Re: corruption of active mmapped files in btrfs snapshots

2013-03-23 Thread Alexandre Oliva
On Mar 22, 2013, Chris Mason clma...@fusionio.com wrote: Quoting Samuel Just (2013-03-22 13:06:41) Incomplete writes for leveldb should just result in lost updates, not corruption. In this case, I think Alexandre is scanning for zeros in the file. Yup, the symptom is zeros at the end of a

Re: corruption of active mmapped files in btrfs snapshots

2013-03-23 Thread Alexandre Oliva
On Mar 22, 2013, David Sterba dste...@suse.cz wrote: I've reproduced this without compression, with autodefrag on. I don't have autodefrag on, unless it's enabled by default on 3.8.3 or on the for-linus tree. -- Alexandre Oliva, freedom fighterhttp://FSFLA.org/~lxoliva/ You must be the

The limitation of 1024 extends of btrfs restore seems to smal

2013-03-23 Thread Earth Engine
Hi all, I have recently tried to restore a btrfs partition that was mounted as /home. The btrfs restore keep asking annoying questions like we seem to loop deep..., and I have to use yes 'n' | btrfs restore to bypass this. But I was interesting what kind of files that have such a problem. So I

[PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Eric Sandeen
Document all current btrfs mount options. Signed-off-by: Eric Sandeen sand...@redhat.com --- please, Please, PLEASE review this and suggest improvements. I'm no btrfs wizard but I've done my best to get this all right based on commit logs, code reading, and wiki reading. In cases where any of

Re: [PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Roman Mamedov
On Sat, 23 Mar 2013 12:48:54 -0500 Eric Sandeen sand...@redhat.com wrote: diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt index 7671352..02a19c8 100644 --- a/Documentation/filesystems/btrfs.txt +++ b/Documentation/filesystems/btrfs.txt Is anyone

Re: [PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Eric Sandeen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 3/23/13 1:33 PM, Roman Mamedov wrote: On Sat, 23 Mar 2013 12:48:54 -0500 Eric Sandeen sand...@redhat.com wrote: diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt index 7671352..02a19c8 100644 ---

Re: [PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Ilya Dryomov
On Sat, Mar 23, 2013 at 12:48:54PM -0500, Eric Sandeen wrote: Document all current btrfs mount options. Signed-off-by: Eric Sandeen sand...@redhat.com --- please, Please, PLEASE review this and suggest improvements. I'm no btrfs wizard but I've done my best to get this all right based on

Re: [PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Roger Binns
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 23/03/13 10:48, Eric Sandeen wrote: Btrfs is a new copy on write filesystem for Linux aimed at How much longer does new get to be there as the filesystem has been going for well over half a decade. + autodefrag + Detect small random

Re: [PATCH] btrfs: document mount options in Documentation/fs/btrfs.txt

2013-03-23 Thread Roger Binns
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 23/03/13 15:40, Eric Sandeen wrote: I imagine it depends on the details of the workload storage as well. If the people who write btrfs can't come up with some measures to deem appropriateness, then how can the administrators who have even less