fs,block: get holder during claim

[linux-2.6-microblaze.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f9b87c3..c3e8f7c 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1505,6 +1505,16 @@ struct blk_holder_ops {
         * Thaw the file system mounted on the block device.
         */
        int (*thaw)(struct block_device *bdev);
+
+       /*
+        * If needed, get a reference to the holder.
+        */
+       void (*get_holder)(void *holder);
+
+       /*
+        * Release the holder.
+        */
+       void (*put_holder)(void *holder);
 };
 
 /*