linux-kernel - Re: [f2fs-dev] [PATCH v4] f2fs: compress: add compress

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Date:   Wed, 10 Mar 2021 12:52:52 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Chao Yu <yuchao0@...wei.com>
Cc:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH v4] f2fs: compress: add compress_inode to
 cache compressed blockst

On 03/09, Chao Yu wrote:
> On 2021/3/9 8:01, Jaegeuk Kim wrote:
> > On 03/05, Chao Yu wrote:
> > > On 2021/3/5 4:20, Jaegeuk Kim wrote:
> > > > On 02/27, Jaegeuk Kim wrote:
> > > > > On 02/04, Chao Yu wrote:
> > > > > > Jaegeuk,
> > > > > > 
> > > > > > On 2021/2/2 16:00, Chao Yu wrote:
> > > > > > > -	for (i = 0; i < dic->nr_cpages; i++) {
> > > > > > > +	for (i = 0; i < cc->nr_cpages; i++) {
> > > > > > >     		struct page *page = dic->cpages[i];
> > > > > > 
> > > > > > por_fsstress still hang in this line?
> > > > > 
> > > > > I'm stuck on testing the patches, since the latest kernel is panicking somehow.
> > > > > Let me update later, once I can test a bit. :(
> > > > 
> > > > It seems this works without error.
> > > > https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=4e6e1364dccba80ed44925870b97fbcf989b96c9
> > > 
> > > Ah, good news.
> > > 
> > > Thanks for helping to test the patch. :)
> > 
> > Hmm, I hit this again. Let me check w/o compress_cache back. :(
> 
> Oops :(

Ok, apprantely that panic is caused by compress_cache. The test is running over
24hours w/o it.