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Message-Id: <20221201110349.1282687-3-christoph.boehmwalder@linbit.com>
Date: Thu, 1 Dec 2022 12:03:47 +0100
From: Christoph Böhmwalder
<christoph.boehmwalder@...bit.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: drbd-dev@...ts.linbit.com, linux-kernel@...r.kernel.org,
Lars Ellenberg <lars.ellenberg@...bit.com>,
Philipp Reisner <philipp.reisner@...bit.com>,
linux-block@...r.kernel.org,
Christoph Böhmwalder
<christoph.boehmwalder@...bit.com>
Subject: [PATCH 2/5] drbd: split polymorph printk to its own file
Signed-off-by: Christoph Böhmwalder <christoph.boehmwalder@...bit.com>
---
drivers/block/drbd/drbd_int.h | 68 +-------------------
drivers/block/drbd/drbd_polymorph_printk.h | 72 ++++++++++++++++++++++
2 files changed, 73 insertions(+), 67 deletions(-)
create mode 100644 drivers/block/drbd/drbd_polymorph_printk.h
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index ea92df778c66..1734a7f8a096 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -37,6 +37,7 @@
#include "drbd_strings.h"
#include "drbd_state.h"
#include "drbd_protocol.h"
+#include "drbd_polymorph_printk.h"
#ifdef __CHECKER__
# define __protected_by(x) __attribute__((require_context(x,1,999,"rdwr")))
@@ -75,73 +76,6 @@ extern int drbd_proc_details;
struct drbd_device;
struct drbd_connection;
-#define __drbd_printk_device(level, device, fmt, args...) \
- dev_printk(level, disk_to_dev((device)->vdisk), fmt, ## args)
-#define __drbd_printk_peer_device(level, peer_device, fmt, args...) \
- dev_printk(level, disk_to_dev((peer_device)->device->vdisk), fmt, ## args)
-#define __drbd_printk_resource(level, resource, fmt, args...) \
- printk(level "drbd %s: " fmt, (resource)->name, ## args)
-#define __drbd_printk_connection(level, connection, fmt, args...) \
- printk(level "drbd %s: " fmt, (connection)->resource->name, ## args)
-
-void drbd_printk_with_wrong_object_type(void);
-
-#define __drbd_printk_if_same_type(obj, type, func, level, fmt, args...) \
- (__builtin_types_compatible_p(typeof(obj), type) || \
- __builtin_types_compatible_p(typeof(obj), const type)), \
- func(level, (const type)(obj), fmt, ## args)
-
-#define drbd_printk(level, obj, fmt, args...) \
- __builtin_choose_expr( \
- __drbd_printk_if_same_type(obj, struct drbd_device *, \
- __drbd_printk_device, level, fmt, ## args), \
- __builtin_choose_expr( \
- __drbd_printk_if_same_type(obj, struct drbd_resource *, \
- __drbd_printk_resource, level, fmt, ## args), \
- __builtin_choose_expr( \
- __drbd_printk_if_same_type(obj, struct drbd_connection *, \
- __drbd_printk_connection, level, fmt, ## args), \
- __builtin_choose_expr( \
- __drbd_printk_if_same_type(obj, struct drbd_peer_device *, \
- __drbd_printk_peer_device, level, fmt, ## args), \
- drbd_printk_with_wrong_object_type()))))
-
-#define drbd_dbg(obj, fmt, args...) \
- drbd_printk(KERN_DEBUG, obj, fmt, ## args)
-#define drbd_alert(obj, fmt, args...) \
- drbd_printk(KERN_ALERT, obj, fmt, ## args)
-#define drbd_err(obj, fmt, args...) \
- drbd_printk(KERN_ERR, obj, fmt, ## args)
-#define drbd_warn(obj, fmt, args...) \
- drbd_printk(KERN_WARNING, obj, fmt, ## args)
-#define drbd_info(obj, fmt, args...) \
- drbd_printk(KERN_INFO, obj, fmt, ## args)
-#define drbd_emerg(obj, fmt, args...) \
- drbd_printk(KERN_EMERG, obj, fmt, ## args)
-
-#define dynamic_drbd_dbg(device, fmt, args...) \
- dynamic_dev_dbg(disk_to_dev(device->vdisk), fmt, ## args)
-
-#define D_ASSERT(x, exp) \
- do { \
- if (!(exp)) \
- drbd_err(x, "ASSERTION %s FAILED in %s\n", \
- #exp, __func__); \
- } while (0)
-
-/**
- * expect - Make an assertion
- *
- * Unlike the assert macro, this macro returns a boolean result.
- */
-#define expect(exp) ({ \
- bool _bool = (exp); \
- if (!_bool) \
- drbd_err(device, "ASSERTION %s FAILED in %s\n", \
- #exp, __func__); \
- _bool; \
- })
-
/* Defines to control fault insertion */
enum {
DRBD_FAULT_MD_WR = 0, /* meta data write */
diff --git a/drivers/block/drbd/drbd_polymorph_printk.h b/drivers/block/drbd/drbd_polymorph_printk.h
new file mode 100644
index 000000000000..13cc1b311e16
--- /dev/null
+++ b/drivers/block/drbd/drbd_polymorph_printk.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef DRBD_POLYMORPH_PRINTK_H
+#define DRBD_POLYMORPH_PRINTK_H
+
+#define __drbd_printk_device(level, device, fmt, args...) \
+ dev_printk(level, disk_to_dev((device)->vdisk), fmt, ## args)
+#define __drbd_printk_peer_device(level, peer_device, fmt, args...) \
+ dev_printk(level, disk_to_dev((peer_device)->device->vdisk), fmt, ## args)
+#define __drbd_printk_resource(level, resource, fmt, args...) \
+ printk(level "drbd %s: " fmt, (resource)->name, ## args)
+#define __drbd_printk_connection(level, connection, fmt, args...) \
+ printk(level "drbd %s: " fmt, (connection)->resource->name, ## args)
+
+void drbd_printk_with_wrong_object_type(void);
+
+#define __drbd_printk_if_same_type(obj, type, func, level, fmt, args...) \
+ (__builtin_types_compatible_p(typeof(obj), type) || \
+ __builtin_types_compatible_p(typeof(obj), const type)), \
+ func(level, (const type)(obj), fmt, ## args)
+
+#define drbd_printk(level, obj, fmt, args...) \
+ __builtin_choose_expr( \
+ __drbd_printk_if_same_type(obj, struct drbd_device *, \
+ __drbd_printk_device, level, fmt, ## args), \
+ __builtin_choose_expr( \
+ __drbd_printk_if_same_type(obj, struct drbd_resource *, \
+ __drbd_printk_resource, level, fmt, ## args), \
+ __builtin_choose_expr( \
+ __drbd_printk_if_same_type(obj, struct drbd_connection *, \
+ __drbd_printk_connection, level, fmt, ## args), \
+ __builtin_choose_expr( \
+ __drbd_printk_if_same_type(obj, struct drbd_peer_device *, \
+ __drbd_printk_peer_device, level, fmt, ## args), \
+ drbd_printk_with_wrong_object_type()))))
+
+#define drbd_dbg(obj, fmt, args...) \
+ drbd_printk(KERN_DEBUG, obj, fmt, ## args)
+#define drbd_alert(obj, fmt, args...) \
+ drbd_printk(KERN_ALERT, obj, fmt, ## args)
+#define drbd_err(obj, fmt, args...) \
+ drbd_printk(KERN_ERR, obj, fmt, ## args)
+#define drbd_warn(obj, fmt, args...) \
+ drbd_printk(KERN_WARNING, obj, fmt, ## args)
+#define drbd_info(obj, fmt, args...) \
+ drbd_printk(KERN_INFO, obj, fmt, ## args)
+#define drbd_emerg(obj, fmt, args...) \
+ drbd_printk(KERN_EMERG, obj, fmt, ## args)
+
+#define dynamic_drbd_dbg(device, fmt, args...) \
+ dynamic_dev_dbg(disk_to_dev(device->vdisk), fmt, ## args)
+
+#define D_ASSERT(x, exp) \
+ do { \
+ if (!(exp)) \
+ drbd_err(x, "ASSERTION %s FAILED in %s\n", \
+ #exp, __func__); \
+ } while (0)
+
+/**
+ * expect - Make an assertion
+ *
+ * Unlike the assert macro, this macro returns a boolean result.
+ */
+#define expect(exp) ({ \
+ bool _bool = (exp); \
+ if (!_bool) \
+ drbd_err(device, "ASSERTION %s FAILED in %s\n", \
+ #exp, __func__); \
+ _bool; \
+ })
+
+#endif
--
2.38.1
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