Re: [RFC 00/26] VFS based Union Mount (V2)

2007-08-02 Thread Bharata B Rao
On Mon, Jul 30, 2007 at 06:13:23PM +0200, Jan Blunck wrote: Here is another post of the VFS based union mount implementation. Unlike the traditional mount which hides the contents of the mount point, union mounts present the merged view of the mount point and the mounted filesytem. Doesn't

Re: kupdate weirdness

2007-08-02 Thread Miklos Szeredi
The following strange behavior can be observed: 1. large file is written 2. after 30 seconds, nr_dirty goes down by 1024 3. then for some time ( 30 sec) nothing happens (disk idle) 4. then nr_dirty again goes down by 1024 5. repeat from 3. until whole file is written So

Re: fallocate() man page - darft 2

2007-08-02 Thread Amit K. Arora
Hi Michael, On Mon, Jul 30, 2007 at 09:44:10PM +0200, Michael Kerrisk wrote: Amit, David, I've edited the previous version of the page, adding David's license, and integrating Amit's comments. I've also added a few new FIXMES. (FIXME Amit again.) Ok, Thanks! Could you please review

Re: [RFC 12/26] ext2 white-out support

2007-08-02 Thread Jörn Engel
On Wed, 1 August 2007 15:33:30 -0400, Josef Sipek wrote: This brings up an very interesting (but painful) question...which makes more sense? Allowing the modifications in only the top-most branch, or any branch (given the user allows it at mount-time)? This is really question to the

Re: kupdate weirdness

2007-08-02 Thread Miklos Szeredi
There were heaps of problems in there and it is surprising how few people were hitting them. Ordered-mode journalling filesystems will fix it all up behind the scenes, of course. I just have a bad feeling about that code - list_heads are the wrong data structure and it all needs to be

Re: Distributed storage.

2007-08-02 Thread Daniel Phillips
On Tuesday 31 July 2007 10:13, Evgeniy Polyakov wrote: Hi. I'm pleased to announce first release of the distributed storage subsystem, which allows to form a storage on top of remote and local nodes, which in turn can be exported to another storage as a node to form tree-like storages.

Re: Distributed storage.

2007-08-02 Thread Mike Snitzer
On 7/31/07, Evgeniy Polyakov [EMAIL PROTECTED] wrote: Hi. I'm pleased to announce first release of the distributed storage subsystem, which allows to form a storage on top of remote and local nodes, which in turn can be exported to another storage as a node to form tree-like storages. Very

Re: Distributed storage.

2007-08-02 Thread Manu Abraham
On 7/31/07, Evgeniy Polyakov [EMAIL PROTECTED] wrote: TODO list currently includes following main items: * redundancy algorithm (drop me a request of your own, but it is highly unlikley that Reed-Solomon based will ever be used - it is too slow for distributed RAID, I