The thread holding the O_EXCL flag seems to be BTRFS_IOC_SCAN_DEV ioctl,
which in turn calls btrfs_scan_one_device() to open dev with the O_EXCL flag.
But btrfs_scan_one_device() does not write anything to the disk.
and it is called by
. An intermediary step (not the final open_ctree) in
Wang,
Futher, a easy way to trigger this problem is by running the following
c codes repeatedly:
int main(int argc, char **argv)
{
/* pass a btrfs block device */
int fd = open(argv[1], O_RDWR | O_EXCL);
if (fd 0) {
perror(fail to open: %s,
Current btrfs-debug-tree output chunk/block group type as numbers,
which makes it hard to understand and need to check the source to
understand the meaning.
This patch will convert numberic type output to human readable strings.
Signed-off-by: Qu Wenruo quwen...@cn.fujitsu.com
---
changlog:
v2:
Current btrfs-debug-tree outputs extent flags as numbers,
which makes it hard to understand and need to check the source to
understand the meaning.
This patch will convert numberic flags output to human readable strings.
Signed-off-by: Qu Wenruo quwen...@cn.fujitsu.com
---
changlog:
v2: none
---
When deal with the p q stripes for data profile raid6, chunk-recover
forgets to insert them into the chunk record. Just insert them back
freely.
Also wrap the insert procedure into a new function, fill_chunk_up.
Signed-off-by: Gui Hecheng guihc.f...@cn.fujitsu.com
---
changelog:
v1-v2:
On Wed, Jun 04, 2014 at 10:00:06AM -0400, Chris Mason wrote:
I have a slightly different reason for holding off on these. Disk
format changes are forever, and we need a really strong use case for
pulling them in.
The format upgrade is inevitable for full bidirectional interoperability
of
On Fri, May 30, 2014 at 08:26:02PM +0200, Julien Muchembled wrote:
Le 05/21/14 19:20, Adam Buchbinder a écrit :
+ # 256MB is the smallest acceptable btrfs image.
+ dd if=/dev/zero of=$here/test.img bs=1024 count=$((256*1024)) \
+convert-tests-results.txt 21 || _fail dd
On Fri, May 30, 2014 at 11:27:14AM -0500, Eric Sandeen wrote:
This is the most important patch ever. ;)
Oh it is :)
I found this to be less aesthetically pleasing than it was before:
[CC] btrfstune.o
Making all in Documentation
ASCIIDOC btrfs-convert.xml
[LD]
On Thu, May 29, 2014 at 09:42:11AM +0800, Qu Wenruo wrote:
When using parse_size(), even non-numeric value is passed, it will only
give error message ERROR: size value is empty, which is quite
confusing for end users.
This patch will introduce more meaningful error message for the
following
On Wed, Jun 11, 2014 at 05:14:55PM -0500, Eric Sandeen wrote:
This is a straight cut and paste from the util-linux
mount manpage into btrfs-mount.5
It's pretty much impossible for util-linux to keep up
with every filesystem out there, and Karel has more than
once expressed a wish that mount
Messaggio originale
Da: li...@colorremedies.com
Data: 12/06/2014 2.40
A: kreij...@inwind.it, Goffredo Baroncellikreij...@libero.it
Cc: systemd Mailing Listsystemd-de...@lists.freedesktop.org, linux-btrfs
linux-btrfs@vger.kernel.org
Ogg: Re: Slow startup of systemd-journal on BTRFS
On
Messaggio originale
Da: russ...@coker.com.au
Data: 12/06/2014 3.18
A: kreij...@inwind.it
Cc: systemd Mailing Listsystemd-de...@lists.freedesktop.org, linux-btrfs
linux-btrfs@vger.kernel.org
Ogg: Re: Slow startup of systemd-journal on BTRFS
On Wed, 11 Jun 2014 23:28:54 Goffredo
Da: da...@fromorbit.com
Data: 12/06/2014 3.21
A: kreij...@inwind.it
Cc: systemd Mailing Listsystemd-de...@lists.freedesktop.org, linux-btrfs
linux-btrfs@vger.kernel.org
Ogg: Re: Slow startup of systemd-journal on BTRFS
On Wed, Jun 11, 2014 at 11:28:54PM +0200, Goffredo Baroncelli wrote:
Hi all,
Goffredo Baroncelli kreij...@libero.it posted on Thu, 12 Jun 2014
13:13:26 +0200 as excerpted:
systemd has a very stupid journal write pattern. It checks if there is
space in the file for the write, and if not it fallocates the small
amount of space it needs (it does *4 byte* fallocate calls!)
On 6/12/14, 5:51 AM, David Sterba wrote:
On Wed, Jun 11, 2014 at 05:14:55PM -0500, Eric Sandeen wrote:
This is a straight cut and paste from the util-linux
mount manpage into btrfs-mount.5
It's pretty much impossible for util-linux to keep up
with every filesystem out there, and Karel has
Hi all,
I have a problem that triggers quite often on our production machines. I
don't really know what's triggering this or how to reproduce it, but the
machine enters in some sort of deadlock state, where it consumes all the
i/o and the load average goes very high in seconds (it even gets to
On Thu, Jun 12, 2014 at 1:35 AM, Chris Mason c...@fb.com wrote:
On 06/11/2014 08:12 PM, Filipe David Borba Manana wrote:
Often when running the qgroups sanity test, a crash or a hang happened.
This is because the extent buffer the test uses for the root node doesn't
have an header level
On my system, this brings the FS conversion test suite's runtime from over
ten seconds down to under two.
Thanks to Julien Muchembled for the suggestion.
Signed-off-by: Adam Buchbinder abuchbin...@google.com
---
tests/convert-tests.sh | 18 ++
1 file changed, 10 insertions(+), 8
On Wed, 2 Apr 2014 16:54:37 +0800 Gui Hecheng guihc.f...@cn.fujitsu.com wrote:
For modern filesystems such as btrfs, t/p/e size level operations
are common.
add size unit t/p/e parsing to memparse
Signed-off-by: Gui Hecheng guihc.f...@cn.fujitsu.com
---
changelog
v1-v2: replace
Original Message
Subject: Re: [PATCH v2] btrfs-progs: Improve the parse_size() error message.
From: David Sterba dste...@suse.cz
To: Qu Wenruo quwen...@cn.fujitsu.com
Date: 2014年06月12日 18:15
On Thu, May 29, 2014 at 09:42:11AM +0800, Qu Wenruo wrote:
When using parse_size(),
On Thu, 2014-06-12 at 14:15 -0700, Andrew Morton wrote:
On Wed, 2 Apr 2014 16:54:37 +0800 Gui Hecheng guihc.f...@cn.fujitsu.com
wrote:
For modern filesystems such as btrfs, t/p/e size level operations
are common.
add size unit t/p/e parsing to memparse
Signed-off-by: Gui Hecheng
When using parse_size(), even non-numeric value is passed, it will only
give error message ERROR: size value is empty, which is quite
confusing for end users.
This patch will introduce more meaningful error message for the
following new cases
1) Invalid size string (non-numeric string)
2) Minus
On Thu, Jun 12, 2014 at 04:15:27PM +0100, Alin Dobre wrote:
Hi all,
I have a problem that triggers quite often on our production machines. I
don't really know what's triggering this or how to reproduce it, but the
machine enters in some sort of deadlock state, where it consumes all the
i/o
From: Anand Jain anand.j...@oracle.com
device_list_add() is called when user runs btrfs dev scan, which would add
any btrfs device into the btrfs_fs_devices list.
Now think of a mounted btrfs. And a new device which contains the a SB
from the mounted btrfs devices.
In this situation when user
From: Anand Jain anand.j...@oracle.com
When FS in unmounted we need to check generation number as well
since devid+uuid combination could match with the missing replaced
disk when it reappears, and without this patch it might pair with
the replaced disk again.
device_list_add() function is
Qu,
Kindly note, device-generation is not updated when user scan the
device for the first time.
I have sent out patch:
[PATCH 2/2] btrfs: check generation as replace duplicates devid+uuid
Please feel free to add your Signed-off-by, if you think so.
review comments are appreciated as
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