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From: Goffredo Baroncelli <kreijack@inwind.it>
To: "Fajar A. Nugraha" <list@fajar.net>
Cc: cwillu <cwillu@cwillu.com>, Anand jain <Anand.Jain@oracle.com>,
	linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [Request for review] [RFC] Add label support for snapshots and subvols
Date: Fri, 02 Nov 2012 00:04:59 +0100	[thread overview]
Message-ID: <5093001B.9080009@inwind.it> (raw)
In-Reply-To: <CAG1y0sd-F6WrUFsvwAx+7LGD+V7a6XCoP9=XEkADPEAyEL1G1w@mail.gmail.com>

On 11/01/2012 11:28 PM, Fajar A. Nugraha wrote:
> On Fri, Nov 2, 2012 at 5:16 AM, cwillu <cwillu@cwillu.com> wrote:
>>>  btrfs fi label -t /btrfs/snap1-sv1
>>> Prod-DB-sand-box-testing
>>
>> Why is this better than:
>>
>> # btrfs su snap /btrfs/Prod-DB /btrfs/Prod-DB-sand-box-testing
>> # mv /btrfs/Prod-DB-sand-box-testing /btrfs/Prod-DB-production-test
>> # ls /btrfs/
>> Prod-DB  Prod-DB-production-test
> 
> 
> ... because it would mean possibilty to decouple subvol name from
> whatever-data-you-need (in this case, a label).
> 

Could you elaborate how this solution is different from using xattr ?
I think also that these labels could be changed (like xattr). ?

These info should be associated to the inode of the subvolume root. We
could use a specific name in the system namespace, like
"system.btrfslabel" even tough I didn't see any advantage to using the
"user" namespace...


-- 
gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it>
Key fingerprint BBF5 1610 0B64 DAC6 5F7D  17B2 0EDA 9B37 8B82 E0B5

  parent reply	other threads:[~2012-11-01 23:04 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-01 10:46 [Request for review] [RFC] Add label support for snapshots and subvols Anand jain
2012-11-01 10:46 ` [PATCH 1/2] Btrfs-progs: move open_file_or_dir() to utils.c Anand jain
2012-11-01 10:46 ` [PATCH 2/2] Btrfs-progs: add feature to label subvol and snapshot Anand jain
2012-11-01 10:46 ` [PATCH] Btrfs: add label to snapshot and subvol Anand jain
2012-11-05  7:39   ` Jan Schmidt
2012-11-16  5:15     ` Anand Jain
2012-11-01 22:16 ` [Request for review] [RFC] Add label support for snapshots and subvols cwillu
2012-11-01 22:28   ` Fajar A. Nugraha
2012-11-01 22:32     ` Hugo Mills
2012-11-01 22:49       ` Fajar A. Nugraha
2012-11-05  7:24         ` Anand Jain
2012-11-05 23:22           ` David Sterba
2012-11-01 23:04     ` Goffredo Baroncelli [this message]
2012-11-16  4:52 ` [Request for review v2] " Anand jain
2012-11-16  4:52   ` [PATCH 1/3] Btrfs-progs: move open_file_or_dir() to utils.c Anand jain
2012-11-16  4:52   ` [PATCH v2] Btrfs: add label to snapshot and subvol Anand jain
2012-11-16  6:33     ` Miao Xie
2012-11-27 18:26       ` Anand Jain
2012-11-16  4:52   ` [PATCH 2/3] Btrfs-progs: add feature to label subvol and snapshot Anand jain
2012-11-16  4:52   ` [PATCH 3/3] Btrfs-progs: cmd option to show or set the subvol label Anand jain
2012-11-27 18:29 ` [Request for review v3] [RFC] Add label support for snapshots and subvols Anand jain
2012-11-27 18:29   ` [PATCH v3] Btrfs: add label to snapshot and subvol Anand jain
2012-11-28  3:05     ` Miao Xie
2012-11-28 10:02       ` Anand Jain
2012-11-28 10:25         ` Miao Xie
2012-11-28 12:17           ` Anand Jain
2012-11-28 12:15     ` Anand jain
2012-11-27 18:29   ` [PATCH 1/3] Btrfs-progs: move open_file_or_dir() to utils.c Anand jain
2012-11-27 18:29   ` [PATCH 2/3] Btrfs-progs: add feature to label subvol and snapshot Anand jain
2012-11-27 18:29   ` [PATCH 3/3] Btrfs-progs: cmd option to show or set the subvol label Anand jain
2012-11-30 15:47 ` [PATCH 0/3] Add subvol and snapshot attribute label Anand jain
2012-11-30 15:48   ` [PATCH 1/3] Btrfs-progs: move open_file_or_dir() to utils.c Anand jain
2012-11-30 15:48   ` [PATCH 2/3] Btrfs-progs: add attribute label for subvol and snapshot Anand jain
2012-11-30 15:48   ` [PATCH 3/3] Btrfs-progs: cmd option to show or set the subvol label Anand jain
2013-02-25  5:31 ` [PATCH 0/2 v4] Btrfs-progs: Add support for " Anand Jain
2013-02-25  5:31   ` [PATCH 1/2 v4] Btrfs-progs: add feature to label subvol and snapshot Anand Jain
2013-02-25  5:31   ` [PATCH 2/2 v4] Btrfs-progs: cmd option to show or set the subvol label Anand Jain
2013-02-25  5:31 ` [PATCH v4] Btrfs: Add support for " Anand Jain
2013-02-25  5:31   ` [PATCH v4] Btrfs: ability to add label to snapshot and subvol Anand Jain
2013-02-25 20:45     ` Hugo Mills
2013-03-01 10:36       ` Anand Jain

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