Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/sysemu/block-backend.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index b693dfb8f0..7b12563c65 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -227,6 +227,7 @@ void blk_eject(BlockBackend *blk, bool eject_flag);
 int blk_get_flags(BlockBackend *blk);
 uint32_t blk_get_request_alignment(BlockBackend *blk);
 uint32_t blk_get_max_transfer(BlockBackend *blk);
+/* Returns the maximum number of iovec elements */
 int blk_get_max_iov(BlockBackend *blk);
 void blk_set_guest_block_size(BlockBackend *blk, int align);
 /* callers must free the returned pointer with qemu_vfree() */
-- 
2.21.3