* btrfs 3.16.2 does not recognize subvolumes correctly
@ 2014-10-02 8:42 Jogi Hofmüller
2014-10-03 10:40 ` Jogi Hofmüller
0 siblings, 1 reply; 4+ messages in thread
From: Jogi Hofmüller @ 2014-10-02 8:42 UTC (permalink / raw)
To: linux-btrfs
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Hi all,
I just noticed that when doing a 'btrfs subvolume show /' I get the
error 'ERROR: / doesn't belong to btrfs mount point', which is not quite
true. I get the same error for all the other subvolumes as well. It
worked fine until 3.14.1.
Regards,
--
J.Hofmüller
ich zitiere wie Espenlaub.
https://twitter.com/TheGurkenkaiser/status/463444397678690304
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: btrfs 3.16.2 does not recognize subvolumes correctly
2014-10-02 8:42 btrfs 3.16.2 does not recognize subvolumes correctly Jogi Hofmüller
@ 2014-10-03 10:40 ` Jogi Hofmüller
2014-10-03 16:53 ` Omar Sandoval
0 siblings, 1 reply; 4+ messages in thread
From: Jogi Hofmüller @ 2014-10-03 10:40 UTC (permalink / raw)
To: linux-btrfs
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Hi all,
First of all, I am talking about btrfs-progs 3.16.2 if there was any doubt.
I did some more checking and found the following disturbing results.
I can still create snapshots of subvolumes and the default subvolume (/)
without problems. But sending the snapshot fails with the error:
ERROR: /.SNAPSHOT doesn't belong to btrfs mount point
btrfs subvolume list -a /
ID 259 gen 21444 top level 5 path home
ID 260 gen 21443 top level 5 path var
ID 742 gen 18830 top level 5 path .SNAPSHOT
ID 743 gen 18832 top level 259 path home/.SNAPSHOT
But then again e.g.
btrfs subvolume show /home
ERROR: /home doesn't belong to btrfs mount point
All this is happening on my laptop running kernel 3.16.3. (Debian).
Interestingly enough I have another machine where only the default
subvolume makes problems but another subvolume can be snapshotted and
the snapshot send. This machine uses kernel 3.14.15.
Please let me know what I can do to fix this.
Regards,
--
J.Hofmüller
ich zitiere wie Espenlaub.
https://twitter.com/TheGurkenkaiser/status/463444397678690304
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: btrfs 3.16.2 does not recognize subvolumes correctly
2014-10-03 10:40 ` Jogi Hofmüller
@ 2014-10-03 16:53 ` Omar Sandoval
2014-10-03 18:10 ` Jogi Hofmüller
0 siblings, 1 reply; 4+ messages in thread
From: Omar Sandoval @ 2014-10-03 16:53 UTC (permalink / raw)
To: Jogi Hofmüller; +Cc: linux-btrfs
On Fri, Oct 03, 2014 at 12:40:33PM +0200, Jogi Hofmüller wrote:
> Hi all,
>
> First of all, I am talking about btrfs-progs 3.16.2 if there was any doubt.
>
> I did some more checking and found the following disturbing results.
>
> I can still create snapshots of subvolumes and the default subvolume (/)
> without problems. But sending the snapshot fails with the error:
>
> ERROR: /.SNAPSHOT doesn't belong to btrfs mount point
>
> btrfs subvolume list -a /
>
> ID 259 gen 21444 top level 5 path home
> ID 260 gen 21443 top level 5 path var
> ID 742 gen 18830 top level 5 path .SNAPSHOT
> ID 743 gen 18832 top level 259 path home/.SNAPSHOT
>
> But then again e.g.
>
> btrfs subvolume show /home
> ERROR: /home doesn't belong to btrfs mount point
>
> All this is happening on my laptop running kernel 3.16.3. (Debian).
>
> Interestingly enough I have another machine where only the default
> subvolume makes problems but another subvolume can be snapshotted and
> the snapshot send. This machine uses kernel 3.14.15.
>
> Please let me know what I can do to fix this.
There was a similar issue in btrfs-progs 3.16 that was fixed in 3.16.1 by this
commit:
https://git.kernel.org/cgit/linux/kernel/git/mason/btrfs-progs.git/commit/?id=6a47725a6fb8a463dd60611800222c7297195588
I'd do a quick `btrfs --version` just to make sure you're running the version
you think you are. Otherwise, the output of `mount` might shed some light on why
you're getting this.
--
Omar
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: btrfs 3.16.2 does not recognize subvolumes correctly
2014-10-03 16:53 ` Omar Sandoval
@ 2014-10-03 18:10 ` Jogi Hofmüller
0 siblings, 0 replies; 4+ messages in thread
From: Jogi Hofmüller @ 2014-10-03 18:10 UTC (permalink / raw)
To: linux-btrfs
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Hi Omar,
Am 2014-10-03 um 18:53 schrieb Omar Sandoval:
> There was a similar issue in btrfs-progs 3.16 that was fixed in 3.16.1 by this
> commit:
> https://git.kernel.org/cgit/linux/kernel/git/mason/btrfs-progs.git/commit/?id=6a47725a6fb8a463dd60611800222c7297195588
>
> I'd do a quick `btrfs --version` just to make sure you're running the version
> you think you are. Otherwise, the output of `mount` might shed some light on why
> you're getting this.
Turns out I am still using btrfs-progs 3.16 :( Don't know where I came
across the version 3.16.2 that I put in the subject. Gee, embarrassing.
Sorry for the noise. Hope 3.16.1 will be available in Debian testing soon.
Regards,
--
j.hofmüller
Gerüchtegenerator http://plagi.at/geruecht
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2014-10-02 8:42 btrfs 3.16.2 does not recognize subvolumes correctly Jogi Hofmüller
2014-10-03 10:40 ` Jogi Hofmüller
2014-10-03 16:53 ` Omar Sandoval
2014-10-03 18:10 ` Jogi Hofmüller
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