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"?
