IB/uverbs: Enable device removal when there are active user space applications

[karo-tx-linux.git] / drivers / infiniband / core / uverbs.h

diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index ea52db1962117f643769e83ec1411f09721aaa99..3863d33c243d80cde7df7c100205d4578aa58d7a 100644 (file)
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -89,12 +89,16 @@ struct ib_uverbs_device {
        int                                     num_comp_vectors;
        struct completion                       comp;
        struct device                          *dev;
-       struct ib_device                       *ib_dev;
+       struct ib_device        __rcu          *ib_dev;
        int                                     devnum;
        struct cdev                             cdev;
        struct rb_root                          xrcd_tree;
        struct mutex                            xrcd_tree_mutex;
        struct kobject                          kobj;
+       struct srcu_struct                      disassociate_srcu;
+       struct mutex                            lists_mutex; /* protect lists */
+       struct list_head                        uverbs_file_list;
+       struct list_head                        uverbs_events_file_list;
 };
 
 struct ib_uverbs_event_file {
@@ -106,6 +110,7 @@ struct ib_uverbs_event_file {
        wait_queue_head_t                       poll_wait;
        struct fasync_struct                   *async_queue;
        struct list_head                        event_list;
+       struct list_head                        list;
 };
 
 struct ib_uverbs_file {
@@ -115,6 +120,8 @@ struct ib_uverbs_file {
        struct ib_ucontext                     *ucontext;
        struct ib_event_handler                 event_handler;
        struct ib_uverbs_event_file            *async_file;
+       struct list_head                        list;
+       int                                     is_closed;
 };
 
 struct ib_uverbs_event {