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Andrea Gelmini | 1 Aug 2009 15:36
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Re: Crash...

2009/7/29 Ryusuke Konishi <ryusuke@...>:
> Could you test if the patch makes a difference for the same file ?

Well,
   I used this:
   git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git
(branch fixes)

   I stressed it a lot, and it works perfectly.
   In a few days I will test the 2048 block size, too (even I guess
it's not necessary).

Thanks a lot for your work,
Andrea
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Andrea Gelmini | 1 Aug 2009 15:39
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Re: Crash...

2009/7/27 Jiro SEKIBA <jir@...>:
> Can you reproduce the bug without using lvm volume?

Hi,
   to trigger the ops I had to write a file >4G.
   Anyway, with latest Ryusuke's patch, I had no problem at all, even
with nilfs on top of MD+LVM.

Thanks a lot,
Andrea
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Ryusuke Konishi | 1 Aug 2009 15:56

Re: Crash...

On Sat, 1 Aug 2009 15:36:22 +0200, Andrea Gelmini wrote:
> 2009/7/29 Ryusuke Konishi <ryusuke@...>:
> > Could you test if the patch makes a difference for the same file ?
> 
> Well,
>    I used this:
>    git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git
> (branch fixes)
> 
>    I stressed it a lot, and it works perfectly.
>    In a few days I will test the 2048 block size, too (even I guess
> it's not necessary).
> 
> Thanks a lot for your work,
> Andrea

Thanks for your response.
I will send the fix to Linus for the next -rc release.

Thanks,
Ryusuke Konishi
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Jiro SEKIBA | 2 Aug 2009 09:58
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Re: Crash...

Hi,

At Sat, 1 Aug 2009 15:39:17 +0200,
Andrea Gelmini wrote:
> 
> 2009/7/27 Jiro SEKIBA <jir@...>:
> > Can you reproduce the bug without using lvm volume?
> 
> Hi,
>    to trigger the ops I had to write a file >4G.

nhhh, I rsynced lots of DVD images, so some of those must have been >4G.

>    Anyway, with latest Ryusuke's patch, I had no problem at all, even
> with nilfs on top of MD+LVM.

That is good news, good news anyway

thanks

regards,
--

-- 
Jiro SEKIBA <jir@...>
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McColgan Weispfenning | 2 Aug 2009 18:06

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Ryusuke Konishi | 2 Aug 2009 15:23

[PATCH] nilfs2: fix missing unlock in error path of nilfs_mdt_write_page


I found a mutex leak while looking into a kernel oops detected in
shrink_page_list().

Here is a bugfix of the problem. I'll send it to the next -rc along
with other fixes.

Regards,
Ryusuke Konishi
--
From: Ryusuke Konishi <konishi.ryusuke@...>

nilfs2: fix missing unlock in error path of nilfs_mdt_write_page

This adds a missing unlock of nilfs->ns_writer_mutex in
nilfs_mdt_write_page() function.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...>
---
 fs/nilfs2/mdt.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 3d3ddb3..2dfd477 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
 <at>  <at>  -412,8 +412,10  <at>  <at>  nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
 		return 0; /* Do not request flush for shadow page cache */
 	if (!sb) {
 		writer = nilfs_get_writer(NILFS_MDT(inode)->mi_nilfs);
-		if (!writer)
+		if (!writer) {
+			nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs);
 			return -EROFS;
+		}
 		sb = writer->s_super;
 	}

--

-- 
1.6.3.4
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Ryusuke Konishi | 3 Aug 2009 19:53

Re: nilfs-utils in Fedora now

Hi,
On Thu, 30 Jul 2009 18:23:18 -0500, Eric Sandeen <sandeen@...> wrote:
> I have nilfs-utils in Fedora now, for F11 and rawhide.  It'll take a
> little while for things to get out to the repos, but if anyone is using
> nilfs on Fedora, hopefully this'll make things a little easier or
> convenient.
>
> For F11 it's headed to the testing repo, for now.
>
> Thanks,
> -Eric

Thank you for letting us know this!  I hope your work really helps
nilfs users of fedora to make things easy hereafter.

BTW, is there any plan on adding the kernel code of nilfs to extra
packages for fedora 12 or the later?

Thanks,
Ryusuke Konishi
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Eric Sandeen | 3 Aug 2009 20:03
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Re: nilfs-utils in Fedora now

Ryusuke Konishi wrote:
> Hi,
> On Thu, 30 Jul 2009 18:23:18 -0500, Eric Sandeen <sandeen@...> wrote:
>> I have nilfs-utils in Fedora now, for F11 and rawhide.  It'll take a
>> little while for things to get out to the repos, but if anyone is using
>> nilfs on Fedora, hopefully this'll make things a little easier or
>> convenient.
>>
>> For F11 it's headed to the testing repo, for now.
>>
>> Thanks,
>> -Eric
> 
> Thank you for letting us know this!  I hope your work really helps
> nilfs users of fedora to make things easy hereafter.
> 
> BTW, is there any plan on adding the kernel code of nilfs to extra
> packages for fedora 12 or the later?

Do you mean like a kmod rpm for updated nilfs kernel code that is not
yet upstream?  No, Fedora doesn't allow kmods in the official
repositories.  But nilfs is already configured on in F11 and F12, so
nilfs.ko is already there in the kernel rpm.

Or maybe I misunderstand you question?

-Eric

> Thanks,
> Ryusuke Konishi
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Ryusuke Konishi | 3 Aug 2009 21:10

Re: proper name for userspace package?

On Thu, 30 Jul 2009 20:36:28 +0200, Daniel Baumann wrote:
> Ryusuke Konishi wrote:
> >> The tarball is "nilfs-utils" but debian has "nilfs2-tools" - is there a
> >> preference, or is this a debian convention that caused the rename?
> 
> it's my own aim to get some sort of uniformity with package names in
> debian, so that we have $filesystem-tools for new packages. new means
> basically almost anything after e2fsutils.

Thanks.  I felt this implicitly, and now I get it straight from you.

> actually, i should rename it from nilfs2-tools to nilfs-tools.
> unfortunately, in debian we have a quite stupid thing called NEW queue
> which make such a simple rename have a penalty of 4 to 8 weeks of
> waiting until ftp-masters unblock it. but i still might do that at some
> point (unless Ryusuke dislikes it ;).

Well, I don't mind either.  I'm accountable for part of the confusion
especially for the version number ;)

"nilfs-tools" sounds simpler. Umm, actually it would be better in the
long term because the nilfs package already has versions related to
the filesystem version (e.g. -2.x.y).  At least I don't have any
reason to object to the rename.

I just realized that ocfs2-tools package has versions 1.x.y.

Thanks,
Ryusuke Konishi
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Ryusuke Konishi | 3 Aug 2009 21:20

Re: nilfs-utils in Fedora now

On Mon, 03 Aug 2009 13:03:51 -0500, Eric Sandeen <sandeen@...> wrote:
> Ryusuke Konishi wrote:
> > Hi,
> > On Thu, 30 Jul 2009 18:23:18 -0500, Eric Sandeen
<sandeen@...> wrote:
> >> I have nilfs-utils in Fedora now, for F11 and rawhide.  It'll take a
> >> little while for things to get out to the repos, but if anyone is using
> >> nilfs on Fedora, hopefully this'll make things a little easier or
> >> convenient.
> >>
> >> For F11 it's headed to the testing repo, for now.
> >>
> >> Thanks,
> >> -Eric
> > 
> > Thank you for letting us know this!  I hope your work really helps
> > nilfs users of fedora to make things easy hereafter.
> > 
> > BTW, is there any plan on adding the kernel code of nilfs to extra
> > packages for fedora 12 or the later?
> 
> Do you mean like a kmod rpm for updated nilfs kernel code that is not
> yet upstream?  No, Fedora doesn't allow kmods in the official
> repositories.
>
> But nilfs is already configured on in F11 and F12, so
> nilfs.ko is already there in the kernel rpm.

Oh, Really?

I was misunderstanding about the basic point.  So, soon nilfs will be
fully available in fedora 11 and 12.  Great!

Thanks,
Ryusuke Konishi
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Gmane