Re: [PATCH 2/2] f2fs: don't skip recovering inode depend on i_times

From: Jaegeuk Kim
Date: Fri Nov 04 2016 - 18:54:03 EST


On Fri, Nov 04, 2016 at 04:30:09PM +0800, Chao Yu wrote:
> On 2016/11/4 2:02, Jaegeuk Kim wrote:
> > On Fri, Nov 04, 2016 at 12:26:56AM +0800, Chao Yu wrote:
> >> From: Chao Yu <yuchao0@xxxxxxxxxx>
> >>
> >> i_times of inode will be set with current system time which can be
> >> configured through 'date', so it's not safe to judge dnode block as
> >> garbage data depend on i_times.
> >
> > This is not to detect garbage data, but to skip redundant unchanged inode.
>
> Oops, seems 807b1e1c8e08 ("f2fs: do not recover from previous remained wrong
> dnodes") did't describe like that. But after reading the codes, it looks like
> the purpose of this change is to skip unchanged inode. So, commit log in
> original is incorrect, right?

Oh, right. This indicats both of purposes: stale data and detecting same inodes.
Let me just revert the original patch.

Thanks,

>
> Thanks,