1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index ed6ee473cc8a..08824e0ef381 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -666,7 +666,7 @@ struct block_device {
         int                     bd_holders;
         bool                    bd_write_holder;
 #ifdef CONFIG_SYSFS
-        struct gendisk *        bd_holder_disk; /* for sysfs slave linkng */
+        struct list_head        bd_holder_disks;
 #endif
         struct block_device *   bd_contains;
         unsigned                bd_block_size;
@@ -2057,12 +2057,18 @@ extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode,
 extern int blkdev_put(struct block_device *bdev, fmode_t mode);
 #ifdef CONFIG_SYSFS
 extern int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
+extern void bd_unlink_disk_holder(struct block_device *bdev,
+                                  struct gendisk *disk);
 #else
 static inline int bd_link_disk_holder(struct block_device *bdev,
                                       struct gendisk *disk)
 {
         return 0;
 }
+static inline void bd_unlink_disk_holder(struct block_device *bdev,
+                                         struct gendisk *disk)
+{
+}
 #endif
 #endif