Merge branch 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.40/core' of git://git.kernel.dk/linux-2.6-block: (40 commits)
  cfq-iosched: free cic_index if cfqd allocation fails
  cfq-iosched: remove unused 'group_changed' in cfq_service_tree_add()
  cfq-iosched: reduce bit operations in cfq_choose_req()
  cfq-iosched: algebraic simplification in cfq_prio_to_maxrq()
  blk-cgroup: Initialize ioc->cgroup_changed at ioc creation time
  block: move bd_set_size() above rescan_partitions() in __blkdev_get()
  block: call elv_bio_merged() when merged
  cfq-iosched: Make IO merge related stats per cpu
  cfq-iosched: Fix a memory leak of per cpu stats for root group
  backing-dev: Kill set but not used var in  bdi_debug_stats_show()
  block: get rid of on-stack plugging debug checks
  blk-throttle: Make no throttling rule group processing lockless
  blk-cgroup: Make cgroup stat reset path blkg->lock free for dispatch stats
  blk-cgroup: Make 64bit per cpu stats safe on 32bit arch
  blk-throttle: Make dispatch stats per cpu
  blk-throttle: Free up a group only after one rcu grace period
  blk-throttle: Use helper function to add root throtl group to lists
  blk-throttle: Introduce a helper function to fill in device details
  blk-throttle: Dynamically allocate root group
  blk-cgroup: Allow sleeping while dynamically allocating a group
  ...

5 files changed, 15 insertions, 9 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 30ea95f43e79..d51f9795c064 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1089,21 +1089,21 @@ static int atapi_drain_needed(struct request *rq)
 static int ata_scsi_dev_config(struct scsi_device *sdev,
 			       struct ata_device *dev)
 {
+	struct request_queue *q = sdev->request_queue;
+
 	if (!ata_id_has_unload(dev->id))
 		dev->flags |= ATA_DFLAG_NO_UNLOAD;
 
 	/* configure max sectors */
-	blk_queue_max_hw_sectors(sdev->request_queue, dev->max_sectors);
+	blk_queue_max_hw_sectors(q, dev->max_sectors);
 
 	if (dev->class == ATA_DEV_ATAPI) {
-		struct request_queue *q = sdev->request_queue;
 		void *buf;
 
 		sdev->sector_size = ATA_SECT_SIZE;
 
 		/* set DMA padding */
-		blk_queue_update_dma_pad(sdev->request_queue,
-					 ATA_DMA_PAD_SZ - 1);
+		blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1);
 
 		/* configure draining */
 		buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);
@@ -1131,8 +1131,7 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 			"sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
 			sdev->sector_size);
 
-	blk_queue_update_dma_alignment(sdev->request_queue,
-				       sdev->sector_size - 1);
+	blk_queue_update_dma_alignment(q, sdev->sector_size - 1);
 
 	if (dev->flags & ATA_DFLAG_AN)
 		set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
@@ -1145,6 +1144,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 		scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth);
 	}
 
+	blk_queue_flush_queueable(q, false);
+
 	dev->sdev = sdev;
 	return 0;
 }
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 8690e31d9932..a0aabd904a51 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -320,6 +320,8 @@ static void pcd_init_units(void)
 		disk->first_minor = unit;
 		strcpy(disk->disk_name, cd->name);	/* umm... */
 		disk->fops = &pcd_bdops;
+		disk->flags = GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
+		disk->events = DISK_EVENT_MEDIA_CHANGE;
 	}
 }
 
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index e427fbe45999..ae15a4ddaa9b 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -625,7 +625,9 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	blk_queue_max_hw_sectors(q, 4096 / 512);
 	gendisk->queue = q;
 	gendisk->fops = &viocd_fops;
-	gendisk->flags = GENHD_FL_CD|GENHD_FL_REMOVABLE;
+	gendisk->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE |
+			 GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
+	gendisk->events = DISK_EVENT_MEDIA_CHANGE;
 	set_capacity(gendisk, 0);
 	gendisk->private_data = d;
 	d->viocd_disk = gendisk;
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index a5ec5a7cb381..6e5123b1d341 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1781,7 +1781,8 @@ static int ide_cd_probe(ide_drive_t *drive)
 
 	ide_cd_read_toc(drive, &sense);
 	g->fops = &idecd_ops;
-	g->flags |= GENHD_FL_REMOVABLE;
+	g->flags |= GENHD_FL_REMOVABLE | GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
+	g->events = DISK_EVENT_MEDIA_CHANGE;
 	add_disk(g);
 	return 0;
 
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 95019c747cc1..4778e2707168 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -636,7 +636,7 @@ static int sr_probe(struct device *dev)
 	disk->first_minor = minor;
 	sprintf(disk->disk_name, "sr%d", minor);
 	disk->fops = &sr_bdops;
-	disk->flags = GENHD_FL_CD;
+	disk->flags = GENHD_FL_CD | GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE;
 	disk->events = DISK_EVENT_MEDIA_CHANGE | DISK_EVENT_EJECT_REQUEST;
 
 	blk_queue_rq_timeout(sdev->request_queue, SR_TIMEOUT);