string: factorize skip_spaces and export it to be generally available

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

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 4da4a75..a632359 100644 (file)
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -40,16 +40,11 @@ struct cfq_io_context {
        struct io_context *ioc;
 
        unsigned long last_end_request;
-       sector_t last_request_pos;
 
        unsigned long ttime_total;
        unsigned long ttime_samples;
        unsigned long ttime_mean;
 
-       unsigned int seek_samples;
-       u64 seek_total;
-       sector_t seek_mean;
-
        struct list_head queue_list;
        struct hlist_node cic_list;
 
@@ -73,6 +68,10 @@ struct io_context {
        unsigned short ioprio;
        unsigned short ioprio_changed;
 
+#ifdef CONFIG_BLK_CGROUP
+       unsigned short cgroup_changed;
+#endif
+
        /*
         * For request batching
         */
@@ -99,14 +98,15 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc)
        return NULL;
 }
 
+struct task_struct;
 #ifdef CONFIG_BLOCK
 int put_io_context(struct io_context *ioc);
-void exit_io_context(void);
+void exit_io_context(struct task_struct *task);
 struct io_context *get_io_context(gfp_t gfp_flags, int node);
 struct io_context *alloc_io_context(gfp_t gfp_flags, int node);
 void copy_io_context(struct io_context **pdst, struct io_context **psrc);
 #else
-static inline void exit_io_context(void)
+static inline void exit_io_context(struct task_struct *task)
 {
 }