linux-kernel - Re: [PATCH] tmpfs: implement generic xattr support

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Date:	Thu, 21 Apr 2011 17:43:27 +0200
From:	Michal Suchanek <hramrach@...trum.cz>
To:	Jordi Pujol <jordipujolp@...il.com>
Cc:	Miklos Szeredi <miklos@...redi.hu>,
	Phillip Lougher <phillip.lougher@...il.com>,
	Andreas Dilger <adilger@...ger.ca>,
	Jiri Kosina <jkosina@...e.cz>,
	Ric Wheeler <ricwheeler@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	David Howells <dhowells@...hat.com>,
	Ian Kent <ikent@...hat.com>, Jeff Moyer <jmoyer@...hat.com>,
	Christoph Hellwig <hch@...radead.org>,
	Hugh Dickins <hughd@...gle.com>, Eric Paris <eparis@...hat.com>
Subject: Re: [PATCH] tmpfs: implement generic xattr support

On 21 April 2011 17:22, Michal Suchanek <hramrach@...trum.cz> wrote:
> On 21 April 2011 16:58, Jordi Pujol <jordipujolp@...il.com> wrote:
>> A Dijous 21 Abril 2011 12:59:01, Michal Suchanek va escriure:
>>> Now it's time to build a larger image I guess.
>>
>> Hello,
>>
>> I have done it, building a desktop image that contains kde4 and some services,
>> The tests show that tmpfs is broken, it makes first operations but at some
>> point it becomes erratic; that occurs in non-persistent mode, where
>> overlayfs upperdir is on tmpfs, and in persistent mode also but in this case
>> more user working is needed before tmpfs failure,
>>
>> in Linux single user mode I have installed the nvidia packages and driver
>> using dpkg, only some files are installed, therefore I tried creating manually
>> a required directory and in this manner the process has done some steps more.
>>
>> kernel source:
>>
>> http://livenet.selfip.com/ftp/debian/linux-2.6/linux-2.6.38-3.jpp.3-
>> lnet_2.6.38-15.tar.bz2
>>
>> logs:
>>
>> http://livenet.selfip.com/ftp/debian/overlayfs/test-tmpfs-xattrs.tar.bz2
>>
>
> Yes, while the system appears to run generally fine unpacking dpkg
> packages fails.

You will be probably interested in this log:

ls: cannot access /usr/share/doc/ucb*: No such file or directory
...
rmdir("/usr/share/doc/ucblogo.dpkg-new") = -1 ENOENT (No such file or directory)
rmdir("/usr/share/doc/ucblogo.dpkg-tmp") = -1 ENOENT (No such file or directory)
mkdir("/usr/share/doc/ucblogo.dpkg-new", 0) = 0
chown32("/usr/share/doc/ucblogo.dpkg-new", 0, 0) = 0
chmod("/usr/share/doc/ucblogo.dpkg-new", 0755) = 0
utime("/usr/share/doc/ucblogo.dpkg-new", [2011/04/21-15:37:05,
2008/06/08-11:38:17]) = 0
rename("/usr/share/doc/ucblogo.dpkg-new", "/usr/share/doc/ucblogo") =
-1 EOPNOTSUPP (Operation not supported)

Thanks

Michal
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