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boris | 15 May 21:35
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abi | 12 May 19:06
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haalloo,

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how are you doing,i hope you are fine,my name is miss abi okom i got your
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Zeke Rondel | 10 May 01:33
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Small device

Hi,

I've a small memory card (SD) of 64MB used for keys related to crypto.
stuff so I need a log filesystem that avoids the data can be re-written
or modified. Is NILFS suitable in case of little devices? If so, which
size of blocks per segment would be suitable for it? Thanks in advance!
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karunakar merugu | 9 May 11:16
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fsck.nilfs2: not found

Hi
I am using Linux karunakar-VirtualBox 3.0.0-12-generic #20-Ubuntu SMP.
I installed nilfs utilities  by
sudo apt-get update
sudo apt-get install nilfs2-tools

Even after this I am getting error like:
fsck from util-linux 2.19.1
fsck: fsck.nilfs2: not found
fsck: Error 2 while executing fsck.nilfs2 for /dev/sdb

can anyone help me in finding the correct package for fsck.nilfs2
utility please.
thanks,
Karunakar.
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Vyacheslav Dubeyko | 6 May 14:06

[PATCH 1/1] mkfs.nilfs2: initialize block info array for DAT file by nilfs_binfo_dat structure

Hello,

I think that I have found obsolete code in mkfs.nilfs2. And I prepare a patch which fixes the bug with block
info initialization in segment summary for the case of DAT file.

With the best regards,
Vyacheslav Dubeyko.
--
From: Vyacheslav Dubeyko <slava@...>
Subject: [PATCH 1/1] mkfs.nilfs2: initialize block info array for DAT file by nilfs_binfo_dat structure

Segment summary block begins from segment summary header (nilfs_segment_summary structure). It
follows array of file information items (nilfs_finfo structure) after it. And after each file
information item follows array of block information items (nilfs_binfo union). The block information
item can be nilfs_binfo_v structure (information for the block to which a virtual block number is
assigned) or nilfs_binfo_dat structure (information for the block which belongs to the DAT file).

Current state of mkfs.nilfs2 code initializes block information items as sizeof(__le64) for the DAT file
case. But driver code expects greater structure in size because it operates by bi_level field for the case
of DAT file. The patch uses nilfs_binfo_dat structure instead of __le64 during creation of block
information items for DAT file case.

Signed-off-by: Vyacheslav Dubeyko <slava@...>
---
diff -up nilfs-utils/sbin/mkfs/mkfs.c{.orig,} 
--- nilfs-utils/sbin/mkfs/mkfs.c.orig	2012-05-04 12:30:58.308461058 +0400
+++ nilfs-utils/sbin/mkfs/mkfs.c	2012-05-04 12:32:39.593861721 +0400
@@ -444,7 +444,7 @@ static void increment_segsum_size(struct
 				  unsigned nblocks_in_file, int dat_flag)
 {
(Continue reading)

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Ryusuke Konishi | 5 May 17:30
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[PATCH] nilfs2: flush disk caches in syncing

Hi Andrew,

Could you please queue the following patch in the -mm tree ?

I hope this will be sent to upstream at the next merge window through
your tree. (probably only this single change).

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

There are two cases that the cache flush is needed to avoid data loss
against unexpected hang or power failure.  One is sync file function
(i.e. nilfs_sync_file) and another is checkpointing ioctl.

This issues a cache flush request to device for such cases if barrier
mount option is enabled, and makes sure data really is on persistent
storage on their completion.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...>
---
 fs/nilfs2/file.c  |   24 ++++++++++++++----------
 fs/nilfs2/ioctl.c |    8 +++++++-
 2 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 2660152..62cebc8 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
(Continue reading)

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boris | 3 May 20:25
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Tiago Caxias | 2 May 16:44
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man nilfs-clean

Hi all.

First of all let me thank and congratulate everyone on the nilfs2 project.

I believe I found a typo in the nilfs-clean man page. (is an interger
value -> is an integer value)
I cloned the git repo, edited the file and then I did a git diff.
Not sure if this is the proper way to post a "patch" but here's my first try.

diff --git a/man/nilfs-clean.8 b/man/nilfs-clean.8
index 758b9e1..04e11c6 100644
--- a/man/nilfs-clean.8
+++ b/man/nilfs-clean.8
@@ -45,7 +45,7 @@ Display help message and exit.
 .TP
 \fB\-p\fR, \fB\-\-protection-period=\fIinterval\fR
 Set protection period for a cleaner run.  The \fIinterval\fR parameter
-is an interger value and specifies the minimum time that deleted or
+is an integer value and specifies the minimum time that deleted or
 overrode data will be preserved in the file system.  Smaller values will
 increase free space made by garbage collection.  Optionally, the
 \fIinterval\fP parameter may be suffixed by one of the following

--
Best regards,
Tiago Caxias
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Sven-Göran Bergh | 1 May 12:38
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Nilfs2 and Grub2

Hi list,

I have done some observations with the combination
grub2 and nilfs2 on the boot partition. It would
be valuable to know if anyone else has done similar
observations or if this is a {,/un}known problem.

After some harsh handling the system is rebooted
and grub2 hangs during stage 1.5-2. Once grub2 has
encountered this problem it is consistent. It will
hang on every consecutive boot.

However, if the filesystem (on a CF) is mounted by
another system there are no problems reported.
Furthermore, once the filesystem has been mounted
by another system grub2 has no problems booting it
again afterwards. There is no need to do anything
else with the fs than mounting it by another system
and then umount it again.
My preliminary analysis is:
 * Nilfs2 is left in a disturbed state, due to some
   rough handling (still unknown in detail).
 * A normal mount has no problem to recover the fs
   in such case.
 * Grub2 lacks some of the recovery features
   performed during a normal mount and will have
   problem reading files on the fs.

Currently I do not have a more exact description of
the problem. I still have to figure out exactly what
(Continue reading)

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shubham sharma | 30 Apr 13:19
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nilfs compilation errors

Hi,

I am trying to compile the nilfs sources on Ubuntu but it is giving
compilation errors.

My kernel version is

----8<----
shubham <at> shubham-VirtualBox:~/work/nilfs/git_repo/nilfs2-module$ uname -r
3.0.0-12-generic
----8<----

I got the nilfs sources from the git repository:

----8<----
shubham <at> shubham-VirtualBox:~/work/nilfs$ git clone
git://github.com/nilfs-dev/nilfs2-module.git
----8<----

After getting the sources, i tried to compile the sources but i am
getting the following compilation errors:

----8<----
shubham <at> shubham-VirtualBox:~/work/nilfs/git_repo/nilfs2-module$ make
make -C fs
make[1]: Entering directory `/home/shubham/work/nilfs/git_repo/nilfs2-module/fs'
make -C /lib/modules/3.0.0-12-generic/build
SUBDIRS=/home/shubham/work/nilfs/git_repo/nilfs2-module/fs
BUILD_DIR=/home/shubham/work/nilfs/git_repo/nilfs2-module/fs modules
make[2]: Entering directory `/usr/src/linux-headers-3.0.0-12-generic'
(Continue reading)

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Gmane