linux-kernel - Re: [f2fs-dev] [PATCH v2] f2fs: retry to update the inode page given EIO

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Message-ID: <Y78E9NpDxtvr2/Hs@google.com>
Date:   Wed, 11 Jan 2023 10:50:28 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Chao Yu <chao@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, stable@...r.kernel.org
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: retry to update the inode page given
 EIO

On 01/11, Chao Yu wrote:
> On 2023/1/11 9:20, Jaegeuk Kim wrote:
> > In f2fs_update_inode_page, f2fs_get_node_page handles EIO along with
> > f2fs_handle_page_eio that stops checkpoint, if the disk couldn't be recovered.
> > As a result, we don't need to stop checkpoint right away given single EIO.
> 
> f2fs_handle_page_eio() only covers the case that EIO occurs on the same
> page, should we cover the case EIO occurs on different pages?

Which case are you looking at?

> 
> Thanks,
> 
> > 
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Randall Huang <huangrandall@...gle.com>
> > Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> > ---
> > 
> >   Change log from v1:
> >    - fix a bug
> > 
> >   fs/f2fs/inode.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
> > index ff6cf66ed46b..2ed7a621fdf1 100644
> > --- a/fs/f2fs/inode.c
> > +++ b/fs/f2fs/inode.c
> > @@ -719,7 +719,7 @@ void f2fs_update_inode_page(struct inode *inode)
> >   	if (IS_ERR(node_page)) {
> >   		int err = PTR_ERR(node_page);
> > -		if (err == -ENOMEM) {
> > +		if (err == -ENOMEM || (err == -EIO && !f2fs_cp_error(sbi))) {
> >   			cond_resched();
> >   			goto retry;
> >   		} else if (err != -ENOENT) {