linux-kernel - Re: erofs: Question on unused fields in on-disk structs

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Message-ID: <20190822143841.GC195034@architecture4>
Date:   Thu, 22 Aug 2019 22:38:42 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Richard Weinberger <richard.weinberger@...il.com>
CC:     "Theodore Y. Ts'o" <tytso@....edu>, Gao Xiang <hsiangkao@....com>,
        "Richard Weinberger" <richard@....at>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: erofs: Question on unused fields in on-disk structs

Hi Richard,

On Thu, Aug 22, 2019 at 04:29:44PM +0200, Richard Weinberger wrote:
> On Thu, Aug 22, 2019 at 4:21 PM Theodore Y. Ts'o <tytso@....edu> wrote:
> > It might make life easier for other kernel developers if "features"
> > was named "compat_features" and "requirements" were named
> > "incompat_features", just because of the long-standing use of that in
> > ext2, ext3, ext4, ocfs2, etc.  But that naming scheme really is a
> > legacy of ext2 and its descendents, and there's no real reason why it
> > has to be that way on other file systems.
> 
> Yes, the naming confused me a little. :-)

Sorry for confusing... And thanks, I'm happy that
you give us those reports. and sorry about my poor
English...

Thanks,
Gao Xiang

> 
> -- 
> Thanks,
> //richard