public inbox for linux-btrfs@vger.kernel.org
 help / color / mirror / Atom feed
From: Johannes Thumshirn <jthumshirn@suse.de>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>, David Sterba <dsterba@suse.com>
Cc: Linux BTRFS Mailinglist <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 2/2] btrfs: provide an estimated number of inodes for statfs
Date: Fri, 25 Oct 2019 10:55:32 +0200	[thread overview]
Message-ID: <782f4439-1c74-86d5-afc3-cdac906e01d2@suse.de> (raw)
In-Reply-To: <f1ecf175-9b4f-36bb-add7-b95bc26bc5e5@gmx.com>

On 25/10/2019 02:56, Qu Wenruo wrote:
[...]
> Personally speaking, reporting 0 used and 0 free should be the proper
> way. User of the fs should be aware of dynamical fs which doesn't go
> fixed inodes.
> 
> I really think it's BeeFS' job to change their behavior.
> 
> Since there are more thing to consider when faking the used/free inodes.

I'm with you on this. It is something BeeGFS has to fix, but judging
from what other file-systems do, some do have a real fixed number of
inodes, some assign 0 or -1, some do not touch the variable at all and
some (i.e. xfs) fake a number. My role model was xfs here.

-- 
Johannes Thumshirn                            SUSE Labs Filesystems
jthumshirn@suse.de                                +49 911 74053 689
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5
90409 Nürnberg
Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850

  reply	other threads:[~2019-10-25  8:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-24 15:44 [PATCH 0/2] Provide an estimation of (free/total) inodes in statfs Johannes Thumshirn
2019-10-24 15:44 ` [PATCH 1/2] btrfs: remove cached space_info in btrfs_statfs() Johannes Thumshirn
2019-10-25 16:41   ` David Sterba
2019-10-24 15:44 ` [PATCH 2/2] btrfs: provide an estimated number of inodes for statfs Johannes Thumshirn
2019-10-25  0:56   ` Qu Wenruo
2019-10-25  8:55     ` Johannes Thumshirn [this message]
2019-10-25 10:05   ` David Sterba

Reply instructions:

You may reply publicly 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:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

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

  git send-email \
    --in-reply-to=782f4439-1c74-86d5-afc3-cdac906e01d2@suse.de \
    --to=jthumshirn@suse.de \
    --cc=dsterba@suse.com \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=quwenruo.btrfs@gmx.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox