block: Immutable bio vecs

[firefly-linux-kernel-4.4.55.git] / include / linux / blk_types.h

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 29b5b84d8a29a73a9358f29e171545fa221d08d6..d369f8f6af79e46c8260b8996246cdf59b16744c 100644 (file)
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -34,6 +34,9 @@ struct bvec_iter {
        unsigned int            bi_size;        /* residual I/O count */
 
        unsigned int            bi_idx;         /* current index into bvl_vec */
+
+       unsigned int            bi_bvec_done;   /* number of bytes completed in
+                                                  current bvec */
 };
 
 /*