On 08.07.2011 01:19, Goffredo Baroncelli wrote:
On 07/07/2011 06:01 PM, Jan Schmidt wrote:
The kernel patch series just sent (Subject: Btrfs: scrub: print path to
corrupted files and trigger nodatasum fixup) introduces two new ioctls to
do in-kernel filesystem path construction. This series
Hi,
I know I can set the default subvolume for a btrfs fs using
sudo btrfs subvolume set-default 256 /btrfs/mnt
But after that, how can get the default subvolume name? In my opinion,
btrfs-progs should provide btrfs subvolume get-default /btrfs/mnm to get
the default subvolume id and name, I
On Fri, Jul 08, 2011 at 05:58:02PM +0800, Yi Yang wrote:
I know I can set the default subvolume for a btrfs fs using
sudo btrfs subvolume set-default 256 /btrfs/mnt
But after that, how can get the default subvolume name? In my opinion,
btrfs-progs should provide btrfs subvolume get-default
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On 08.07.2011 11:58, Hugo Mills wrote:
On Fri, Jul 08, 2011 at 05:58:02PM +0800, Yi Yang wrote:
I know I can set the default subvolume for a btrfs fs using
sudo btrfs subvolume set-default 256 /btrfs/mnt
But after that, how can get the default
That's great, can you share your source code with me? I'm very eager to get
this now :-)
-Original Message-
From: Hugo Mills [mailto:h...@carfax.org.uk]
Sent: Friday, July 08, 2011 5:58 PM
To: Yang, Yi Y
Cc: linux-btrfs@vger.kernel.org
Subject: Re: How to get the default subvolume?
On
On Fri, Jul 08, 2011 at 06:06:02PM +0800, Yang, Yi Y wrote:
That's great, can you share your source code with me? I'm very eager to get
this now :-)
http://carfax.org.uk/btrfs-gui
http://git.darksatanic.net/repo/btrfs-gui.git/
You probably want the btrfsgui.hlp.subvol.sv_list()
From your source, you defined some structures using python and use them to get
and parse btrfs metadata, very advanced and complicated :-), do you know there
is any library to provide similar APIs in order that I can use some advanced
APIs and don't need to worry about frequent changes of
Hi - I'm trying btrfs with kernel 2.6.38.8-32.fc15.x86_64 (a Fedora kernel).
I'm just doing a tar-to-tar copy onto the file system with compress-
force=zlib. Here are some traces of the stuck processes.
flush-btrfs-5 seems to be stuck:
Jul 8 11:49:40 xback2 kernel: [74920.681032] flush-btrfs-5
On Fri, Jul 08, 2011 at 06:28:54PM +0800, Yang, Yi Y wrote:
From your source, you defined some structures using python and use
them to get and parse btrfs metadata, very advanced and complicated
:-), do you know there is any library to provide similar APIs in
order that I can use some advanced
Excerpts from Stephane Chazelas's message of 2011-07-08 08:44:29 -0400:
2011-07-06 09:11:11 +0100, Stephane Chazelas:
2011-07-03 13:38:57 -0600, cwillu:
On Sun, Jul 3, 2011 at 1:09 PM, Stephane Chazelas
stephane_chaze...@yahoo.fr wrote:
[...]
Now, on a few occasions (actually, most
2011-07-08 11:06:08 -0400, Chris Mason:
[...]
So the invalidate opcode in btrfs-fixup-0 is the big problem. We're
either failing to write because we weren't able to allocate memory (and
not dealing with it properly) or there is a bigger problem.
Does the btrfs-fixup-0 oops come before or
2011-07-08 16:41:23 +0100, Stephane Chazelas:
2011-07-08 11:06:08 -0400, Chris Mason:
[...]
So the invalidate opcode in btrfs-fixup-0 is the big problem. We're
either failing to write because we weren't able to allocate memory (and
not dealing with it properly) or there is a bigger
Excerpts from Stephane Chazelas's message of 2011-07-08 11:41:23 -0400:
2011-07-08 11:06:08 -0400, Chris Mason:
[...]
So the invalidate opcode in btrfs-fixup-0 is the big problem. We're
either failing to write because we weren't able to allocate memory (and
not dealing with it properly)
On Wed, Dec 08, 2010 at 02:45:27PM -0500, Eric Paris wrote:
SELinux would like to implement a new labeling behavior of newly created
inodes. We currently label new inodes based on the parent and the creating
process. This new behavior would also take into account the name of the
new object
Excerpts from Stephane Chazelas's message of 2011-07-08 12:11:03 -0400:
2011-07-08 16:41:23 +0100, Stephane Chazelas:
2011-07-08 11:06:08 -0400, Chris Mason:
[...]
So the invalidate opcode in btrfs-fixup-0 is the big problem. We're
either failing to write because we weren't able to
2011-07-08 12:17:54 -0400, Chris Mason:
[...]
Jun 5 00:58:10 BUG: Bad page state in process rsync pfn:1bfdf
Jun 5 00:58:10 page:ea61f8c8 count:0 mapcount:0 mapping:
(null) index:0x2300
Jun 5 00:58:10 page flags: 0x110(dirty)
Jun 5 00:58:10 Pid:
2011-07-08 12:15:08 -0400, Chris Mason:
[...]
You described this workload as rsync, is there anything else running?
[...]
Nope. Nothing else. And at least initially, that was onto an
empty drive so basic copy.
rsync --archive --xattrs --hard-links --numeric-ids --sparse --acls
Cheers,
Hi everyone,
The for-linus branch of the btrfs-unstable repo:
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git for-linus
Has three more fixes. We're fixing oopsen during space balancing (btrfs
filesystem balance /mnt)) and during device removal.
Dave Sterba also sent in
2011-07-08 12:15:08 -0400, Chris Mason:
[...]
I'd definitely try without -o compress_force.
[...]
Just started that over the night.
I'm running a dstat -df at the same time and I'm seeing
substantive amount of disk writes on the disks that hold the
source FS (and I'm rsyncing from read-only
Excerpts from Stephane Chazelas's message of 2011-07-08 16:04:12 -0400:
2011-07-08 12:15:08 -0400, Chris Mason:
[...]
I'd definitely try without -o compress_force.
[...]
Just started that over the night.
I'm running a dstat -df at the same time and I'm seeing
substantive amount of disk
Hi there...
A year ago a btrfs raid needs to be scanned before it can be mounted.
Is this still the case?
I would like to have a btrfs raid as root, but so far this was not
possible due to the scanning thing, and thus I still need a /boot
filesystem.
It would be awesome to be able to just boot
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