Austin S Hemmelgarn posted on Wed, 09 Dec 2015 14:04:06 -0500 as
excerpted:
> Agreed. It's not too bad fixing a Gentoo system (as long as
> /var/lib/portage/world is still correct, you can just nuke the installed
> package database and emerge world, it'll take time, but it will get your
> system
Chris Murphy posted on Wed, 09 Dec 2015 12:39:01 -0700 as excerpted:
> On Wed, Dec 9, 2015 at 10:28 AM, David Hampton
> wrote:
>> On Wed, 2015-12-09 at 16:48 +, Duncan wrote:
>>> David Hampton posted on Wed, 09 Dec 2015 01:30:09 -0500 as excerpted:
>>>
>>> > Seems I need to upgrade my tools.
Introduce a new mount option "nologreplay" to co-operate with "ro" mount
option to get real readonly mount, like "norecovery" in ext* and xfs.
Since the new parse_options() need to check new flags at remount time,
so add a new parameter for parse_options().
Signed-off-by: Qu Wenruo
Reviewed-by:
Chandan Rajendra wrote on 2015/12/08 15:36 +0530:
On Tuesday 08 Dec 2015 14:10:33 Qu Wenruo wrote:
Introduce a new mount option "nologreplay" to co-operate with "ro" mount
option to get real readonly mount, like "norecovery" in ext* and xfs.
Since the new parse_options() need to check new fla
On Wed, Dec 09, 2015 at 11:29:48PM +, Filipe Manana wrote:
> On Wed, Dec 9, 2015 at 11:05 PM, Gerald Hopf
> wrote:
> >
> >>> kernel BUG at fs/btrfs/extent-tree.c:1833!
> >>
> >> We got this fixed in 4.4-rc1:
> >>
> >>
> >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit
On Wed, Dec 9, 2015 at 11:05 PM, Gerald Hopf wrote:
>
>>> kernel BUG at fs/btrfs/extent-tree.c:1833!
>>
>> We got this fixed in 4.4-rc1:
>>
>>
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c3cf7d5f6105bb957df125dfce61d4483b8742d
>>
>> https://git.kernel.org/cgit/li
kernel BUG at fs/btrfs/extent-tree.c:1833!
We got this fixed in 4.4-rc1:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c3cf7d5f6105bb957df125dfce61d4483b8742d
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b06c4bf5c874a57254b197f53ddf58
1. better practices, we really need to tell users, and documentation
writers, that using dd (or variant) to copy Btrfs volumes has a
consequence and should not be used to make copies.
2. Btrfs needs a better way to make a copy of a volume when there are
snapshots (including even rw snapshots);
Sorry his message 4 hours ago mentioned 14.10.
On Thu, Dec 10, 2015 at 8:41 AM, David Hampton
wrote:
> Ubuntu 14.04 actually ships with the 3.13 kernel. I had already
> upgraded it to 3.19 from the Ubuntu 15.04 release.
>
> I'm pretty sure I created the btrfs partition, not the MythBuntu
> insta
Ubuntu 14.04 actually ships with the 3.13 kernel. I had already
upgraded it to 3.19 from the Ubuntu 15.04 release.
I'm pretty sure I created the btrfs partition, not the MythBuntu
installer. I don't remember if that was even an option.
David
On Wed, 2015-12-09 at 14:28 -0700, Chris Murphy wro
On Wed, Dec 9, 2015 at 12:56 PM, Gareth Pye wrote:
> I wouldn't blame Ubuntu too much, 14.10 went out of support months ago
OP reported 3.19.0-32-generic #37~14.04.1-Ubuntu. And 14.04 is LTS
supported until 2019. I think it should have something newer for both
kernel and progs, if it's going to o
This is a Mythbuntu system, and the latest they support is 14.04.
Thanks for all the responses.
David
On Thu, 2015-12-10 at 06:56 +1100, Gareth Pye wrote:
> I wouldn't blame Ubuntu too much, 14.10 went out of support months ago
> (which counts as a long time when it's only for people happy to
>
zieg...@uni-freiburg.de writes:
> mi-tse,
>
> wie sieht's aus, haste den File runtergeladen?
>
> S-li
Huh?
Luis
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mi-tse,
wie sieht's aus, haste den File runtergeladen?
S-li
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On Thu, Dec 03, 2015 at 12:59:50PM +0100, Christoph Hellwig wrote:
> The btrfs clone ioctls are now adopted by other file systems, with NFS
> and CIFS already having support for them, and XFS being under active
> development. To avoid growth of various slightly incompatible
> implementations, add
On Tue, Dec 08, 2015 at 03:26:41PM +0800, Zhao Lei wrote:
> Hi, Dave Chinner
>
> > -Original Message-
> > From: Dave Chinner [mailto:da...@fromorbit.com]
> > Sent: Tuesday, December 08, 2015 6:12 AM
> > To: Zhaolei
> > Cc: fste...@vger.kernel.org; linux-btrfs@vger.kernel.org
> > Subject:
I wouldn't blame Ubuntu too much, 14.10 went out of support months ago
(which counts as a long time when it's only for people happy to
upgrade every 6 months).
The kernel ppa's builds tend to run fine on the latest LTS & regular
releases, although they can cause issues (I've had some fun with
nvid
On Wed, Dec 9, 2015 at 10:28 AM, David Hampton
wrote:
> On Wed, 2015-12-09 at 16:48 +, Duncan wrote:
>> David Hampton posted on Wed, 09 Dec 2015 01:30:09 -0500 as excerpted:
>>
>> > Seems I need to upgrade my tools. That command was added in 3.18 and I
>> > only have the 3.12 tools.
>>
>> Def
On Wed, 2015-12-09 at 16:48 +, Duncan wrote:
> David Hampton posted on Wed, 09 Dec 2015 01:30:09 -0500 as excerpted:
>
> > Seems I need to upgrade my tools. That command was added in 3.18 and I
> > only have the 3.12 tools.
>
> Definitely so, especially because you're running raid6, which wa
On 2015-12-09 05:53, Duncan wrote:
> Christoph Anton Mitterer posted on Wed, 09 Dec 2015 05:36:37 +0100 as
> excerpted:
>
>> On Fri, 2015-11-27 at 01:02 +, Duncan wrote:
>> [snip snap]
>>> #2 The point I was trying to make, now, to mount it you'll mount not a
>>> native nested subvol, and not
On Sat, Dec 05, 2015 at 09:57:18AM +, Wang, Zhiye wrote:
> Hi all,
>
>
> If I understand it correctly, defragment operation is done in user space
> tools, while scrub/re-balance is done in kernel thread.
Defragment is done via a IOCTL, so it also works in the kernel.
>
>
> So, if my kern
David Hampton posted on Wed, 09 Dec 2015 01:30:09 -0500 as excerpted:
> Seems I need to upgrade my tools. That command was added in 3.18 and I
> only have the 3.12 tools.
Definitely so, especially because you're running raid6, which wasn't
stable until 4.1 for both kernel and userspace. 3.12?
Christoph Anton Mitterer posted on Wed, 09 Dec 2015 06:45:47 +0100 as
excerpted:
> On 2015-11-27 00:08, Duncan wrote:
>> Christoph Anton Mitterer posted on Thu, 26 Nov 2015 01:23:59 +0100 as
>> excerpted:
>>> 1) AFAIU, the fragmentation problem exists especially for those files
>>> that see many r
On 2015-11-27 03:02, Duncan wrote:
>>> Then there's the security angle to consider. With the (basically,
>>> possibly modified as I suggested) flat layout, mounting something
>>> doesn't automatically give people in-tree access to nested subvolumes
>>> (subject to normal file permissions, of cours
Christoph Anton Mitterer posted on Wed, 09 Dec 2015 06:43:01 +0100 as
excerpted:
> Hey Hugo,
>
>
> On Thu, 2015-11-26 at 00:33 +, Hugo Mills wrote:
>
>> The issue is that nodatacow bypasses the transactional nature of
>> the FS, making changes to live data immediately. This then means that
Christoph Anton Mitterer posted on Wed, 09 Dec 2015 06:07:38 +0100 as
excerpted:
> Well as I've said, getting that in via USB may be only one way.
> We're already so far that GNOME&Co. automount devices when plugged...
Ugh. ... And many know that's the sort of thing that made MS so much of
a se
Christoph Anton Mitterer posted on Wed, 09 Dec 2015 05:38:02 +0100 as
excerpted:
> On Fri, 2015-11-27 at 02:02 +, Duncan wrote:
>> Consider a setuid-root binary with a recently publicized but patched on
>> your system vuln. But if you have root snapshots from before the patch
>> and those sn
Can anyone help me with this question?
Not only the kernel space API freeze_bdev, but also the IO control which can be
called from user space.
-Original Message-
From: Wang, Zhiye
Sent: Saturday, December 5, 2015 5:57 PM
To: linux-btrfs@vger.kernel.org
Subject: freeze_bdev and scrub/r
Christoph Anton Mitterer posted on Wed, 09 Dec 2015 05:36:37 +0100 as
excerpted:
> On Fri, 2015-11-27 at 01:02 +, Duncan wrote:
> [snip snap]
>> #2 The point I was trying to make, now, to mount it you'll mount not a
>> native nested subvol, and not a directly available sibling
>> 5/subvols/hom
Hi,
Trying to run a balance on a filesystem results in the below dmesg output.
Kernel is 4.1.13 from kernel.org.
System is running in AWS (hence the Xen stuff).
INFO: task btrfs:28938 blocked for more than 120 seconds.
Not tainted 4.1.13-dg1 #1
"echo 0 > /proc/sys/kernel/hung_task_timeo
aking-of-ordered-extents-after-direct-IO-write-error/20151209-182927
> config: x86_64-randconfig-x008-12090811 (attached as .config)
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All errors (new ones prefixed by
Hi Filipe,
[auto build test ERROR on v4.4-rc4]
[also build test ERROR on next-20151208]
[cannot apply to btrfs/next]
url:
https://github.com/0day-ci/linux/commits/fdmanana-kernel-org/Btrfs-fix-leaking-of-ordered-extents-after-direct-IO-write-error/20151209-182927
config: x86_64-randconfig
From: Filipe Manana
When doing a direct IO write, __blockdev_direct_IO() can call the
btrfs_get_blocks_direct() callback one or more times before it calls the
btrfs_submit_direct() callback. However it can fail after calling the
first callback and before calling the second callback, which is a pr
From: Filipe Manana
If readpages() (triggered by defrag or buffered reads) is called while a
direct IO write is in progress, we have a small time window where we can
deadlock, resulting in traces like the following being generated:
[84723.212993] INFO: task fio:2849 blocked for more than 120 sec
Alistair Grant posted on Wed, 09 Dec 2015 09:38:47 +1100 as excerpted:
> On Tue, Dec 08, 2015 at 03:25:14PM +, Duncan wrote:
>> Alistair Grant posted on Tue, 08 Dec 2015 06:55:04 +1100 as excerpted:
>>
>> > On Mon, Dec 07, 2015 at 01:48:47PM +, Duncan wrote:
>> >> Alistair Grant posted on
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