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Message-ID: <20070930140013.GB16981@Krystal>
Date: Sun, 30 Sep 2007 10:00:13 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To: akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, "Frank Ch. Eigler" <fche@...hat.com>,
Christoph Hellwig <hch@...radead.org>,
Rusty Russell <rusty@...tcorp.com.au>
Subject: Linux Kernel Markers - Coding Style Fixes
Linux Kernel Markers - Coding Style Fixes
- Use struct marker instead of struct __mark_marker.
- Change a "private_data" parameter name for "private".
- DEFINE_MUTEX(markers_mutex) is made static.
This patch applies after linux-kernel-markers.patch.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC: Rusty Russell <rusty@...tcorp.com.au>
---
include/linux/marker.h | 18 +++++++++---------
include/linux/module.h | 2 +-
kernel/marker.c | 22 ++++++++++------------
3 files changed, 20 insertions(+), 22 deletions(-)
Index: linux-2.6-lttng/include/linux/marker.h
===================================================================
--- linux-2.6-lttng.orig/include/linux/marker.h 2007-09-30 09:33:48.000000000 -0400
+++ linux-2.6-lttng/include/linux/marker.h 2007-09-30 09:35:13.000000000 -0400
@@ -15,11 +15,11 @@
#include <linux/types.h>
struct module;
-struct __mark_marker;
+struct marker;
/**
* marker_probe_func - Type of a marker probe function
- * @mdata: pointer of type struct __mark_marker
+ * @mdata: pointer of type struct marker
* @private_data: caller site private data
* @fmt: format string
* @...: variable argument list
@@ -27,10 +27,10 @@ struct __mark_marker;
* Type of marker probe functions. They receive the mdata and need to parse the
* format string to recover the variable argument list.
*/
-typedef void marker_probe_func(const struct __mark_marker *mdata,
+typedef void marker_probe_func(const struct marker *mdata,
void *private_data, const char *fmt, ...);
-struct __mark_marker {
+struct marker {
const char *name; /* Marker name */
const char *format; /* Marker format string, describing the
* variable argument list.
@@ -57,7 +57,7 @@ struct __mark_marker {
static const char __mstrtab_format_##name[] \
__attribute__((section("__markers_strings"))) \
= format; \
- static struct __mark_marker __mark_##name \
+ static struct marker __mark_##name \
__attribute__((section("__markers"))) = \
{ __mstrtab_name_##name, __mstrtab_format_##name, \
0, __mark_empty_function, NULL }; \
@@ -72,13 +72,13 @@ struct __mark_marker {
} \
} while (0)
-extern void marker_update_probe_range(struct __mark_marker *begin,
- struct __mark_marker *end, struct module *probe_module, int *refcount);
+extern void marker_update_probe_range(struct marker *begin,
+ struct marker *end, struct module *probe_module, int *refcount);
#else /* !CONFIG_MARKERS */
#define __trace_mark(name, call_data, format, args...) \
__mark_check_format(format, ## args)
-static inline void marker_update_probe_range(struct __mark_marker *begin,
- struct __mark_marker *end, struct module *probe_module, int *refcount)
+static inline void marker_update_probe_range(struct marker *begin,
+ struct marker *end, struct module *probe_module, int *refcount)
{ }
#endif /* CONFIG_MARKERS */
Index: linux-2.6-lttng/include/linux/module.h
===================================================================
--- linux-2.6-lttng.orig/include/linux/module.h 2007-09-30 09:35:26.000000000 -0400
+++ linux-2.6-lttng/include/linux/module.h 2007-09-30 09:35:35.000000000 -0400
@@ -372,7 +372,7 @@ struct module
keeping pointers to this stuff */
char *args;
#ifdef CONFIG_MARKERS
- struct __mark_marker *markers;
+ struct marker *markers;
unsigned int num_markers;
#endif
};
Index: linux-2.6-lttng/kernel/marker.c
===================================================================
--- linux-2.6-lttng.orig/kernel/marker.c 2007-09-30 09:35:48.000000000 -0400
+++ linux-2.6-lttng/kernel/marker.c 2007-09-30 09:44:14.000000000 -0400
@@ -24,14 +24,14 @@
#include <linux/marker.h>
#include <linux/err.h>
-extern struct __mark_marker __start___markers[];
-extern struct __mark_marker __stop___markers[];
+extern struct marker __start___markers[];
+extern struct marker __stop___markers[];
/*
* module_mutex nests inside markers_mutex. Markers mutex protects the builtin
* and module markers, the hash table and deferred_sync.
*/
-DEFINE_MUTEX(markers_mutex);
+static DEFINE_MUTEX(markers_mutex);
/*
* Marker deferred synchronization.
@@ -63,7 +63,7 @@ static struct hlist_head marker_table[MA
/**
* __mark_empty_function - Empty probe callback
- * @mdata: pointer of type const struct __mark_marker
+ * @mdata: pointer of type const struct marker
* @fmt: format string
* @...: variable argument list
*
@@ -72,8 +72,7 @@ static struct hlist_head marker_table[MA
* though the function pointer change and the marker enabling are two distinct
* operations that modifies the execution flow of preemptible code.
*/
-void __mark_empty_function(const struct __mark_marker *mdata,
- void *private_data,
+void __mark_empty_function(const struct marker *mdata, void *private,
const char *fmt, ...)
{
}
@@ -207,8 +206,7 @@ static int marker_set_format(struct mark
/*
* Sets the probe callback corresponding to one marker.
*/
-static int set_marker(struct marker_entry **entry,
- struct __mark_marker *elem)
+static int set_marker(struct marker_entry **entry, struct marker *elem)
{
int ret;
WARN_ON(strcmp((*entry)->name, elem->name) != 0);
@@ -240,7 +238,7 @@ static int set_marker(struct marker_entr
* empty function insures that the original callback is not used anymore. This
* insured by preemption disabling around the call site.
*/
-static void disable_marker(struct __mark_marker *elem)
+static void disable_marker(struct marker *elem)
{
elem->state = 0;
elem->call = __mark_empty_function;
@@ -261,11 +259,11 @@ static void disable_marker(struct __mark
* Updates the probe callback corresponding to a range of markers.
* Must be called with markers_mutex held.
*/
-void marker_update_probe_range(struct __mark_marker *begin,
- struct __mark_marker *end, struct module *probe_module,
+void marker_update_probe_range(struct marker *begin,
+ struct marker *end, struct module *probe_module,
int *refcount)
{
- struct __mark_marker *iter;
+ struct marker *iter;
struct marker_entry *mark_entry;
for (iter = begin; iter < end; iter++) {
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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