  [S390] cio: fix cio_tpi.
  [S390] cio: Correct use of ! and &
  [S390] cio: inline assembly cleanup
  [S390] bus_id -> dev_set_name() for css and ccw busses
  [S390] bus_id ->dev_name() conversions in qdio
  [S390] Use s390_root_dev_* in kvm_virtio.
  [S390] more bus_id -> dev_name conversions
  ...

1 files changed, 15 insertions, 22 deletions

diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index dd9b986389a..03916989ed2 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -56,6 +56,7 @@ typedef struct {
 static xpram_device_t xpram_devices[XPRAM_MAX_DEVS];
 static unsigned int xpram_sizes[XPRAM_MAX_DEVS];
 static struct gendisk *xpram_disks[XPRAM_MAX_DEVS];
+static struct request_queue *xpram_queues[XPRAM_MAX_DEVS];
 static unsigned int xpram_pages;
 static int xpram_devs;
 
@@ -330,18 +331,22 @@ static int __init xpram_setup_sizes(unsigned long pages)
 	return 0;
 }
 
-static struct request_queue *xpram_queue;
-
 static int __init xpram_setup_blkdev(void)
 {
 	unsigned long offset;
 	int i, rc = -ENOMEM;
 
 	for (i = 0; i < xpram_devs; i++) {
-		struct gendisk *disk = alloc_disk(1);
-		if (!disk)
+		xpram_disks[i] = alloc_disk(1);
+		if (!xpram_disks[i])
+			goto out;
+		xpram_queues[i] = blk_alloc_queue(GFP_KERNEL);
+		if (!xpram_queues[i]) {
+			put_disk(xpram_disks[i]);
 			goto out;
-		xpram_disks[i] = disk;
+		}
+		blk_queue_make_request(xpram_queues[i], xpram_make_request);
+		blk_queue_hardsect_size(xpram_queues[i], 4096);
 	}
 
 	/*
@@ -352,18 +357,6 @@ static int __init xpram_setup_blkdev(void)
 		goto out;
 
 	/*
-	 * Assign the other needed values: make request function, sizes and
-	 * hardsect size. All the minor devices feature the same value.
-	 */
-	xpram_queue = blk_alloc_queue(GFP_KERNEL);
-	if (!xpram_queue) {
-		rc = -ENOMEM;
-		goto out_unreg;
-	}
-	blk_queue_make_request(xpram_queue, xpram_make_request);
-	blk_queue_hardsect_size(xpram_queue, 4096);
-
-	/*
 	 * Setup device structures.
 	 */
 	offset = 0;
@@ -377,18 +370,18 @@ static int __init xpram_setup_blkdev(void)
 		disk->first_minor = i;
 		disk->fops = &xpram_devops;
 		disk->private_data = &xpram_devices[i];
-		disk->queue = xpram_queue;
+		disk->queue = xpram_queues[i];
 		sprintf(disk->disk_name, "slram%d", i);
 		set_capacity(disk, xpram_sizes[i] << 1);
 		add_disk(disk);
 	}
 
 	return 0;
-out_unreg:
-	unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
 out:
-	while (i--)
+	while (i--) {
+		blk_cleanup_queue(xpram_queues[i]);
 		put_disk(xpram_disks[i]);
+	}
 	return rc;
 }
 
@@ -400,10 +393,10 @@ static void __exit xpram_exit(void)
 	int i;
 	for (i = 0; i < xpram_devs; i++) {
 		del_gendisk(xpram_disks[i]);
+		blk_cleanup_queue(xpram_queues[i]);
 		put_disk(xpram_disks[i]);
 	}
 	unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
-	blk_cleanup_queue(xpram_queue);
 }
 
 static int __init xpram_init(void)