linux-kernel - Re: [PATCH] erofs: Use common kernel logging style

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Message-ID: <31cb3e54fe532630b45bb74ba4fc688eb86eab1f.camel@perches.com>
Date:   Sun, 18 Aug 2019 22:47:17 -0700
From:   Joe Perches <joe@...ches.com>
To:     Gao Xiang <gaoxiang25@...wei.com>
Cc:     Gao Xiang <hsiangkao@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        devel <devel@...verdev.osuosl.org>,
        linux-erofs <linux-erofs@...ts.ozlabs.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Chao Yu <yuchao0@...wei.com>, Miao Xie <miaoxie@...wei.com>,
        Li Guifu <bluce.liguifu@...wei.com>,
        Fang Wei <fangwei1@...wei.com>
Subject: Re: [PATCH] erofs: Use common kernel logging style

On Mon, 2019-08-19 at 13:52 +0800, Gao Xiang wrote:
> Hi Joe,

Hello.

> On Sun, Aug 18, 2019 at 10:28:41PM -0700, Joe Perches wrote:
> > Rename errln, infoln, and debugln to the typical pr_<level> uses
> > to the typical kernel styles of pr_<level>
> 
> How about using erofs_err / ... to instead that?

<shrug>  I've no opinion.
It seems most fs/*/* filesystems actually do use pr_<level>
sed works well if you want that.

>  - I can hardly see directly use pr_<level> for those filesystems in fs/...

just fyi:

There was this one existing pr_<level> use in erofs

drivers/staging/erofs/data.c:366:                               pr_err("%s, readahead error at page %lu of nid %llu\n",
drivers/staging/erofs/data.c-367-                                      __func__, page->index,
drivers/staging/erofs/data.c-368-                                      EROFS_V(mapping->host)->nid);