On Mon, Apr 28, 2014 at 2:00 PM, Jonathan Corbet cor...@lwn.net wrote:
On Wed, 23 Apr 2014 18:18:34 -0700
Marc MERLIN m...@merlins.org wrote:
I writing slides about btrfs for an upcoming talk (at linuxcon) and I was
trying to gather a list of companies that contribute code to btrfs.
So I
-- Forwarded message --
From: Chester somethingsome2...@gmail.com
Date: Thu, Oct 17, 2013 at 3:51 PM
Subject: dmesg filled with btrfs messages
To: linux-btrfs linux-btrfs@vger.kernel.org
It's what looks like the same message repeated over and over again.
Here's my dmesg: Pasted
The last argument should be the directory you want to clone into. Use
'-b branch' to specify the branch you want to clone. I'm pretty sure
you've compiled just the master branch of both linux-btrfs and
btrfs-progs.
On Mon, Feb 4, 2013 at 8:59 PM, Gareth Pye gar...@cerberos.id.au wrote:
I felt
So, I got the sysq-w + the whole dmesg until crash
6[0.00] Initializing cgroup subsys cpuset
6[0.00] Initializing cgroup subsys cpu
5[0.00] Linux version 3.4.0-00091-gcb77fcd (root@navilaptop)
(gcc version 4.6.2 (Gentoo 4.6.2-r1 p1.4, pie-0.5.0) ) #1 SMP Thu Jun
21
On Wed, Jun 27, 2012 at 11:45 AM, Josef Bacik jba...@fusionio.com wrote:
On Wed, Jun 27, 2012 at 10:32:22AM -0600, Chester wrote:
Hey Josef, the btrfsck was dirty. Here it is pasted inline.
Ok, do btrfsck --repair on the device (the device must be unmounted) and
hopefully it will fix
Problem still occurs.. With just a bittorrent client (downloading) +
chrome running.
This could also be related but, last night, I triggered a btrfs
balance.. I'm not too sure whether the balance finished or not,
because when I took a look at it this morning, it said no file or
directory and told
On Sat, Jun 16, 2012 at 3:23 PM, Martin Steigerwald mar...@lichtvoll.de wrote:
[251818.022631] [ cut here ]
[251818.022714] WARNING: at
/media/data/mattems/src/linux-2.6-3.4.1/debian/build/source_amd64_none/fs/btrfs/extent_io.c:4522
read_extent_buffer+0x43/0xf0
On Mon, Apr 9, 2012 at 10:53 AM, Calvin Walton calvin.wal...@kepstin.ca wrote:
Hi,
I have a system that's using a dracut-generated initramfs to mount a
btrfs root. After upgrading to kernel 3.4.0-rc2 to test it out, I've
noticed that the process of mounting the root filesystem takes much
On Tue, Mar 27, 2012 at 12:19 PM, Alex a...@bpmit.com wrote:
Hi all,
Just a quick question but can't find an obvious answer.
Can I create/convert a existing (btrfs) directory into a subvolume?
It would be very helpful when transferring 'partitions' into btrfs.
I found a similar question
There's support for Read-only snapshots, so you might be able to use
that with some clever scripting =\
On Mon, Mar 12, 2012 at 2:36 PM, Fong Vang sudoy...@gmail.com wrote:
Does anyone know if there's a plan to provide an option to make a
BTRFS filesystem a WORM (write-one-read-many)? So
On Mon, Feb 27, 2012 at 7:54 AM, dima dole...@parallels.com wrote:
Hello,
Since several people asked to post the results, here they are.
I tried raw virtio disk with and without -z -C set and also qcow2 virtio
disk without -z -C set and did not notice any difference in performance at
all -
On Fri, Feb 10, 2012 at 3:27 PM, Chris Mason chris.ma...@oracle.com wrote:
Ok, its worth pointing out that you're just one bit away from proper
ordering here. While I'm testing out this code to fix key ordering,
could you please run memtest86 on your machine?
I ran memtest for a good 16
On Thu, Feb 9, 2012 at 11:42 AM, Norbert Scheibner s...@gmx.net wrote:
Glück Auf!
I use now kernel 3.2. The filesystem was originally created under 2.6.39 on 1
whole hdd, mounted with noatime,nodiratime,inode_cache. I use it for
backups: rsync the whole system to a subvolume, snapshot it and
On Wed, Feb 8, 2012 at 6:55 AM, Chris Mason chris.ma...@oracle.com wrote:
On Tue, Feb 07, 2012 at 06:10:15PM -0600, Chester wrote:
This is dmesg mounted with -o ro,recovery
[ 20.957392] exe used greatest stack depth: 4920 bytes left
[ 145.340317] device label BtrfsLinux devid 1 transid
On Wed, Feb 8, 2012 at 2:26 PM, Chris Mason chris.ma...@oracle.com wrote:
On Wed, Feb 08, 2012 at 01:22:19PM -0600, Chester wrote:
On Wed, Feb 8, 2012 at 6:55 AM, Chris Mason chris.ma...@oracle.com wrote:
On Tue, Feb 07, 2012 at 06:10:15PM -0600, Chester wrote:
This is dmesg mounted with -o
On Wed, Feb 8, 2012 at 8:46 PM, Chester somethingsome2...@gmail.com wrote:
On Wed, Feb 8, 2012 at 2:26 PM, Chris Mason chris.ma...@oracle.com wrote:
On Wed, Feb 08, 2012 at 01:22:19PM -0600, Chester wrote:
On Wed, Feb 8, 2012 at 6:55 AM, Chris Mason chris.ma...@oracle.com wrote:
On Tue, Feb
Using stock kernel 3.2.0:
I probably made several mistakes.
1. I'm using zcache which is still staging
2. Tried to suspend to RAM (probably bad with zcache enabled)
3. Using one unified btrfs volume
4. After failing to mount, tried several times to mount with -o recovery
5. Writecache enabled.
On Fri, Jan 27, 2012 at 9:03 AM, Hadmut Danisch had...@danisch.de wrote:
Hi,
just a question:
Mounting options for file systems are usually given on the command line
or in /etc/fstab.
Both do not work with mobile storage devices like usb hard disks, since
they are either mounted
On Thu, Jan 26, 2012 at 7:11 PM, Wes anomaly...@gmail.com wrote:
Just wondering,
Why is this command called 'df' when it reports total space and used
space but not free space? Wouldn't this be more aptly named 'btrfs
filesystem du' ?
It's been my understanding that traditionally 'df' has
On Wed, Jan 25, 2012 at 5:27 PM, Waxhead waxh...@online.no wrote:
Hi,
From what I have read BTRFS does replace a bad copy of data with a known
good copy (if it has one). Will BTRFS try to repair the corrupt data or will
it simply silently restore the data without the user knowing that a file
On Thu, Dec 15, 2011 at 8:19 PM, Fajar A. Nugraha l...@fajar.net wrote:
On Fri, Dec 16, 2011 at 1:49 AM, Tobias tra...@robotech.de wrote:
Hi all!
My BTRFS-FS ist getting really slow. Reading is ok, writing is slow and
deleting is horrible slow.
There are many files and many links on the FS.
Just yesterday I can reproduce this reliably. There was no way to turn
the system off other than to use the 'ol REISUB sysrq tricks. I
decided to give it a try today, and it works somehow..
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On Tue, Oct 11, 2011 at 9:37 PM, Li Zefan l...@cn.fujitsu.com wrote:
This confirmed my speculation. I've fixed this bug a month ago, but
the patch hasn't hitted mainline.
You can try it out:
http://marc.info/?l=linux-btrfsm=131495014823121w=2
With this bug fixed, I think autodefrag won't
Kernel 3.1-rc8
btrfs-progs-0.19
mount options: noatime,autodefrag (space_cache is enabled)
There are snapshots present on the filesystem.
When I do a btrfs fi defrag on a file, the file becomes much more
fragmented. The end result can be a file with 20k times more fragments
than before. Initially
On Thu, Oct 6, 2011 at 10:31 AM, Jeff Putney jeffrey.put...@gmail.com wrote:
No, in this case it means we're confident it will get rolled out.
On Aug 18th confidence was high enough to declare a possible release
that very day. This confidence turned into 7 weeks of silence
followed by
I just dd every file on the filesystem and I got no error message in
dmesg, so I don't even know if I should be worried or not.
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btrfsck status updates don't appear too often on the mailing list. But
when they do, they end up in the btrfs wiki page anyway. That's where
users like you and I should look.
I like hanging out here just to see what's coming from upstream
On Thu, Sep 1, 2011 at 10:01 AM, Swâmi Petaramesh
One question. Will the autodefrag option be snapshot aware? Would
enabling this option double the amount of used space if there is a
snapshot present?
On Fri, May 27, 2011 at 2:55 PM, Chris Mason chris.ma...@oracle.com wrote:
Hi everyone,
I always thought that I'd be retired and with my
Out of curiosity, why isn't this done automatically as opposed to
having to mount with the space_cache option?
The space_cache option changes the disk format. Once enabled, it will
be permanent. The mount option gives people an option of whether they
want to enable space_cache.. I've been
I'm not a developer, but I think it goes something like this:
btrfs doesn't write the filesystem on the entire device/partition at
format time, rather, it dynamically increases the size of the
filesystem as data is used. That's why formating a disk in btrfs can
be so fast.
On Wed, Mar 23, 2011 at
Also, btrfs already has a utility to scan for subvolumes in a directory
btrfs subvolume list /path
On Sun, Jan 23, 2011 at 12:02 PM, Goffredo Baroncelli
kreij...@libero.it wrote:
On 01/23/2011 04:05 PM, Lubos Kolouch wrote:
Goffredo Baroncelli, Sun, 23 Jan 2011 13:17:13 +0100:
Hi Lubos,
On
Btrfs has its own wiki page at https://btrfs.wiki.kernel.org which you
may find more helpful than what is on wikipedia.
2011/1/20 Benoît Thiébault benoit.thieba...@gmail.com:
Thanks for your answer
Le 20 janv. 2011 à 22:20, Chris Mason a écrit :
There was a bug fixed as part of that
You might need to build an initramfs image for your kernel to mount,
to help mount your btrfs filesystem. You may want to read Gentoo's
guide for initramfs
http://en.gentoo-wiki.com/wiki/Initramfs
On Thu, Nov 18, 2010 at 12:14 AM, ad...@prnet.org wrote:
Hi,
I have read that for using raid1
I think that means that the fixes in the newer versions will also be
included in the previous versions.
On Sat, Oct 16, 2010 at 8:46 AM, Leonidas Spyropoulos
artafi...@gmail.com wrote:
On Thu, Oct 14, 2010 at 5:42 PM, Chris Mason chris.ma...@oracle.com wrote:
On Thu, Oct 14, 2010 at
I think I read/heard somewhere that snapshots can cause pretty bad
fragmentation, because it causes your system to write changes to files
to random locations on the disk, leaving the original inodes intact..
For that reason, I have replaced the directories ~/.config/chromium ,
/var , /usr/portage
If I were to use the defrag option in btrfsctl,
$ btrfsctl -d /
would it also defragment the subvolumes under the root?
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Hi, I'm aware that btrfs doesn't have a functioning fsck tool that
fixes errors.
I was just wondering (I'm sure many are, also) if there is a working
btrfsck somewhere in the pipeline.
If there is some sort of rough estimate to when it'll be available,
please state it here.
If you're not
, Aug 26, 2010 at 03:43:52AM -0500, Chester wrote:
Hi, I'm aware that btrfs doesn't have a functioning fsck tool that
fixes errors.
I was just wondering (I'm sure many are, also) if there is a working
btrfsck somewhere in the pipeline.
If there is some sort of rough estimate to when it'll
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