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Subject[RFC][PATCH 3/7] tracing/mm: create trace_objects.c
Code refactor: create trace_objects.c and move relevant code from trace_mm.c

CC: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
kernel/trace/Makefile | 1 +
kernel/trace/trace.h | 1 +
kernel/trace/trace_mm.c | 22 ----------------------
kernel/trace/trace_objects.c | 26 ++++++++++++++++++++++++++
4 files changed, 28 insertions(+), 22 deletions(-)

--- linux-mmotm.orig/kernel/trace/Makefile 2011-08-28 10:09:25.000000000 +0800
+++ linux-mmotm/kernel/trace/Makefile 2011-08-28 10:09:28.000000000 +0800
@@ -26,6 +26,7 @@ obj-$(CONFIG_RING_BUFFER) += ring_buffer
obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_buffer_benchmark.o

obj-$(CONFIG_TRACING) += trace.o
+obj-$(CONFIG_TRACING) += trace_objects.o
obj-$(CONFIG_TRACING) += trace_output.o
obj-$(CONFIG_TRACING) += trace_stat.o
obj-$(CONFIG_TRACING) += trace_printk.o
--- linux-mmotm.orig/kernel/trace/trace.h 2011-08-28 10:09:25.000000000 +0800
+++ linux-mmotm/kernel/trace/trace.h 2011-08-28 10:09:28.000000000 +0800
@@ -318,6 +318,7 @@ struct dentry *trace_create_file(const c
const struct file_operations *fops);

struct dentry *tracing_init_dentry(void);
+struct dentry *trace_objects_dir(void);

struct ring_buffer_event;

--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-mmotm/kernel/trace/trace_objects.c 2011-08-28 10:09:28.000000000 +0800
@@ -0,0 +1,26 @@
+#include <linux/debugfs.h>
+
+#include "trace.h"
+#include "trace_output.h"
+
+struct dentry *trace_objects_dir(void)
+{
+ static struct dentry *d_objects;
+ struct dentry *d_tracer;
+
+ if (d_objects)
+ return d_objects;
+
+ d_tracer = tracing_init_dentry();
+ if (!d_tracer)
+ return NULL;
+
+ d_objects = debugfs_create_dir("objects", d_tracer);
+ if (!d_objects)
+ pr_warning("Could not create debugfs "
+ "'objects' directory\n");
+
+ return d_objects;
+}
+
+
--- linux-mmotm.orig/kernel/trace/trace_mm.c 2011-08-28 10:09:27.000000000 +0800
+++ linux-mmotm/kernel/trace/trace_mm.c 2011-08-28 10:09:28.000000000 +0800
@@ -95,28 +95,6 @@ static const struct file_operations trac
.write = trace_mm_pfn_range_write,
};

-/* move this into trace_objects.c when that file is created */
-static struct dentry *trace_objects_dir(void)
-{
- static struct dentry *d_objects;
- struct dentry *d_tracer;
-
- if (d_objects)
- return d_objects;
-
- d_tracer = tracing_init_dentry();
- if (!d_tracer)
- return NULL;
-
- d_objects = debugfs_create_dir("objects", d_tracer);
- if (!d_objects)
- pr_warning("Could not create debugfs "
- "'objects' directory\n");
-
- return d_objects;
-}
-
-
static struct dentry *trace_objects_mm_dir(void)
{
static struct dentry *d_mm;



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