Trying to get a look at the Reiser 4 sourcecode for a class assignment.
We are interested in the Tree Structure, Tree Balancing, and Reiser's
use of compression.
However, the how-to, namesys.com for d/ling the code using BitKeeper is
outdated according to the BitKeeper people. Can someone
On Sun, Jan 23, 2005 at 10:49:56AM -0700, Jake Hawkes wrote:
Alex Zarochentsev said:
Hello,
On Sun, Jan 23, 2005 at 08:48:14AM -0700, Jake Hawkes wrote:
Hi.
resize_reiserfs says that there are already too many allocated blocks.
which resize_reiserfs command produces the error
Hello
On Fri, 2005-01-07 at 15:11, Shoshannah Forbes wrote:
On 07/01/2005, at 12:20, Vladimir Saveliev wrote:
I would move the problem hard disk to mashine which has (or can
download) latest reiserfsck
(http://thebsh.namesys.com/pub/reiserfsprogs/reiserfsprogs
-3.6.19.tar.gz),
generic bug in handling hash collisions?
Tea hash is designed to be more resistant.
As the example posted shows, tea doesn't look better, it generates
nicely-looking collisions, too.
You mean, in practice you hit them, or with an artificially generated
set of filenames
On Thu, Jan 06, 2005 at 05:13:23PM +0100, Spam wrote:
generic bug in handling hash collisions?
Tea hash is designed to be more resistant.
As the example posted shows, tea doesn't look better, it generates
nicely-looking collisions, too.
You mean, in practice
:08AM +0100, Spam wrote:
There have been some discussions about recovery abilities during
power loss if write cache is enabled. Some recovery tool I saw once
used NVRAM to store progress info so that if you had a power loss it
would be able to resume.
Typically specialized hardware
2004 18:46:20 +0200, Hendrik Visage
[EMAIL PROTECTED] wrote:
On Fri, Dec 31, 2004 at 01:45:32PM +0100, Spam wrote:
Yes, I know that good hardware already do use battery backups and
similar. But I was talking about normal consumer hardware; desktops,
laptops, etc.
Okay, if you want
Esben Stien wrote (ao):
I really don't like that there is no undelete feature in reiserfs -
it's not planned for reiserfs-4 either. I see desperate users all the
time trying to get back what they mistakenly removed.
If you 'see desperate users all the time' you might be amoung the wrong
Spam [EMAIL PROTECTED] writes:
In any case. Undelete has been since ages on many platforms. It IS a
useful feature. Accidents CAN happen for many reasons and in some
cases you may need to recover data.
Besides, a deletion does not fully remove the data, but just unlinks
There have been some discussions about recovery abilities during
power loss if write cache is enabled. Some recovery tool I saw once
used NVRAM to store progress info so that if you had a power loss it
would be able to resume.
Perhaps it would be possible for Reiser4 to store some
On Monday 20 December 2004 16:38, Tom Vier wrote:
On Mon, Dec 20, 2004 at 01:31:25PM +0100, Christian Mayrhuber wrote:
The barrier mount option should provide protection against a corrupted
journal during power failure for drives with write caching enabled.
(Mostly IDE)
There's a
On Monday 20 December 2004 17:32, Spam wrote:
What happen with the performance when these barriers are active?
It's faster than with disk writecache off.
I didn't benchmark barriers=flush and writecache on.
Is it only during power failure the data in the write cache is lost
On Mon, Dec 20, 2004 at 09:31:10PM +0100, Spam wrote:
If you have UPS then write-cache should never be dangerous?
It's not AS dangerous. You could still lose a psu or someone could trip over
the power cord from the computer to the ups.
Indeed. For a server then I would not run
On Mon, 2004-12-06 at 22:07 -0800, Jiri Klouda wrote:
Also, is it a given that reiser4 for windows would work without help
from MS? I've just never seen a third-party filesystem driver for
windows. You'd think that at least one other filesystem, one of the
Linux/BSD/etc ones, would
Funny thing is I did what you suggested, enabling all the debugging,
but it still freezes. Not immediately, but it still hangs. First I
get a segfault on any command I type into the console. After 10 secs
or so of this, It will freeze up. How in the world did you save that
stack
--- Vladimir Saveliev [EMAIL PROTECTED] wrote:
reiser4 needs some changes in kernel code.
ftp://ftp.namesys.com/pub/reiser4-for-2.6.9 contains all things which
are necessary to run reiser4 on 2.6.9
Right now I go there and find only two files:
ncftp /pub/reiser4-for-2.6.9 ls -al
--- Vladimir Saveliev [EMAIL PROTECTED] wrote:
reiser4 needs some changes in kernel code.
ftp://ftp.namesys.com/pub/reiser4-for-2.6.9 contains all things which
are necessary to run reiser4 on 2.6.9
Right now I go there and find only two files:
ncftp /pub/reiser4-for-2.6.9 ls -al
| current repacker code state is 'unsupported', it is even removed from the
| latest -mm kernels. Namesys plans are to make the repacker proprietary.
Really?
I sort of thought the priority was to get into the mainstream kernel, so
this seems an odd move. Why do something that decreases
Spam wrote:
Windows 2000 and later comes with a lite version of Diskeeper from
Executive Software.
MS charges for the OS, so that business model works for them. Nobody
will buy a heavy resizer from us if there is a lite one. That would be
as likely to happen as their buying a support
Christian Mayrhuber wrote:
On Friday 22 October 2004 19:38, Spam wrote:
Hello,
I was interested in testing the repacker statistics tool that Piotr
Neuman wrote (and others later added to). But from what I can see
the repacker is disabled in 2.6.9-rc4-mm1, because of this patch
Hello,
I was interested in testing the repacker statistics tool that Piotr
Neuman wrote (and others later added to). But from what I can see
the repacker is disabled in 2.6.9-rc4-mm1, because of this patch:
I have a suggestion about the repacker output. Currently the
repacker shows something like this:
Repacker: I am alive, pid = 7716
reiser4 repacker: 4395 formatted node(s) processed, 16858 unformatted node(s)
processed, ret = 0
What I'd like to see is that both lines contained which
I tried the resier4 repacker yesterday on a 2GB device that I use
for /usr/portage in Gentoo. This morning I found these errors in the
kernel log:
##
Repacker: I am alive, pid = 32717
reiser4[k_reiser4_repac(32717)]:
On Tue, Sep 14, 2004 at 10:59:08AM +0200, Spam wrote:
I tried the resier4 repacker yesterday on a 2GB device that I use
for /usr/portage in Gentoo. This morning I found these errors in the
kernel log:
Thanks for the report.
How did you start the repacker? which direction did
On Tue, Sep 14, 2004 at 12:08:31PM +0200, Spam wrote:
On Tue, Sep 14, 2004 at 10:59:08AM +0200, Spam wrote:
I tried the resier4 repacker yesterday on a 2GB device that I use
for /usr/portage in Gentoo. This morning I found these errors in the
kernel log:
Thanks
Spam [EMAIL PROTECTED] writes:
Additionally, files-as-directores does not solve the problem of
cp a b losing named streams. There is curently no copyfile syscall
in the Linux kernel, cp a b essentially does cat a b. So unless
cp is modified we don't gain anything. If cp
Spam [EMAIL PROTECTED] wrote:
One suggestion is missed. It is to provide system calls for copy.
That would also solve the problem.
No, it would not. If you read the POSIX.1 specification for cp
carefully http://www.unix.org/version3/online.html, you will
notice that the process
Hans Reiser [EMAIL PROTECTED] said:
Horst von Brand wrote:
Hans Reiser [EMAIL PROTECTED] said:
Horst von Brand wrote:
Spam [EMAIL PROTECTED] said:
Christer Weinigel [EMAIL PROTECTED] said:
[...]
2. How do we want to expose named streams?
One suggestion is file-as-directory
Hi!
What if I do not use emacs, but vim, mcedit, gedit, or some other
editor? It doesn't seem logical to have to patch every application
that uses files.
We would have to do that in either case, so let's patch them to do it
in a nonintrusive way. And as to reading and
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Frank van Maarseveen wrote:
|
|We have the mount command for that. :^)
|
|
| mount is nice for root, clumsy for user. And a rather complicated
| way of accessing data the kernel has knowledge about in the first
| place. For filesystem
On Mon, Sep 06, 2004 at 09:59:25PM +0900, Clemens Schwaighofer wrote:
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Spam wrote:
| thats why we have automount.
|
|
| Which still needs to be setup in fstab, right?
no, in /etc/automount* actually. I have no fstab entry here
Salut,
On Fri, Sep 03, 2004 at 01:43:02AM +0200, Spam wrote:
Yes why not? If there was any filesystem drivers for the AudioCD
format then it could.
I had such a driver for Windows 9x which would display several
folders and files for inserted AudioCD's:
D: (cdrom
On Fri, Sep 03, 2004 at 09:30:38PM +0200, Spam wrote:
Helge Hafting [EMAIL PROTECTED] said:
[...]
The only new thing needed is the ability for something to be both
file and directory at the same time.
Then why have files and directories in the first place?
Good
Linus Torvalds wrote:
But _my_ point is, no user program is going to take _advantage_ of
anything that only one filesystem on one system offers.
Apple does not have this problem
and yes, the apps will take advantage of it, which is different from
depending on it. If you use
Depends on how the forks eventually get implemented.
With the file-as-directory concept, all you need is to
look at the file's directory part to see what is there. (The forks,
implemented as files in a subdirectory.) It is done the same way
as for an ordinary directory, so nothing new.
On Thu, 2004-09-02 at 11:22 -0700, Martin J. Bligh wrote:
For 30 years nothing much has happened in Unix filesystem semantics
because of sheer cowardice
Or because it works fine, and isn't broken.
OK. I'm not a kernel hacker. I'm not a crack C programmer. Nor am I a
designer of
On Iau, 2004-09-02 at 20:41, Spam wrote:
It is trivial to implement this by looking inside the files. I.e., the way
mc has done this for ages.
Difference is that you can't do locate or find or Search.. You
would have to open the files in an archive-supporting application
On Iau, 2004-09-02 at 21:07, Spam wrote:
And would you rather that logic was running swappable in shared library
space or privileged and unswappable in kernel ?
I would rather have it as a filesystem/vfs plugin that would allow
all my programs to use the features the plugin gives
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[EMAIL PROTECTED] wrote:
| On Thu, Sep 02, 2004 at 11:48:06PM +0200, Frank van Maarseveen wrote:
|
|mount is nice for root, clumsy for user. And a rather complicated
|way of accessing data the kernel has knowledge about in the first
|place.
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Martin J. Bligh wrote:
|For 30 years nothing much has happened in Unix filesystem semantics
|because of sheer cowardice
|
|
| Or because it works fine, and isn't broken.
Ok, maybe it wasn't cowardice. Maybe it was laziness.
Because
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Oliver Neukum wrote:
| Am Donnerstag, 2. September 2004 11:52 schrieb Spam:
|
| Btw, version control for ordinary files would be a great feature. I
| think something like it is available through Windows 2000/3 server.
| Isn't it called
Spam == Spam [EMAIL PROTECTED] writes:
V13 The only thing that changes (from the userland POV) is the way
V13 someone can enter the 'metadata directory'. This way you don't have
V13 to have a special name, just a special function and no existing
V13 application (like tar) can possibly
Linus Torvalds [EMAIL PROTECTED] writes:
In a graphical environment, the icon stream is a good example of this.
It literally has _nothing_ to do with the data in the main stream. The
only linkage is a totally non-technical one, where the user wanted to
associate a secondary stream with
I am thinking that is there was a proper API for accessing the
filesystem then this problem wouldn't arise because things could be
done behind the curtains inside the API, instead of having all the
tools to be rewritten to know.
Think of FAT32, for example, the new filenames
Hello Markus,
Friday, August 27, 2004, 11:21:31 AM, you wrote:
On Thu, Aug 26, 2004 at 04:57:26PM -0400, Lee Revell wrote:
On Thu, 2004-08-26 at 16:50, Christophe Saout wrote:
are read-only and system-wide and the user-overridden changes. I don't
know if all of these things would really make
On Thu, Aug 26, 2004 at 11:53:30AM +0100, Jamie Lokier wrote:
Hans Reiser wrote:
being able to cat dirname/pseudos/cat and get a
concatenation of all of the files is nice, and being able to cat
dirname/pseudos/tar and get an archive of the directory is nice
Yes. Being able to cd
Previously Spam wrote:
How so? The whole idea is that the underlaying OS that handles the
copying should also know to copy everything, otherwise you can
implement everything into applications and just skip the whole
filesystem part.
UNIX doesn't have a copy
Am Sonntag, den 15.08.2004, 23:16 +0200 schrieb Felix E. Klee:
I'd like to store the directory structure of a partition formatted as
ReiserFS into a file. Currently, I use
find / file
This process takes approximately 5 minutes (the result is 26MB of
data). Are there any
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