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Subject[PATCH 04/11] dynamic_debug: Convert printks to pr_<level>
From: Joe Perches <joe@perches.com>

Add pr_fmt(fmt) with __func__.
Converts "ddebug:" prefix to "dynamic_debug:".

Most likely the if (verbose) outputs could
also be converted from pr_info to pr_debug.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
---
lib/dynamic_debug.c | 59 ++++++++++++++++++++++----------------------------
1 files changed, 26 insertions(+), 33 deletions(-)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index a3eb6ab..4fc03dd 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -10,6 +10,8 @@
* Copyright (C) 2011 Bart Van Assche. All Rights Reserved.
*/

+#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -160,8 +162,7 @@ static void ddebug_change(const struct ddebug_query *query,
else
dp->enabled = 0;
if (verbose)
- printk(KERN_INFO
- "ddebug: changed %s:%d [%s]%s %s\n",
+ pr_info("changed %s:%d [%s]%s %s\n",
dp->filename, dp->lineno,
dt->mod_name, dp->function,
ddebug_describe_flags(dp, flagbuf,
@@ -171,7 +172,7 @@ static void ddebug_change(const struct ddebug_query *query,
mutex_unlock(&ddebug_lock);

if (!nfound && verbose)
- printk(KERN_INFO "ddebug: no matches for query\n");
+ pr_info("no matches for query\n");
}

/*
@@ -216,10 +217,10 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)

if (verbose) {
int i;
- printk(KERN_INFO "%s: split into words:", __func__);
+ pr_info("split into words:");
for (i = 0 ; i < nwords ; i++)
- printk(" \"%s\"", words[i]);
- printk("\n");
+ pr_cont(" \"%s\"", words[i]);
+ pr_cont("\n");
}

return nwords;
@@ -331,16 +332,15 @@ static int ddebug_parse_query(char *words[], int nwords,
}
} else {
if (verbose)
- printk(KERN_ERR "%s: unknown keyword \"%s\"\n",
- __func__, words[i]);
+ pr_err("unknown keyword \"%s\"\n", words[i]);
return -EINVAL;
}
}

if (verbose)
- printk(KERN_INFO "%s: q->function=\"%s\" q->filename=\"%s\" "
- "q->module=\"%s\" q->format=\"%s\" q->lineno=%u-%u\n",
- __func__, query->function, query->filename,
+ pr_info("q->function=\"%s\" q->filename=\"%s\" "
+ "q->module=\"%s\" q->format=\"%s\" q->lineno=%u-%u\n",
+ query->function, query->filename,
query->module, query->format, query->first_lineno,
query->last_lineno);

@@ -369,7 +369,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp,
return -EINVAL;
}
if (verbose)
- printk(KERN_INFO "%s: op='%c'\n", __func__, op);
+ pr_info("op='%c'\n", op);

for ( ; *str ; ++str) {
for (i = ARRAY_SIZE(opt_array) - 1; i >= 0; i--) {
@@ -384,7 +384,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp,
if (flags == 0)
return -EINVAL;
if (verbose)
- printk(KERN_INFO "%s: flags=0x%x\n", __func__, flags);
+ pr_info("flags=0x%x\n", flags);

/* calculate final *flagsp, *maskp according to mask and op */
switch (op) {
@@ -402,8 +402,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp,
break;
}
if (verbose)
- printk(KERN_INFO "%s: *flagsp=0x%x *maskp=0x%x\n",
- __func__, *flagsp, *maskp);
+ pr_info("*flagsp=0x%x *maskp=0x%x\n", *flagsp, *maskp);
return 0;
}

@@ -508,7 +507,7 @@ static __initdata char ddebug_setup_string[1024];
static __init int ddebug_setup_query(char *str)
{
if (strlen(str) >= 1024) {
- pr_warning("ddebug boot param string too large\n");
+ pr_warn("ddebug boot param string too large\n");
return 0;
}
strcpy(ddebug_setup_string, str);
@@ -536,8 +535,7 @@ static ssize_t ddebug_proc_write(struct file *file, const char __user *ubuf,
return -EFAULT;
tmpbuf[len] = '\0';
if (verbose)
- printk(KERN_INFO "%s: read %d bytes from userspace\n",
- __func__, (int)len);
+ pr_info("read %d bytes from userspace\n", (int)len);

ret = ddebug_exec_query(tmpbuf);
if (ret)
@@ -600,8 +598,7 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos)
int n = *pos;

if (verbose)
- printk(KERN_INFO "%s: called m=%p *pos=%lld\n",
- __func__, m, (unsigned long long)*pos);
+ pr_info("called m=%p *pos=%lld\n", m, (unsigned long long)*pos);

mutex_lock(&ddebug_lock);

@@ -626,8 +623,8 @@ static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos)
struct _ddebug *dp;

if (verbose)
- printk(KERN_INFO "%s: called m=%p p=%p *pos=%lld\n",
- __func__, m, p, (unsigned long long)*pos);
+ pr_info("called m=%p p=%p *pos=%lld\n",
+ m, p, (unsigned long long)*pos);

if (p == SEQ_START_TOKEN)
dp = ddebug_iter_first(iter);
@@ -650,8 +647,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
char flagsbuf[8];

if (verbose)
- printk(KERN_INFO "%s: called m=%p p=%p\n",
- __func__, m, p);
+ pr_info("called m=%p p=%p\n", m, p);

if (p == SEQ_START_TOKEN) {
seq_puts(m,
@@ -676,8 +672,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
static void ddebug_proc_stop(struct seq_file *m, void *p)
{
if (verbose)
- printk(KERN_INFO "%s: called m=%p p=%p\n",
- __func__, m, p);
+ pr_info("called m=%p p=%p\n", m, p);
mutex_unlock(&ddebug_lock);
}

@@ -700,7 +695,7 @@ static int ddebug_proc_open(struct inode *inode, struct file *file)
int err;

if (verbose)
- printk(KERN_INFO "%s: called\n", __func__);
+ pr_info("called\n");

iter = kzalloc(sizeof(*iter), GFP_KERNEL);
if (iter == NULL)
@@ -752,8 +747,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
mutex_unlock(&ddebug_lock);

if (verbose)
- printk(KERN_INFO "%u debug prints in module %s\n",
- n, dt->mod_name);
+ pr_info("%u debug prints in module %s\n", n, dt->mod_name);
return 0;
}
EXPORT_SYMBOL_GPL(ddebug_add_module);
@@ -775,8 +769,7 @@ int ddebug_remove_module(const char *mod_name)
int ret = -ENOENT;

if (verbose)
- printk(KERN_INFO "%s: removing module \"%s\"\n",
- __func__, mod_name);
+ pr_info("removing module \"%s\"\n", mod_name);

mutex_lock(&ddebug_lock);
list_for_each_entry_safe(dt, nextdt, &ddebug_tables, link) {
@@ -852,8 +845,8 @@ static int __init dynamic_debug_init(void)
if (ddebug_setup_string[0] != '\0') {
ret = ddebug_exec_query(ddebug_setup_string);
if (ret)
- pr_warning("Invalid ddebug boot param %s",
- ddebug_setup_string);
+ pr_warn("Invalid ddebug boot param %s",
+ ddebug_setup_string);
else
pr_info("ddebug initialized with string %s",
ddebug_setup_string);
--
1.7.5.4


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