Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index e2f6790..02e9fca 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -536,7 +536,7 @@ void register_disk(struct gendisk *disk)
        disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
 
        /* No minors to use for partitions */
-       if (!disk_partitionable(disk))
+       if (!disk_part_scan_enabled(disk))
                goto exit;
 
        /* No such device (e.g., media were just removed) */
@@ -611,6 +611,12 @@ void add_disk(struct gendisk *disk)
        register_disk(disk);
        blk_register_queue(disk);
 
+       /*
+        * Take an extra ref on queue which will be put on disk_release()
+        * so that it sticks around as long as @disk is there.
+        */
+       WARN_ON_ONCE(blk_get_queue(disk->queue));
+
        retval = sysfs_create_link(&disk_to_dev(disk)->kobj, &bdi->dev->kobj,
                                   "bdi");
        WARN_ON(retval);
@@ -841,7 +847,7 @@ static int show_partition(struct seq_file *seqf, void *v)
        char buf[BDEVNAME_SIZE];
 
        /* Don't show non-partitionable removeable devices or empty devices */
-       if (!get_capacity(sgp) || (!disk_partitionable(sgp) &&
+       if (!get_capacity(sgp) || (!disk_max_parts(sgp) &&
                                   (sgp->flags & GENHD_FL_REMOVABLE)))
                return 0;
        if (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)
@@ -1095,6 +1101,8 @@ static void disk_release(struct device *dev)
        disk_replace_part_tbl(disk, NULL);
        free_part_stats(&disk->part0);
        free_part_info(&disk->part0);
+       if (disk->queue)
+               blk_put_queue(disk->queue);
        kfree(disk);
 }
 struct class block_class = {