Re: [PATCH -next] fuse: return the more nuanced writeback error on close()

[chenxiaosong (A)]

在 2022/5/18 22:51, Al Viro 写道:
> On Wed, May 18, 2022 at 10:57:29PM +0800, ChenXiaoSong wrote:
>
> > +	/* return more nuanced writeback errors */
> >   	if (err)
> > -		return err;
> > +		return filemap_check_wb_err(file->f_mapping, 0);
> >   
> >   	err = 0;
>
> As an aside, what the hell is that err = 0 about?  Before or after
> that patch, that is - "let's make err zero, in case it had somehow
> magically changed ceased to be so since if (err) bugger_off just above"?
>
> .
err = 0 is no longer needed after if (err), I will send v2 patch to 
remove the redundant code.