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author | Jim Cromie <jim.cromie@gmail.com> | 2012-04-27 14:30:32 -0600 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-30 13:35:30 -0400 |
commit | b8ccd5dee776d85e29cf139c77595b7369e294bc (patch) | |
tree | e46fe649436eba9a6023b751a7bad85c3f40075d /lib/dynamic_debug.c | |
parent | c0a6720977f89c50473366af965ae28cd8fce923 (diff) | |
download | lwn-b8ccd5dee776d85e29cf139c77595b7369e294bc.tar.gz lwn-b8ccd5dee776d85e29cf139c77595b7369e294bc.zip |
dynamic_debug: replace if (verbose) pr_info with macro vpr_info
Use vpr_info to declutter code, reduce indenting, and change one
additional pr_info call in ddebug_exec_queries.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/dynamic_debug.c')
-rw-r--r-- | lib/dynamic_debug.c | 81 |
1 files changed, 35 insertions, 46 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 310c753cf83e..8675717c0f16 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -107,20 +107,22 @@ static char *ddebug_describe_flags(struct _ddebug *dp, char *buf, return buf; } -#define vpr_info_dq(q, msg) \ -do { \ - if (verbose) \ - /* trim last char off format print */ \ - pr_info("%s: func=\"%s\" file=\"%s\" " \ - "module=\"%s\" format=\"%.*s\" " \ - "lineno=%u-%u", \ - msg, \ - q->function ? q->function : "", \ - q->filename ? q->filename : "", \ - q->module ? q->module : "", \ - (int)(q->format ? strlen(q->format) - 1 : 0), \ - q->format ? q->format : "", \ - q->first_lineno, q->last_lineno); \ +#define vpr_info(fmt, ...) \ + if (verbose) do { pr_info(fmt, ##__VA_ARGS__); } while (0) + +#define vpr_info_dq(q, msg) \ +do { \ + /* trim last char off format print */ \ + vpr_info("%s: func=\"%s\" file=\"%s\" " \ + "module=\"%s\" format=\"%.*s\" " \ + "lineno=%u-%u", \ + msg, \ + q->function ? q->function : "", \ + q->filename ? q->filename : "", \ + q->module ? q->module : "", \ + (int)(q->format ? strlen(q->format) - 1 : 0), \ + q->format ? q->format : "", \ + q->first_lineno, q->last_lineno); \ } while (0) /* @@ -180,12 +182,11 @@ static int ddebug_change(const struct ddebug_query *query, if (newflags == dp->flags) continue; dp->flags = newflags; - if (verbose) - pr_info("changed %s:%d [%s]%s =%s\n", - trim_prefix(dp->filename), dp->lineno, - dt->mod_name, dp->function, - ddebug_describe_flags(dp, flagbuf, - sizeof(flagbuf))); + vpr_info("changed %s:%d [%s]%s =%s\n", + trim_prefix(dp->filename), dp->lineno, + dt->mod_name, dp->function, + ddebug_describe_flags(dp, flagbuf, + sizeof(flagbuf))); } } mutex_unlock(&ddebug_lock); @@ -410,8 +411,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp, default: return -EINVAL; } - if (verbose) - pr_info("op='%c'\n", op); + vpr_info("op='%c'\n", op); for ( ; *str ; ++str) { for (i = ARRAY_SIZE(opt_array) - 1; i >= 0; i--) { @@ -423,8 +423,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp, if (i < 0) return -EINVAL; } - if (verbose) - pr_info("flags=0x%x\n", flags); + vpr_info("flags=0x%x\n", flags); /* calculate final *flagsp, *maskp according to mask and op */ switch (op) { @@ -441,8 +440,7 @@ static int ddebug_parse_flags(const char *str, unsigned int *flagsp, *flagsp = 0; break; } - if (verbose) - pr_info("*flagsp=0x%x *maskp=0x%x\n", *flagsp, *maskp); + vpr_info("*flagsp=0x%x *maskp=0x%x\n", *flagsp, *maskp); return 0; } @@ -487,8 +485,7 @@ static int ddebug_exec_queries(char *query) if (!query || !*query || *query == '#') continue; - if (verbose) - pr_info("query %d: \"%s\"\n", i, query); + vpr_info("query %d: \"%s\"\n", i, query); rc = ddebug_exec_query(query); if (rc < 0) { @@ -498,7 +495,7 @@ static int ddebug_exec_queries(char *query) nfound += rc; i++; } - pr_info("processed %d queries, with %d matches, %d errs\n", + vpr_info("processed %d queries, with %d matches, %d errs\n", i, nfound, errs); if (exitcode) @@ -653,8 +650,7 @@ static ssize_t ddebug_proc_write(struct file *file, const char __user *ubuf, return -EFAULT; } tmpbuf[len] = '\0'; - if (verbose) - pr_info("read %d bytes from userspace\n", (int)len); + vpr_info("read %d bytes from userspace\n", (int)len); ret = ddebug_exec_queries(tmpbuf); kfree(tmpbuf); @@ -717,8 +713,7 @@ static void *ddebug_proc_start(struct seq_file *m, loff_t *pos) struct _ddebug *dp; int n = *pos; - if (verbose) - pr_info("called m=%p *pos=%lld\n", m, (unsigned long long)*pos); + vpr_info("called m=%p *pos=%lld\n", m, (unsigned long long)*pos); mutex_lock(&ddebug_lock); @@ -742,9 +737,8 @@ static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos) struct ddebug_iter *iter = m->private; struct _ddebug *dp; - if (verbose) - pr_info("called m=%p p=%p *pos=%lld\n", - m, p, (unsigned long long)*pos); + vpr_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); @@ -766,8 +760,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) struct _ddebug *dp = p; char flagsbuf[10]; - if (verbose) - pr_info("called m=%p p=%p\n", m, p); + vpr_info("called m=%p p=%p\n", m, p); if (p == SEQ_START_TOKEN) { seq_puts(m, @@ -791,8 +784,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) */ static void ddebug_proc_stop(struct seq_file *m, void *p) { - if (verbose) - pr_info("called m=%p p=%p\n", m, p); + vpr_info("called m=%p p=%p\n", m, p); mutex_unlock(&ddebug_lock); } @@ -815,8 +807,7 @@ static int ddebug_proc_open(struct inode *inode, struct file *file) struct ddebug_iter *iter; int err; - if (verbose) - pr_info("called\n"); + vpr_info("called\n"); iter = kzalloc(sizeof(*iter), GFP_KERNEL); if (iter == NULL) @@ -866,8 +857,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n, list_add_tail(&dt->link, &ddebug_tables); mutex_unlock(&ddebug_lock); - if (verbose) - pr_info("%u debug prints in module %s\n", n, dt->mod_name); + vpr_info("%u debug prints in module %s\n", n, dt->mod_name); return 0; } EXPORT_SYMBOL_GPL(ddebug_add_module); @@ -888,8 +878,7 @@ int ddebug_remove_module(const char *mod_name) struct ddebug_table *dt, *nextdt; int ret = -ENOENT; - if (verbose) - pr_info("removing module \"%s\"\n", mod_name); + vpr_info("removing module \"%s\"\n", mod_name); mutex_lock(&ddebug_lock); list_for_each_entry_safe(dt, nextdt, &ddebug_tables, link) { |