There is no function returns a value of -ENOENT, so the check is
useless.
Remove it, and the redundant braces.
Signed-off-by: Zhang Zhen zhenzhang.zh...@huawei.com
---
fs/btrfs/acl.c | 8 +++-
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index
Hi,
I am Nguyen. I am not a software development engineer but an IC (chip)
development engineer. I have a plan to develop an IC controller for
Network Attached Storage (NAS). The main idea is converting software
code into hardware implementation. Because the chip is customized for
NAS, its
Last night my cron job that runs /sbin/btrfs fi balance start -dusage=30 -
musage=30 / failed with no space for balancing. Then I manually ran it to
free space for further balancing and ended up running -musage=0 -dusage=60
(dusage=40 resulted in nothing being done).
On Mon, May 19, 2014 at 3:40 PM, Le Nguyen Tran lntran...@gmail.com wrote:
Hi,
I am Nguyen. I am not a software development engineer but an IC (chip)
development engineer. I have a plan to develop an IC controller for
Network Attached Storage (NAS). The main idea is converting software
code
Hi Nguyen,
Perhaps a better idea would be to use a low-cost low-power som module to run
Linux and btrfs code, and use an FPGA/ASIC to offload
compression/encryption/checksums and to possibly act as a raid controller.
Since btrfs will be under heavy development for the foreseeable future I
On Sat, May 17, 2014 at 11:23 PM, Marc MERLIN m...@merlins.org wrote:
Before I delete this and start over, anything else you'd like from it?
Can you create an image of the fs with btrfs-image
(https://btrfs.wiki.kernel.org/index.php/Btrfs-image) and uploaded it
somewhere (or send it to me
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
On Wed, May 14, 2014 at 11:36:03PM +0800, Scott Middleton wrote:
I read so much about BtrFS that I mistaked Bedup with Duperemove.
Duperemove is actually what I am testing.
I'm currently using programs that find files that are the
On 05/17/2014 01:43 PM, Hugo Mills wrote:
On Wed, Apr 16, 2014 at 07:12:19PM +0200, David Sterba wrote:
On Wed, Apr 02, 2014 at 04:29:11PM +0800, Qu Wenruo wrote:
Convert the old btrfs man pages to new asciidoc and split the huge
btrfs man page into subcommand man page.
I'm merging this
Paul Jones posted on Mon, 19 May 2014 12:24:53 + as excerpted:
On Mon, May 19, 2014 at 3:40 PM, Le Nguyen Tran lntran...@gmail.com
wrote:
I have a plan to develop an IC controller for Network Attached
Storage (NAS). The main idea is converting software code into
hardware implementation.
Hi Paul,
Thank you for your advice. Actually, I currently have ideas to
implement database management (like list, tree), and dynamic memory
allocation in hardware to accelerate the file system operations. I
still do not have a clear picture about which part is implemented by
processor (as your
Ok, that's 2 out of 2.
I was copying pictures from an sdcard (through mmcblk0), and the
filesystem deadlocked.
Unfortunately, when this happens, I copied my pictures (which were still
in RAM) to my 2nd drive which was also btrfs.
I had to reboot, and of course the last pictures didn't get
On Mon, May 19, 2014 at 8:09 PM, Le Nguyen Tran lntran...@gmail.com wrote:
I now need to understand the operation of btrfs source code to
determine. I hope that one of you can help me
Have you read the wiki link?
--
Fajar
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On Sat, May 17, 2014 at 06:43:15PM +0100, Hugo Mills wrote:
I've just been poking around in the docs for a completely different
reason, and I think there's a fairly serious problem (well, as serious
as problems get with documentation).
Take, for example, the format for btrfs fi resize:
No luck of catching it in the act unfortunately, but I'll bear that
tip in mind for any future issues.
On Mon, May 19, 2014 at 4:00 AM, Chris Murphy li...@colorremedies.com wrote:
On May 18, 2014, at 10:36 AM, Joshua McKinney jos...@joshka.net wrote:
On Mon, May 19, 2014 at 04:01:23PM +0200, David Sterba wrote:
On Sat, May 17, 2014 at 06:43:15PM +0100, Hugo Mills wrote:
I've just been poking around in the docs for a completely different
reason, and I think there's a fairly serious problem (well, as serious
as problems get with
On Sat, May 17, 2014 at 08:19:30AM +1000, Dave Chinner wrote:
Renaming the test suite take a lot more work - .e.g renaming/moving
source trees and a fixing all the documentation that points to it...
In that case please call the list xfstests - a name different by a
single character is utterly
On 19/05/14 15:00, Scott Middleton wrote:
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
On Wed, May 14, 2014 at 11:36:03PM +0800, Scott Middleton wrote:
I read so much about BtrFS that I mistaked Bedup with Duperemove.
Duperemove is actually what I am testing.
I'm currently using
Formatting changes inspired by Hugo's mail and some fixes that I found along
the way. The update in Availability section removes the heavy development
not usable text.
David Sterba (5):
btrfs-progs: doc: fix argument notation and typos
btrfs-progs: doc: remove text for unmerged features
All user-supplied values should be enclosed in ... to distinguish
them from verbatim strings.
Signed-off-by: David Sterba dste...@suse.cz
---
Documentation/btrfs-balance.txt | 6 +++---
Documentation/btrfs-check.txt| 2 +-
Documentation/btrfs-filesystem.txt | 10
Does not reflect the current state. The wiki contains more details on
the first page.
Signed-off-by: David Sterba dste...@suse.cz
---
Documentation/btrfs-balance.txt | 4 +---
Documentation/btrfs-check.txt| 4 +---
Documentation/btrfs-device.txt | 4 +---
The asciidoc conversion was done on a development branch and there are
portions of text that do not reflect the code.
Signed-off-by: David Sterba dste...@suse.cz
---
Documentation/btrfs-device.txt | 5 -
Documentation/btrfs-filesystem.txt | 46 +-
2
Italic format is used for parameters and values, bold makes the text visually
separated.
Signed-off-by: David Sterba dste...@suse.cz
---
Documentation/btrfs-balance.txt | 22 +++
Documentation/btrfs-check.txt| 14 +-
Documentation/btrfs-convert.txt
From: Anand Jain anand.j...@oracle.com
In a normal scenario when sys-admin replaces a disk, the
expeted is btrfs will release the disk completely.
However the below test case gives a wrong impression that
replaced disk is still is in use.
$ btrfs rep start /dev/sde /dev/sdg4 /btrfs
$ mkfs.btrfs
This fix will ensure all SB copies on the disk is zeroed
when the disk is intentionally removed. This helps to
better manage disks in the user land.
This version of patch also merges the Zach patch as below.
btrfs: don't double brelse on device rm
Signed-off-by: Anand Jain
This adds ioctl BTRFS_IOC_GET_FSIDS which reads the fs
info through the btrfs-control, needed to optimize
heavily used btrfs-progs function check_mounted()
plus few other minor uses.
Signed-off-by: Anand Jain anand.j...@oracle.com
---
fs/btrfs/super.c | 66
From: Anand Jain anand.j...@oracle.com
I have an opinion that system logs /var/log/messages are
valuable info to investigate the real system issues at
the data center. People handling data center issues
do spend a lot time and efforts analyzing messages
files. Having usage error logged into
so to help problem understanding and solving
Signed-off-by: Anand Jain anand.j...@oracle.com
---
fs/btrfs/ioctl.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e174770..ff27c08 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3702,10
From: Anand Jain anand.j...@oracle.com
generally if you use
echo test /sys/fs/btrfs/fsid/label
it would introduce return char at the end and it can not
be part of the label. The correct command is
echo -n test /sys/fs/btrfs/fsid/label
This patch will check for this user error
As of now with out this patch the content under the
dir /sys/fs/btrfs/fsid/devices is just links to the
block devs.
Moving forward we would need the above btrfs sysfs path
to contain more info about the btrfs devices.
This patch provide a framework and as of now a fault
notification interface,
On 19/5/2014 7:01 μμ, Brendan Hide wrote:
On 19/05/14 15:00, Scott Middleton wrote:
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
On Wed, May 14, 2014 at 11:36:03PM +0800, Scott Middleton wrote:
I read so much about BtrFS that I mistaked Bedup with Duperemove.
Duperemove is
On 5/19/14, 12:04 PM, Anand Jain wrote:
From: Anand Jain anand.j...@oracle.com
generally if you use
echo test /sys/fs/btrfs/fsid/label
it would introduce return char at the end and it can not
be part of the label. The correct command is
echo -n test /sys/fs/btrfs/fsid/label
This
On Tue, 20 May 2014 01:04:30 +0800
Anand Jain anand.j...@oracle.com wrote:
From: Anand Jain anand.j...@oracle.com
generally if you use
echo test /sys/fs/btrfs/fsid/label
it would introduce return char at the end and it can not
be part of the label. The correct command is
echo -n test
On Mon, May 19, 2014 at 06:01:25PM +0200, Brendan Hide wrote:
On 19/05/14 15:00, Scott Middleton wrote:
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
Thanks for that.
I may be completely wrong in my approach.
I am not looking for a file level comparison. Bedup worked fine for
On Mon, May 19, 2014 at 08:12:03PM +0300, Konstantinos Skarlatos wrote:
On 19/5/2014 7:01 μμ, Brendan Hide wrote:
On 19/05/14 15:00, Scott Middleton wrote:
Duperemove does look exactly like what you are looking for. The last
traffic on the mailing list regarding that was in August last year.
On 2014-05-19 13:12, Konstantinos Skarlatos wrote:
On 19/5/2014 7:01 μμ, Brendan Hide wrote:
On 19/05/14 15:00, Scott Middleton wrote:
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
On Wed, May 14, 2014 at 11:36:03PM +0800, Scott Middleton wrote:
I read so much about BtrFS that I
We were cleaning the clone target file range from the page cache before
we did replace the file extent items in the fs tree. This was racy,
as right after cleaning the relevant range from the page cache and before
replacing the file extent items, a read against that range could be
performed by
On Mon, May 19, 2014 at 01:59:01PM -0400, Austin S Hemmelgarn wrote:
On 2014-05-19 13:12, Konstantinos Skarlatos wrote:
I have been testing duperemove and it seems to work just fine, in
contrast with bedup that i have been unable to install/compile/sort out
the mess with python versions. I
On 18/05/14 17:09, Russell Coker wrote:
On Sat, 17 May 2014 13:50:52 Martin wrote:
[...]
Do you see or measure any real advantage?
Imagine that you have a RAID-1 array where both disks get ~14,000 read
errors.
This could happen due to a design defect common to drives of a particular
On Mon, May 19, 2014 at 07:55:41AM -0700, Christoph Hellwig wrote:
On Sat, May 17, 2014 at 08:19:30AM +1000, Dave Chinner wrote:
Renaming the test suite take a lot more work - .e.g renaming/moving
source trees and a fixing all the documentation that points to it...
In that case please call
On 2014/05/19 10:36 PM, Martin wrote:
On 18/05/14 17:09, Russell Coker wrote:
On Sat, 17 May 2014 13:50:52 Martin wrote:
[...]
Do you see or measure any real advantage?
[snip]
This is extremely difficult to measure objectively. Subjectively ... see
below.
[snip]
*What other failure modes*
On 19/5/2014 8:38 μμ, Mark Fasheh wrote:
On Mon, May 19, 2014 at 06:01:25PM +0200, Brendan Hide wrote:
On 19/05/14 15:00, Scott Middleton wrote:
On 19 May 2014 09:07, Marc MERLIN m...@merlins.org wrote:
Thanks for that.
I may be completely wrong in my approach.
I am not looking for a file
Original Message
Subject: Re: [PATCH 00/27] Replace the old man page with asciidoc and
man page for each btrfs subcommand.
From: David Sterba dste...@suse.cz
To: Hugo Mills h...@carfax.org.uk, Qu Wenruo
quwen...@cn.fujitsu.com, linux-btrfs@vger.kernel.org, c...@fb.com
Date:
As a followup on the discussion we had on how to do a live data switch
on a partition without unmounting it since it's busy, it came back to
how do you know what changed between 2 snapshots.
btrfs send giving a file list of what was added/modified/removed is the
long term answer, and Filipe is
On Mon, 19 May 2014 23:47:37 Brendan Hide wrote:
This is extremely difficult to measure objectively. Subjectively ... see
below.
[snip]
*What other failure modes* should we guard against?
I know I'd sleep a /little/ better at night knowing that a double disk
failure on a raid5/1/10
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