X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Fvdev_impl.h;h=8862d9bc98544d6534fbe75a9813f4cb2b8fdacf;hb=395350c85d9903beba43bac7ae79092ae25f1526;hp=161bd21f05a6eea1e7fd8ff04d307ab1692fac06;hpb=6283f55ea1b91e680386388c17d14b89e344fa8d;p=zfs.git

diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h
index 161bd21..8862d9b 100644
--- a/include/sys/vdev_impl.h
+++ b/include/sys/vdev_impl.h
@@ -49,6 +49,7 @@ extern "C" {
  * Forward declarations that lots of things need.
  */
 typedef struct vdev_queue vdev_queue_t;
+typedef struct vdev_io vdev_io_t;
 typedef struct vdev_cache vdev_cache_t;
 typedef struct vdev_cache_entry vdev_cache_entry_t;
 
@@ -102,9 +103,15 @@ struct vdev_queue {
 	avl_tree_t	vq_read_tree;
 	avl_tree_t	vq_write_tree;
 	avl_tree_t	vq_pending_tree;
+	list_t		vq_io_list;
 	kmutex_t	vq_lock;
 };
 
+struct vdev_io {
+	char		vi_buffer[SPA_MAXBLOCKSIZE]; /* Must be first */
+	list_node_t	vi_node;
+};
+
 /*
  * Virtual device descriptor
  */
@@ -261,6 +268,7 @@ typedef struct vdev_label {
 #define	VDEV_ALLOC_L2CACHE	3
 #define	VDEV_ALLOC_ROOTPOOL	4
 #define	VDEV_ALLOC_SPLIT	5
+#define	VDEV_ALLOC_ATTACH	6
 
 /*
  * Allocate or free a vdev