linux-kernel - Re: [PATCH v2] f2fs: fix to avoid page count leak

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Message-ID: <20200421032513.GA134303@google.com>
Date:   Mon, 20 Apr 2020 20:25:13 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Chao Yu <yuchao0@...wei.com>
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, chao@...nel.org
Subject: Re: [PATCH v2] f2fs: fix to avoid page count leak

On 04/21, Chao Yu wrote:
> Hi Jaegeuk,
> 
> Let's drop this patch, I encounter bad page state (nonzero refcount) reported
> by vm w/ this patch.

Ok.

> 
> On 2020/4/15 10:13, Chao Yu wrote:
> > In f2fs_read_data_pages(), once we add page into radix tree, we need to
> > release reference count of that page, however when f2fs_read_multi_pages()
> > fails, we didn't handle that case correctly, fix it.
> > 
> > Fixes: 4c8ff7095bef ("f2fs: support data compression")
> > Signed-off-by: Chao Yu <yuchao0@...wei.com>