On Mon, 2014-11-03 at 16:12 +0800, Ian Kent wrote:
> Use the AUTOFS_*() print defines instead of raw printks.
Please check the output of these conversions.
For instance:
> diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
[]
> @@ -162,7 +162,7 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
> break;
> }
> default:
> - printk("autofs4_notify_daemon: bad type %d!\n", type);
> + AUTOFS_WARN("autofs4_notify_daemon: bad type %d!", type);
> mutex_unlock(&sbi->wq_mutex);
> return;
> }
The current #define is:
#define AUTOFS_WARN(fmt, ...) \
pr_warn("pid %d: %s: " fmt "\n", \
current->pid, __func__, ##__VA_ARGS__)
So this duplicates the function name in the output.
It's probably better to simply use
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
or
#define pr_fmt(fmt) KBUILD_MODNAME ":%d:%s" fmt, current->pid, __func__
if you _really_ want pid/func in the output
and just use pr_<level> instead of AUTOFS_<LEVEL> macros.
And it's better to use a consistent style for
these logging functions ideally with terminating
newlines so there isn't a mix of code with
and without those newlines. That inconsistency
leads to unintended defects.
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