block: move bdev_disk_changed
[linux-2.6-microblaze.git] / fs / block_dev.c
index ac9b3c1..5b3a73e 100644 (file)
@@ -1242,59 +1242,6 @@ static void blkdev_flush_mapping(struct block_device *bdev)
        bdev_write_inode(bdev);
 }
 
-int bdev_disk_changed(struct block_device *bdev, bool invalidate)
-{
-       struct gendisk *disk = bdev->bd_disk;
-       int ret = 0;
-
-       lockdep_assert_held(&disk->open_mutex);
-
-       if (!(disk->flags & GENHD_FL_UP))
-               return -ENXIO;
-
-rescan:
-       if (disk->open_partitions)
-               return -EBUSY;
-       sync_blockdev(bdev);
-       invalidate_bdev(bdev);
-       blk_drop_partitions(disk);
-
-       clear_bit(GD_NEED_PART_SCAN, &disk->state);
-
-       /*
-        * Historically we only set the capacity to zero for devices that
-        * support partitions (independ of actually having partitions created).
-        * Doing that is rather inconsistent, but changing it broke legacy
-        * udisks polling for legacy ide-cdrom devices.  Use the crude check
-        * below to get the sane behavior for most device while not breaking
-        * userspace for this particular setup.
-        */
-       if (invalidate) {
-               if (disk_part_scan_enabled(disk) ||
-                   !(disk->flags & GENHD_FL_REMOVABLE))
-                       set_capacity(disk, 0);
-       }
-
-       if (get_capacity(disk)) {
-               ret = blk_add_partitions(disk, bdev);
-               if (ret == -EAGAIN)
-                       goto rescan;
-       } else if (invalidate) {
-               /*
-                * Tell userspace that the media / partition table may have
-                * changed.
-                */
-               kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE);
-       }
-
-       return ret;
-}
-/*
- * Only exported for loop and dasd for historic reasons.  Don't use in new
- * code!
- */
-EXPORT_SYMBOL_GPL(bdev_disk_changed);
-
 static int blkdev_get_whole(struct block_device *bdev, fmode_t mode)
 {
        struct gendisk *disk = bdev->bd_disk;