Re: can't access diagrams on wiki

2012-01-24 Thread Arne Jansen
On 25.01.2012 03:37, Anand Jain wrote: > >> The wiki on kernel.org is in read-only mode >> [1] http://btrfs.ipv5.de/ > > Is wiki still in read only mode? I am able to login, > but there isn't any link to create new page ? > You mean the wiki mentioned above? You have to confirm your email ad

Re: [BUG - btrfs] kernel oops in extent_range_uptodate

2012-01-24 Thread Mitch Harder
On Tue, Jan 24, 2012 at 10:24 AM, Vincent Vanackere wrote: > On 01/20/2012 09:54 PM, Mitch Harder wrote: >> >> On Fri, Jan 20, 2012 at 10:48 AM, Vincent Vanackere >>  wrote: >>> >>> On 01/19/2012 05:24 PM, Mitch Harder wrote: On Thu, Jan 19, 2012 at 8:42 AM, Vincent Vanackere    w

Re: can't access diagrams on wiki

2012-01-24 Thread Anand Jain
The wiki on kernel.org is in read-only mode [1] http://btrfs.ipv5.de/ Is wiki still in read only mode? I am able to login, but there isn't any link to create new page ? thanks, Anand -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord

Re: ANN: linux-kernel-lzo-2.06.20120123 - update LZO to v2.06

2012-01-24 Thread Andi Kleen
On Mon, Jan 23, 2012 at 05:19:40PM +0100, Markus F.X.J. Oberhumer wrote: > Hi, > > I've prepared a small package that updates the LZO version in the Linux > kernel to LZO v2.06. I ran benchmarks on the new miniLZO and LZ4 on 64bit. LZ4 is generally slower than snappy/lzo in the micro benchmarks.

Re: [RFC] improve space utilization on off-sized raid devices

2012-01-24 Thread Thomas Schmidt
On Thursday 01 December 2011 09:55:27 Arne Jansen wrote: > As RAID0 is already not a strict 'all disks or none', I like the idea to > have it even more dynamic to reach full optimization. But I'd like to see > some properties conserved: > a) In case of even size disks, the stripes should always be

Re: Btrfs slowdown with ceph (how to reproduce)

2012-01-24 Thread Martin Mailand
Hi Chris, great to hear that, could you give me a ping if you fixed it, than I can retry it? -martin Am 24.01.2012 20:40, schrieb Chris Mason: On Tue, Jan 24, 2012 at 08:15:58PM +0100, Martin Mailand wrote: Hi I tried the branch on one of my ceph osd, and there is a big difference in the per

Re: Btrfs slowdown with ceph (how to reproduce)

2012-01-24 Thread Chris Mason
On Tue, Jan 24, 2012 at 08:15:58PM +0100, Martin Mailand wrote: > Hi > I tried the branch on one of my ceph osd, and there is a big > difference in the performance. > The average request size stayed high, but after around a hour the > kernel crashed. > > IOstat > http://pastebin.com/xjuriJ6J > >

Re: Btrfs slowdown with ceph (how to reproduce)

2012-01-24 Thread Martin Mailand
Hi I tried the branch on one of my ceph osd, and there is a big difference in the performance. The average request size stayed high, but after around a hour the kernel crashed. IOstat http://pastebin.com/xjuriJ6J Kernel trace http://pastebin.com/SYE95GgH -martin Am 23.01.2012 19:50, schrieb

[PATCH] Btrfs: fix warning for 32-bit build of fs/btrfs/check-integrity.c

2012-01-24 Thread Stefan Behrens
There have been 4 warnings on 32-bit build, they are herewith fixed. Signed-off-by: Stefan Behrens --- fs/btrfs/check-integrity.c | 11 ++- 1 files changed, 6 insertions(+), 5 deletions(-) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index ad0b3ba..b669a7d 1006

Re: [RFC] improve space utilization on off-sized raid devices

2012-01-24 Thread THomas Schmidt
On Thursday 01 December 2011 09:55:27 Arne Jansen wrote: > As RAID0 is already not a strict 'all disks or none', I like the idea to > have it even more dynamic to reach full optimization. But I'd like to see > some properties conserved: > a) In case of even size disks, the stripes should always be

Re: Updated btrfs/crypto snappy interface ready for merging

2012-01-24 Thread Hugo Chevrain
> evergreen writes: > > > > Although there is LessFS's Mark Ruijter : > http://www.lessfs.com/wordpress/?p=684&cpage=1#comment-3114 > > "On average the speeds appear to be 48% faster then snappy." > Sounds promising... > > -- Well, it seems that the performance is really good. Apparently, LZ4

[PATCH] Btrfs: advance window_start if we're using a bitmap

2012-01-24 Thread Josef Bacik
If we span a long area in a bitmap we could end up taking a lot of time searching to the next free area if we're searching from the original window_start, so advance window_start in order to make sure we don't do any superficial searching. Thanks, Signed-off-by: Josef Bacik --- fs/btrfs/free-sp

Re: [BUG - btrfs] kernel oops in extent_range_uptodate

2012-01-24 Thread Vincent Vanackere
On 01/20/2012 09:54 PM, Mitch Harder wrote: On Fri, Jan 20, 2012 at 10:48 AM, Vincent Vanackere wrote: On 01/19/2012 05:24 PM, Mitch Harder wrote: On Thu, Jan 19, 2012 at 8:42 AM, Vincent Vanackere wrote: Hi, With the most current git kernel (90a4c0f51e8e44111a926be6f4c87af3938a79c3) I'

Re: 3.2-rc4: scrubbing locks up the kernel, then hung tasks on boot

2012-01-24 Thread Martin Steigerwald
Am Dienstag, 24. Januar 2012 schrieb Arne Jansen: > On 24.01.2012 11:16, Martin Steigerwald wrote: > > Am Dienstag, 24. Januar 2012 schrieb Arne Jansen: > >> On 21.01.2012 11:49, Martin Steigerwald wrote: > >>> Am Dienstag, 20. Dezember 2011 schrieb Martin Steigerwald: > >>> > >>> When I do btrfs

Re: 3.2-rc4: scrubbing locks up the kernel, then hung tasks on boot

2012-01-24 Thread Arne Jansen
On 24.01.2012 11:16, Martin Steigerwald wrote: > Am Dienstag, 24. Januar 2012 schrieb Arne Jansen: >> On 21.01.2012 11:49, Martin Steigerwald wrote: >>> Am Dienstag, 20. Dezember 2011 schrieb Martin Steigerwald: >>> >>> When I do btrfs scrub start / the machine locks immediately up hard. >> >> Can

Re: 3.2-rc4: scrubbing locks up the kernel, then hung tasks on boot

2012-01-24 Thread Martin Steigerwald
Am Dienstag, 24. Januar 2012 schrieb Arne Jansen: > On 21.01.2012 11:49, Martin Steigerwald wrote: > > Am Dienstag, 20. Dezember 2011 schrieb Martin Steigerwald: > > > > When I do btrfs scrub start / the machine locks immediately up hard. > > Can you please give me the output of sysrq-w when the

Re: 3.2-rc4: scrubbing locks up the kernel, then hung tasks on boot

2012-01-24 Thread Arne Jansen
On 21.01.2012 11:49, Martin Steigerwald wrote: > Am Dienstag, 20. Dezember 2011 schrieb Martin Steigerwald: > > When I do btrfs scrub start / the machine locks immediately up hard. Can you please give me the output of sysrq-w when the machine is locked up? Thanks, Arne > > Then usually on next