Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing: Remove comparing of NULL to va_list in trace_array_vprintk()
  tracing: Fix function graph trace_pipe to properly display failed entries
  tracing: Add full state to trace_seq
  tracing: Buffer the output of seq_file in case of filled buffer
  tracing: Only call pipe_close if pipe_close is defined
  tracing: Add pipe_close interface

2 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 47bbdf9c38d0..38f8d6553831 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -57,6 +57,7 @@ struct trace_iterator {
         /* The below is zeroed out in pipe_read */
         struct trace_seq        seq;
         struct trace_entry      *ent;
+        int                     leftover;
         int                     cpu;
         u64                     ts;
 
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index 09077f6ed128..5cf397ceb726 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -14,6 +14,7 @@ struct trace_seq {
         unsigned char           buffer[PAGE_SIZE];
         unsigned int            len;
         unsigned int            readpos;
+        int                     full;
 };
 
 static inline void
@@ -21,6 +22,7 @@ trace_seq_init(struct trace_seq *s)
 {
         s->len = 0;
         s->readpos = 0;
+        s->full = 0;
 }
 
 /*
@@ -33,7 +35,7 @@ extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
         __attribute__ ((format (printf, 2, 0)));
 extern int
 trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
-extern void trace_print_seq(struct seq_file *m, struct trace_seq *s);
+extern int trace_print_seq(struct seq_file *m, struct trace_seq *s);
 extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
                                  size_t cnt);
 extern int trace_seq_puts(struct trace_seq *s, const char *str);
@@ -55,8 +57,9 @@ trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
         return 0;
 }
 
-static inline void trace_print_seq(struct seq_file *m, struct trace_seq *s)
+static inline int trace_print_seq(struct seq_file *m, struct trace_seq *s)
 {
+        return 0;
 }
 static inline ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
                                  size_t cnt)