1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 48f41b991adb..48ec8862a11a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1057,6 +1057,23 @@ static inline int blk_integrity_rq(struct request *rq)
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
+struct file;
+struct inode;
+
+struct block_device_operations {
+        int (*open) (struct inode *, struct file *);
+        int (*release) (struct inode *, struct file *);
+        int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
+        long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
+        long (*compat_ioctl) (struct file *, unsigned, unsigned long);
+        int (*direct_access) (struct block_device *, sector_t,
+                                                void **, unsigned long *);
+        int (*media_changed) (struct gendisk *);
+        int (*revalidate_disk) (struct gendisk *);
+        int (*getgeo)(struct block_device *, struct hd_geometry *);
+        struct module *owner;
+};
+
 #else /* CONFIG_BLOCK */
 /*
  * stubs for when the block layer is configured out