Re: Selective Compression/Encryption

2008-12-09 Thread calin
> While I have not gotten far enough to prove it is feasible... > > My idea on controlling features like compression is that > the default mode is inherited from the parent in the > directory tree. Thus you can turn it on/off at whatever > granularity you want. > That seems like the ideal solut

Re: Selective Compression/Encryption

2008-12-09 Thread jim owens
Diego Calleja wrote: El Tue, 9 Dec 2008 13:09:51 -0500, "Lee Trager" <[EMAIL PROTECTED]> escribió: It does seem that doing it with volumes would limit user control and add lots of complexity to such a simple task. IMHO, WRT compression it's the contrary. Compression on a per-file basis has ne

Re: Selective Compression/Encryption

2008-12-09 Thread Diego Calleja
El Tue, 9 Dec 2008 13:09:51 -0500, "Lee Trager" <[EMAIL PROTECTED]> escribió: > It does seem that doing it with volumes would limit user control and add > lots of complexity to such a simple task. IMHO, WRT compression it's the contrary. Compression on a per-file basis has never been very succesf

Data De-duplication

2008-12-09 Thread Oliver Mattos
Hi, Say I download a large file from the net to /mnt/a.iso. I then download the same file again to /mnt/b.iso. These files now have the same content, but are stored twice since the copies weren't made with the bcp utility. The same occurs if a directory tree with duplicate files (created with b

Re: Selective Compression/Encryption

2008-12-09 Thread Miguel Figueiredo Mascarenhas Sousa Filipe
On Tue, Dec 9, 2008 at 6:09 PM, Lee Trager <[EMAIL PROTECTED]> wrote: > On Tue, Dec 09, 2008 at 05:22:18PM +0100, Christian Hesse wrote: >> On Tuesday 09 December 2008, Miguel Figueiredo Mascarenhas Sousa Filipe >> wrote: >> > Hi there, >> > >> > On Tue, Dec 9, 2008 at 2:59 PM, Lee Trager <[EMAIL

Re: Selective Compression/Encryption

2008-12-09 Thread jim owens
Joshua J. Berry wrote: On Tuesday 09 December 2008 08:35:16 Chris Mason wrote: On Tue, 2008-12-09 at 09:59 -0500, Lee Trager wrote: Currently compression and I assume if encryption is implemented it is turned on or off during mount. There are however many times when a user may want to select wh

Re: Selective Compression/Encryption

2008-12-09 Thread Joshua J. Berry
On Tuesday 09 December 2008 08:35:16 Chris Mason wrote: > On Tue, 2008-12-09 at 09:59 -0500, Lee Trager wrote: > > Currently compression and I assume if encryption is implemented it is > > turned on or off during mount. There are however many times when a user > > may want to select which files/dir

Re: Selective Compression/Encryption

2008-12-09 Thread Lee Trager
Would you suggest using the existing chattr/lsattr commands from e2fsprogs for userspace control and just add support at the kernel level? Miguel suggested this be done at the volume level. Do you have any thoughts on that? Thanks, Lee On Tue, Dec 09, 2008 at 11:35:16AM -0500, Chris Mason wrote

Re: Selective Compression/Encryption

2008-12-09 Thread Lee Trager
On Tue, Dec 09, 2008 at 05:22:18PM +0100, Christian Hesse wrote: > On Tuesday 09 December 2008, Miguel Figueiredo Mascarenhas Sousa Filipe wrote: > > Hi there, > > > > On Tue, Dec 9, 2008 at 2:59 PM, Lee Trager <[EMAIL PROTECTED]> wrote: > > > Currently compression and I assume if encryption is imp

btrfs and hotplug, auto-assembly, auto-setup, ...

2008-12-09 Thread Kay Sievers
Hey, I thought it would be a good time good to play around a bit with btrfs in the usual hotplug setup, so we can - if needed - adapt things before it is going to be finalized. At a first look, it looks very promising, and I really like the idea that the state of the (possibly incomplete) device t

Re: Selective Compression/Encryption

2008-12-09 Thread Chris Mason
On Tue, 2008-12-09 at 09:59 -0500, Lee Trager wrote: > Currently compression and I assume if encryption is implemented it is > turned on or off during mount. There are however many times when a user may > want to select which files/directories they want to compress or encrypt. > This will also be h

Re: Selective Compression/Encryption

2008-12-09 Thread Miguel Figueiredo Mascarenhas Sousa Filipe
Hi there, On Tue, Dec 9, 2008 at 2:59 PM, Lee Trager <[EMAIL PROTECTED]> wrote: > Currently compression and I assume if encryption is implemented it is > turned on or off during mount. There are however many times when a user may > want to select which files/directories they want to compress or en

Re: New disk format pushed out

2008-12-09 Thread Chris Mason
On Mon, 2008-12-08 at 19:13 -0500, Chris Mason wrote: > Hello everyone, > > I've pushed out most of the pending patches, including a few big disk > format changes. It includes Yan Zheng's super block duplication code > (with a few small mods for performance) and all new data checksumming > code.

Re: New disk format pushed out

2008-12-09 Thread Chris Mason
On Tue, 2008-12-09 at 08:52 +0100, Gabor MICSKO wrote: > As i see the standalone kernel module git repo not updated. Will it be > updated too? > > http://git.kernel.org/?p=linux/kernel/git/mason/btrfs-unstable-standalone.git;a=summary > > Thanks, I've updated the standalone tree as well. -chri