On 02/01/11 17:37, Olaf van der Spek wrote:
A userspace lib is fine with me. In fact, I've been asking for it
multiple times. Result: no response.
Excuse me?
You (well, Henrique, but you were CCed) said how about a user space
lib? I said I'm working on one, will be ready about this
Hi all,
I've promised to get a library out there, and here it is. The base URL
is https://github.com/Shachar/safewrite, and the actual code is at
https://github.com/Shachar/safewrite/blob/master/safewrite.c
This is not a formal release just yet (plus one function is still
missing an
On Sun, Jan 2, 2011 at 6:14 PM, Henrique de Moraes Holschuh Maybe I
wasn't clear, in that case I'm sorry. To me, O_ATOMIC is
Whether this should map to O_ATOMIC in glibc or be something new, I don't
care. But if it is a flag, I'd highly suggest naming it O_CREATEUNLINKED or
something else
On Sun, Jan 2, 2011 at 7:55 PM, Adam Borowski kilob...@angband.pl wrote:
Note that on the other side of the fence there's something called TxF
Not GA AFAIK.
And what if you're changing one byte inside a 50 GB file?
I see an easy implementation on btrfs/ocfs2 (assuming no other writers),
but
On Mon, Jan 3, 2011 at 4:25 AM, Ted Ts'o ty...@mit.edu wrote:
On Sun, Jan 02, 2011 at 04:14:15PM +0100, Olaf van der Spek wrote:
Last time you ignored my response, but let's try again.
The implementation would be comparable to using a temp file, so
there's no need to keep 2 g in memory.
On Mon, Jan 03, 2011 at 12:43:24PM +0200, Shachar Shemesh wrote:
Hi all,
I've promised to get a library out there, and here it is. The base
URL is https://github.com/Shachar/safewrite, and the actual code is
at https://github.com/Shachar/safewrite/blob/master/safewrite.c
[...]
Give my code
Ted,
Thanks for the reply and detailed analysis.
Which gets me back to the question of use cases. When are we going to
be using this monster? For many use cases, where the original reason
Where implicit rollbacks are desireable, I suppose. It is incompatible
with edit-in-place, anyway.
On Mon, Jan 3, 2011 at 12:53 PM, Shachar Shemesh shac...@debian.org wrote:
Where are the regressions vs the non-atomic variant listed?
nowhere, yet. It's not released.
That's one of the more interesting parts.
Does it destroy ACLs? Didn't see any code to preserve them.
Olaf
--
To
On 03/01/11 14:10, Adam Borowski wrote:
There's a race condition:
while [ 1 ]; do ln -s /etc/passwd somefile.tmp; done
Hey root, could you please use this program using libsafewrite on
'somefile'?
Two questions:
1. Is this race a regression from the single file case?
2. Is this race
On 03/01/11 14:54, Olaf van der Spek wrote:
That's one of the more interesting parts.
It sure is to you. I'm not sure about other users. I'll tell you what -
I'll make the project's home page a wiki, and you can document these to
your heart's content.
Shachar
--
Shachar Shemesh
Lingnu
On Mon, Jan 03, 2011 at 09:49:40AM -0200, Henrique de Moraes Holschuh wrote:
1) You care about data loss in the case of power failure, but not in
the case of hard drive or storage failure, *AND* you are writing tons
and tons of tiny 3-4 byte files and so you are worried about
performance
On Mon, Jan 3, 2011 at 2:59 PM, Shachar Shemesh shac...@debian.org wrote:
On 03/01/11 14:54, Olaf van der Spek wrote:
That's one of the more interesting parts.
It sure is to you. I'm not sure about other users. I'll tell you what - I'll
Doesn't the Debian project care about regressions
On 03/01/11 16:05, Olaf van der Spek wrote:
Doesn't the Debian project care about regressions (and quality in general)?
I'm sorry, but from scanning the conversation so far, no one but you
seems to regard this as either a regression or a loss of quality. I will
shut up at this point to
On 03/01/11 14:10, Adam Borowski wrote:
There's a race condition:
while [ 1 ]; do ln -s /etc/passwd somefile.tmp; done
Hey root, could you please use this program using libsafewrite on
'somefile'?
Two questions:
1. Is this race a regression from the single file case?
2. Is this race
On Mon, Jan 3, 2011 at 6:28 AM, Enrico Weigelt weig...@metux.de wrote:
* Ted Ts'o ty...@mit.edu schrieb:
This is possible. It would be specific only to file systems that
support inodes (i.e., ix-nay for NFS, FAT, etc.).
FAT supports inodes ?
ix-nay: no/except
Olaf
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On Mon, Jan 3, 2011 at 11:35 AM, Shachar Shemesh shac...@debian.org wrote:
On 02/01/11 17:37, Olaf van der Spek wrote:
A userspace lib is fine with me. In fact, I've been asking for it
multiple times. Result: no response.
Excuse me?
You (well, Henrique, but you were CCed) said how about
On Mon, Jan 3, 2011 at 11:35 AM, Shachar Shemesh shac...@debian.org wrote:
BTW - feedback welcome.
Where are the regressions vs the non-atomic variant listed?
Olaf
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Hi
Dne Mon, 03 Jan 2011 15:56:44 +0200
Shachar Shemesh shac...@debian.org napsal(a):
In essence, it is impossible, as far as I know (patches welcome) to
avoid a race when symlinks are involved (with specific exceptions). The
assumption is, and has always been, that the directory resides
On Mon, Jan 03, 2011 at 12:26:29PM +0100, Olaf van der Spek wrote:
Given that the issue has come up before so often, I expected there to
be a FAQ about it.
Your asking the question over (and over... and over...) doesn't make
it an FAQ. :-)
Aside from your asking over and over, it hasn't
On Mon, Jan 3, 2011 at 3:43 PM, Ted Ts'o ty...@mit.edu wrote:
On Mon, Jan 03, 2011 at 12:26:29PM +0100, Olaf van der Spek wrote:
Given that the issue has come up before so often, I expected there to
be a FAQ about it.
Your asking the question over (and over... and over...) doesn't make
it
Package: wnpp
Severity: wishlist
Owner: Nicholas Bamber nicho...@periapt.co.uk
* Package name: libtest-html-w3c-perl
Version : 0.3
Upstream Author : Victor victo...@gmail.com
* URL : http://search.cpan.org/dist/Test-HTML-W3C/
* License : perl
Programming
Package: wnpp
Severity: wishlist
Owner: Nicholas Bamber nicho...@periapt.co.uk
* Package name: libtest-mocktime-datecalc-perl
Version : 5
Upstream Author : Kevin Ryde CENSORED
* URL : http://search.cpan.org/dist/Test-MockTime-DateCalc
* License : GPL3
Olaf van der Spek olafvds...@gmail.com wrote:
On Sun, Jan 2, 2011 at 1:37 AM, Steve Langasek vor...@debian.org wrote:
I don't think there's much room for argument at all, the FHS definition of
/lib is pretty clear. :)
Yes, this does cause problems for autotools and the like when it
comes
Ted Ts'o tytso at mit.edu writes:
actually. The right answer has been known for decades, and it's is
very simple; write a temp file, copy over the xattr's and ACL's if you
care (in many cases, such as an application's private state files, it
won't care, so it can skip this step --- it's only
On Mon, Jan 3, 2011 at 8:06 PM, Andreas Metzler
ametz...@downhill.at.eu.org wrote:
What's the problem with fixing automake?
Hello,
in a nutshell: I doubt anybody who has the knowledge to fix it cares,
and there is more to it than a
Package: wnpp
Severity: wishlist
Owner: Nicholas Bamber nicho...@periapt.co.uk
* Package name: libhtml-template-pluggable-perl
Version : 0.17
Upstream Author : Rhesa Rozedaal rh...@cpan.org
* URL : http://search.cpan.org/dist/HTML-Template-Pluggable/
* License
On Mon, Jan 03, 2011 at 10:33:21PM +0100, Olaf van der Spek wrote:
On Mon, Jan 3, 2011 at 8:06 PM, Andreas Metzler
ametz...@downhill.at.eu.org wrote:
What's the problem with fixing automake?
Hello,
in a nutshell: I doubt anybody who has the knowledge to fix it cares,
and there is
Hi All,
I would like to install dpkg under Windows Vista.
I have downloaded dpkg_1.14.30.tar.gz and unpacked it into a cygwin bash
shell in Microsoft Windows Vista..
I cd dpkg-1.14.30, then ./configure then make
Make throws up
Package: wnpp
Severity: wishlist
Owner: Jeremy Salwen jeremyb...@gmail.com
* Package name: so-synth-lv2
Version : 1
Upstream Author : Jeremy Salwen jeremyb...@gmail.com
* URL : https://github.com/jeremysalwen/SO-synth-LV2
* License : GPL
Programming Lang: C
On Tue, 04 Jan 2011, Stephen Grant Brown wrote:
I would like to install dpkg under Windows Vista.
This is almost certainly going to be an exercise in pain.
/home/Stephen/src/dpkg-1.14.30/lib/nfmalloc.c:67: undefined reference to
`_obstck_free'
../lib/libdpkg.a(nfmalloc.o): In function
On Mon, Jan 03, 2011 at 04:55:52PM -0800, Don Armstrong wrote:
On Tue, 04 Jan 2011, Stephen Grant Brown wrote:
I would like to install dpkg under Windows Vista.
This is almost certainly going to be an exercise in pain.
For building it, maybe, but not for getting it prebuilt. Cygwin ports
Opa.
Excerpts from Rafael Cunha de Almeida's message of Seg Jan 03 00:55:23 -0200
2011:
(...)
Acho uma boa. Acho que a gente pode levar já escrito nossas espectativas
de preço e tentar trabalhar com o pessoal lá para chegar nisso.
Acho uma boa.
A gente pode chegar lá falando que nosso
Marco Túlio Gontijo e Silva mar...@debian.org disse que disse:
Opa.
Excerpts from Rafael Cunha de Almeida's message of Seg Jan 03 00:55:23 -0200
2011:
(...)
Acho uma boa. Acho que a gente pode levar já escrito nossas espectativas
de preço e tentar trabalhar com o pessoal lá para chegar
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