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Message-ID: <20200417161516.GA17901@google.com>
Date: Fri, 17 Apr 2020 09:15:16 -0700
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: Chao Yu <yuchao0@...wei.com>
Cc: Sahitya Tummala <stummala@...eaurora.org>,
linux-kernel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: prevent meta updates while checkpoint
is in progress
Hi Sahitya,
Could you please test this patch fully? I didn't test at all.
Thanks,
On 04/17, Chao Yu wrote:
> On 2020/4/17 5:40, Jaegeuk Kim wrote:
> > On 04/14, Jaegeuk Kim wrote:
> >> On 04/13, Jaegeuk Kim wrote:
> >>> On 04/03, Jaegeuk Kim wrote:
> >>>> On 04/03, Jaegeuk Kim wrote:
> >>>>> On 04/01, Sahitya Tummala wrote:
> >>>>>> Hi Jaegeuk,
> >>>>>>
> >>>>>> Got it.
> >>>>>> The diff below looks good to me.
> >>>>>> Would you like me to test it and put a patch for this?
> >>>>>
> >>>>> Sahitya, Chao,
> >>>>>
> >>>>> Could you please take a look at this patch and test intensively?
> >>>>>
> >>>>> Thanks,
> >
> > v5:
> > - add signal handler
> >
> > Sahitya raised an issue:
> > - prevent meta updates while checkpoint is in progress
> >
> > allocate_segment_for_resize() can cause metapage updates if
> > it requires to change the current node/data segments for resizing.
> > Stop these meta updates when there is a checkpoint already
> > in progress to prevent inconsistent CP data.
> >
> > Signed-off-by: Sahitya Tummala <stummala@...eaurora.org>
> > Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
>
> Reviewed-by: Chao Yu <yuchao0@...wei.com>
>
> Thanks,
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