From: Ulli Horlacher <framstag@rus.uni-stuttgart.de>
To: linux-btrfs@vger.kernel.org
Subject: Re: finding root filesystem of a subvolume?
Date: Tue, 22 Aug 2017 15:12:13 +0200 [thread overview]
Message-ID: <20170822131213.GC14804@rus.uni-stuttgart.de> (raw)
In-Reply-To: <fb1f381a-9f88-95cf-529c-2b12059fdae7@rqc.ru>
On Tue 2017-08-22 (15:58), Marat Khalili wrote:
> On 22/08/17 15:50, Ulli Horlacher wrote:
>
> > It seems, I have to scan the subvolume path upwards until I found a real
> > mount point,
>
> I think searching /proc/mounts for the same device and subvol=/ in
> options is most straightforward.
I have no subvol=/ option at all:
root@fex:~# grep btrfs /proc/mounts
/dev/sdf1 /backup btrfs rw,relatime,compress=zlib,space_cache 0 0
/dev/sde1 /local btrfs rw,relatime,compress=zlib,space_cache 0 0
> But what makes you think it's mounted at all?
I am only interested in mounted volumes.
--
Ullrich Horlacher Server und Virtualisierung
Rechenzentrum TIK
Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de
Allmandring 30a Tel: ++49-711-68565868
70569 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/
REF:<fb1f381a-9f88-95cf-529c-2b12059fdae7@rqc.ru>
next prev parent reply other threads:[~2017-08-22 13:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-22 12:23 finding root filesystem of a subvolume? Ulli Horlacher
2017-08-22 12:40 ` Hugo Mills
2017-08-22 12:50 ` Ulli Horlacher
2017-08-22 12:58 ` Marat Khalili
2017-08-22 13:12 ` Ulli Horlacher [this message]
2017-08-22 13:41 ` Marat Khalili
2017-08-22 13:27 ` Austin S. Hemmelgarn
2017-08-22 13:30 ` Ulli Horlacher
2017-08-22 13:37 ` Austin S. Hemmelgarn
2017-08-22 13:45 ` Marat Khalili
2017-08-22 13:53 ` Ulli Horlacher
2017-08-22 14:12 ` Austin S. Hemmelgarn
2017-08-22 14:23 ` Hugo Mills
2017-08-22 14:37 ` Austin S. Hemmelgarn
2017-08-22 14:43 ` Peter Grandi
2017-08-22 15:03 ` Austin S. Hemmelgarn
2017-08-22 15:45 ` Ulli Horlacher
2017-08-22 16:48 ` Roman Mamedov
2017-08-22 17:41 ` Peter Grandi
2017-08-23 12:07 ` Austin S. Hemmelgarn
2017-08-23 13:14 ` Axel Burri
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