aio: remove unused field

[safe/jmp/linux-2.6] / include / linux / aio.h

diff --git a/include/linux/aio.h b/include/linux/aio.h
index f6b8cf9..811dbb3 100644 (file)
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -5,6 +5,7 @@
 #include <linux/workqueue.h>
 #include <linux/aio_abi.h>
 #include <linux/uio.h>
+#include <linux/rcupdate.h>
 
 #include <asm/atomic.h>
 
@@ -101,7 +102,6 @@ struct kiocb {
        } ki_obj;
 
        __u64                   ki_user_data;   /* user's data for completion */
-       wait_queue_t            ki_wait;
        loff_t                  ki_pos;
 
        void                    *private;
@@ -120,9 +120,9 @@ struct kiocb {
 
        /*
         * If the aio_resfd field of the userspace iocb is not zero,
-        * this is the underlying file* to deliver event to.
+        * this is the underlying eventfd context to deliver events to.
         */
-       struct file             *ki_eventfd;
+       struct eventfd_ctx      *ki_eventfd;
 };
 
 #define is_sync_kiocb(iocb)    ((iocb)->ki_key == KIOCB_SYNC_KEY)
@@ -139,7 +139,6 @@ struct kiocb {
                (x)->ki_dtor = NULL;                    \
                (x)->ki_obj.tsk = tsk;                  \
                (x)->ki_user_data = 0;                  \
-               init_wait((&(x)->ki_wait));             \
        } while (0)
 
 #define AIO_RING_MAGIC                 0xa10a10a1
@@ -183,7 +182,7 @@ struct kioctx {
 
        /* This needs improving */
        unsigned long           user_id;
-       struct kioctx           *next;
+       struct hlist_node       list;
 
        wait_queue_head_t       wait;
 
@@ -199,6 +198,8 @@ struct kioctx {
        struct aio_ring_info    ring_info;
 
        struct delayed_work     wq;
+
+       struct rcu_head         rcu_head;
 };
 
 /* prototypes */
@@ -220,10 +221,6 @@ struct mm_struct;
 static inline void exit_aio(struct mm_struct *mm) { }
 #endif /* CONFIG_AIO */
 
-#define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
-
-#include <linux/aio_abi.h>
-
 static inline struct kiocb *list_kiocb(struct list_head *h)
 {
        return list_entry(h, struct kiocb, ki_list);