LKML Archive on
 help / color / Atom feed
From: Chao Yu <>
To: Daniel Rosenberg <>,
	Jaegeuk Kim <>,
	Jonathan Corbet <>,
Cc: <>, <>,
	<>, <>
Subject: Re: [PATCH v3] f2fs: checkpoint disabling
Date: Fri, 10 Aug 2018 16:40:53 +0800
Message-ID: <> (raw)
In-Reply-To: <>

Hi Daniel,

On 2018/8/8 7:48, Daniel Rosenberg wrote:
> This adds a lightweight non-persistent snapshotting scheme to f2fs.
> To use, mount with the option checkpoint=disable, and to return to
> normal operation, remount with checkpoint=enable. If the filesystem
> is shut down before remounting with checkpoint=enable, it will revert
> back to its apparent state when it was first mounted with
> checkpoint=disable. This is useful for situations where you wish to be
> able to roll back the state of the disk in case of some critical
> failure.

When filesystem is full, statfs shown abnormally as below:

/dev/zram0       2095104 -17177769548 17179864652    - /mnt/f2fs

I guess it's related to this patch, could you have a look at this?


  parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-07 23:48 Daniel Rosenberg
2018-08-10  1:35 ` Jaegeuk Kim
2018-08-10  8:40 ` Chao Yu [this message]
2018-08-11  2:50   ` Daniel Rosenberg

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

LKML Archive on

Archives are clonable:
	git clone --mirror lkml/git/0.git
	git clone --mirror lkml/git/1.git
	git clone --mirror lkml/git/2.git
	git clone --mirror lkml/git/3.git
	git clone --mirror lkml/git/4.git
	git clone --mirror lkml/git/5.git
	git clone --mirror lkml/git/6.git
	git clone --mirror lkml/git/7.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 lkml lkml/ \
	public-inbox-index lkml

Newsgroup available over NNTP:

AGPL code for this site: git clone public-inbox