linux-kernel - Re: [PATCH] erofs: move erofs out of staging

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Date:   Sat, 17 Aug 2019 23:19:50 +0200 (CEST)
From:   Richard Weinberger <richard@....at>
To:     Gao Xiang <hsiangkao@....com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        devel@...verdev.osuosl.org, linux-erofs@...ts.ozlabs.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, tytso <tytso@....edu>,
        Pavel Machek <pavel@...x.de>, David Sterba <dsterba@...e.cz>,
        Amir Goldstein <amir73il@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Dave Chinner <david@...morbit.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>, Jan Kara <jack@...e.cz>,
        torvalds <torvalds@...ux-foundation.org>,
        Chao Yu <yuchao0@...wei.com>, Miao Xie <miaoxie@...wei.com>,
        Li Guifu <bluce.liguifu@...wei.com>,
        Fang Wei <fangwei1@...wei.com>,
        Gao Xiang <gaoxiang25@...wei.com>
Subject: Re: [PATCH] erofs: move erofs out of staging

----- Ursprüngliche Mail -----
> Von: "Gao Xiang" <hsiangkao@....com>
> An: "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>, "Al Viro" <viro@...iv.linux.org.uk>, "linux-fsdevel"
> <linux-fsdevel@...r.kernel.org>, devel@...verdev.osuosl.org, linux-erofs@...ts.ozlabs.org, "linux-kernel"
> <linux-kernel@...r.kernel.org>
> CC: "Andrew Morton" <akpm@...ux-foundation.org>, "Stephen Rothwell" <sfr@...b.auug.org.au>, "tytso" <tytso@....edu>,
> "Pavel Machek" <pavel@...x.de>, "David Sterba" <dsterba@...e.cz>, "Amir Goldstein" <amir73il@...il.com>, "Christoph
> Hellwig" <hch@...radead.org>, "Darrick J . Wong" <darrick.wong@...cle.com>, "Dave Chinner" <david@...morbit.com>,
> "Jaegeuk Kim" <jaegeuk@...nel.org>, "Jan Kara" <jack@...e.cz>, "richard" <richard@....at>, "torvalds"
> <torvalds@...ux-foundation.org>, "Chao Yu" <yuchao0@...wei.com>, "Miao Xie" <miaoxie@...wei.com>, "Li Guifu"
> <bluce.liguifu@...wei.com>, "Fang Wei" <fangwei1@...wei.com>, "Gao Xiang" <gaoxiang25@...wei.com>
> Gesendet: Samstag, 17. August 2019 10:23:13
> Betreff: [PATCH] erofs: move erofs out of staging

> EROFS filesystem has been merged into linux-staging for a year.
> 
> EROFS is designed to be a better solution of saving extra storage
> space with guaranteed end-to-end performance for read-only files
> with the help of reduced metadata, fixed-sized output compression
> and decompression inplace technologies.
 
How does erofs compare to squashfs?
IIUC it is designed to be faster. Do you have numbers?
Feel free to point me older mails if you already showed numbers,
I have to admit I didn't follow the development very closely.

Thanks,
//richard