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From: Anand Jain <anand.jain@oracle.com>
To: Qu Wenruo <quwenruo@cn.fujitsu.com>
Cc: Dave Chinner <david@fromorbit.com>,
	fstests@vger.kernel.org, btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Ideas to do custom operation just after mount?
Date: Mon, 21 Dec 2015 13:18:22 +0800	[thread overview]
Message-ID: <56778B9E.8050900@oracle.com> (raw)
In-Reply-To: <5677662F.2060806@cn.fujitsu.com>



> BTW, any good idea for btrfs to do such operation like
> enabling/disabling some minor features? Especially when it can be set on
> individual file/dirs.
>
> Features like incoming write time deduplication, is designed to be
> enabled/disabled for individual file/dirs, so it's not a quite good idea
> to use mount option to do it.
>
> Although some feature, like btrfs quota(qgroup), should be implemented
> by mount option though.
> I don't understand why qgroup is enabled/disabled by ioctl. :(


mount option won't persist across systems/computers unless remembered by 
human.


Thanks, Anand

  reply	other threads:[~2015-12-21  5:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-17  1:55 Ideas to do custom operation just after mount? Qu Wenruo
2015-12-17  1:55 ` Qu Wenruo
2015-12-21  0:16 ` Dave Chinner
2015-12-21  2:25   ` Qu Wenruo
2015-12-21  2:25     ` Qu Wenruo
2015-12-21  2:38     ` Qu Wenruo
2015-12-21  2:38       ` Qu Wenruo
2015-12-21  5:18       ` Anand Jain [this message]
2015-12-22  0:14         ` Kai Krakow
2015-12-22  0:14           ` Kai Krakow
2015-12-22  9:28           ` Duncan
2015-12-23 23:17         ` Dave Chinner

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