From: "Benjamin Thery" <ben.thery@gmail.com>
To: "Daniel Lezcano" <dlezcano@fr.ibm.com>
Cc: "Greg KH" <gregkh@suse.de>,
"Benjamin Thery" <benjamin.thery@bull.net>,
linux-kernel@vger.kernel.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Tejun Heo" <htejun@gmail.com>, "Al Viro" <viro@ftp.linux.org.uk>,
"Serge E. Hallyn" <serue@us.ibm.com>,
"Pavel Emelyanov" <xemul@openvz.org>,
netdev@vger.kernel.org
Subject: Re: [RESEND][PATCH 00/11] sysfs tagged directories
Date: Wed, 7 May 2008 15:47:48 +0200 [thread overview]
Message-ID: <939d53060805070647h10965232j7e2792708d34ae8@mail.gmail.com> (raw)
In-Reply-To: <4821AC4A.1010905@fr.ibm.com>
On Wed, May 7, 2008 at 3:19 PM, Daniel Lezcano <dlezcano@fr.ibm.com> wrote:
> Greg KH wrote:
>
> > On Tue, May 06, 2008 at 07:30:30PM +0200, Benjamin Thery wrote:
> >
> > > This is still the same port of Eric Biederman's patchset to implement
> > > tagged directories in sysfs that was discussed a few days ago.
> > >
> > > This time it applies on top of 2.6.26-rc1, which includes a fix from
> Daniel Lezcano to fix net device renaming
> > > for sysfs (and of course all the network namespaces stuff that was
> committed in net-2.6.26).
> > >
> > > This patchset still contains the patch from Serge Hallyn that implements
> > > tagging for user namespaces.
> > >
> > > It also contains a patch from Daniel Lezcano which allows to have net
> devices with the same name in two different network namespaces.
> > >
> >
> > Does this all work properly with both CONFIG_SYSFS_DEPRECATED enabled
> > and disabled?
> >
> > Can you show some outputs of 'tree' in both cases on the /sys/class/net/
> > directory?
> >
> > thanks,
> >
> > greg k-h
> >
>
> Here is the output from an ls -l of /sys/class/net. I tryed with different
> configurations and checked the renamed network devices are propagated to the
> sysfs.
Thanks Daniel.
You covered more cases than I was planning to send :)
Benjamin
>
> 1) CONFIG_SYSFS_DEPRECATED && CONFIG_SYS && CONFIG_NET_NS
> =========================================================
>
> Outside a namespace:
> --------------------
>
> qemu:~> ip l
> 1: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 3: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop
> link/ether 1e:43:9e:1f:1f:55 brd ff:ff:ff:ff:ff:ff
> 4: br0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc noqueue
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 16: veth1: <BROADCAST,MULTICAST,PROMISC> mtu 1500 qdisc pfifo_fast qlen
> 1000
> link/ether 8e:94:e6:72:63:cf brd ff:ff:ff:ff:ff:ff
>
> qemu:~/lxc> ll /sys/class/net/
> total 0
> drwxr-xr-x 5 root root 0 2008-05-07 15:24 br0
> drwxr-xr-x 3 root root 0 2008-05-07 13:16 dummy0
> drwxr-xr-x 4 root root 0 2008-05-07 15:24 eth0
> drwxr-xr-x 3 root root 0 2008-05-07 13:16 lo
> drwxr-xr-x 4 root root 0 2008-05-07 15:26 veth1
>
>
> Inside the namespace:
> ----------------------
>
> qemu:~> ip l
> 14: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 15: veth2: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen
> 1000
> link/ether 46:85:e5:76:90:05 brd ff:ff:ff:ff:ff:ff
>
> virtnode:~lxc # ll /sys/class/net/
> total 0
> drwxr-xr-x 3 root root 0 May 7 15:28 lo
> drwxr-xr-x 3 root root 0 May 7 15:26 veth2
>
> 2) CONFIG_SYSFS && CONFIG_NET_NS
> ================================
>
>
> Outside the namespace:
> ----------------------
>
> qemu:~> ip l
> 1: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 3: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop
> link/ether 72:16:3d:88:11:70 brd ff:ff:ff:ff:ff:ff
> 4: br0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc noqueue
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 13: veth1: <BROADCAST,MULTICAST,PROMISC> mtu 1500 qdisc pfifo_fast qlen
> 1000
> link/ether aa:6f:e8:dd:b8:ba brd ff:ff:ff:ff:ff:ff
>
> * Content of /sys/class/net:
>
> qemu:~/lxc> ll /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:31 br0 ->
> ../../devices/virtual/net/br0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:28 dummy0 ->
> ../../devices/virtual/net/dummy0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:28 eth0 ->
> ../../devices/pci0000:00/0000:00:03.0/net/eth0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:28 lo ->
> ../../devices/virtual/net/lo
> lrwxrwxrwx 1 root root 0 2008-05-07 14:35 veth1 ->
> ../../devices/virtual/net/veth1
>
> Inside the namespace:
> ----------------------
>
> qemu:~> ip l
> 11: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 12: veth2: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen
> 1000
> link/ether ee:c5:a3:7c:58:bd brd ff:ff:ff:ff:ff:ff
>
> virtnode:~/lxc # ll /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 May 7 14:40 lo -> ../../devices/virtual/net/lo
> lrwxrwxrwx 1 root root 0 May 7 14:40 veth2 ->
> ../../devices/virtual/net/veth2
>
>
> 3) CONFIG_SYSFS
> ===============
>
> qemu:~> ip l
> 1: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 3: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop
> link/ether 6e:3a:5f:2f:fa:cb brd ff:ff:ff:ff:ff:ff
> 4: br0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc noqueue
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
>
> qemu:~/lxc> ll /sys/class/net/
> total 0
> lrwxrwxrwx 1 root root 0 2008-05-07 15:01 br0 ->
> ../../devices/virtual/net/br0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:59 dummy0 ->
> ../../devices/virtual/net/dummy0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:59 eth0 ->
> ../../devices/pci0000:00/0000:00:03.0/net/eth0
> lrwxrwxrwx 1 root root 0 2008-05-07 14:59 lo ->
> ../../devices/virtual/net/lo
>
> 4) CONFIG_SYSFS_DEPRECATED && CONFIG_SYSFS
> ==========================================
>
> qemu:~> ip l
> 1: lo: <LOOPBACK,UP,10000> mtu 16436 qdisc noqueue
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
> 3: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop
> link/ether 16:85:f0:a8:34:44 brd ff:ff:ff:ff:ff:ff
> 4: br0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc noqueue
> link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
>
> qemu:~> ll /sys/class/net/
> total 0
> drwxr-xr-x 5 root root 0 2008-05-07 15:07 br0
> drwxr-xr-x 3 root root 0 2008-05-07 15:06 dummy0
> drwxr-xr-x 4 root root 0 2008-05-07 15:07 eth0
> drwxr-xr-x 3 root root 0 2008-05-07 15:06 lo
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
next prev parent reply other threads:[~2008-05-07 13:47 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-06 17:30 [RESEND][PATCH 00/11] sysfs tagged directories Benjamin Thery
2008-05-06 17:30 ` [PATCH 01/11] sysfs: Support for preventing unmounts Benjamin Thery
2008-05-06 17:30 ` [PATCH 02/11] sysfs: sysfs_get_dentry add a sb parameter Benjamin Thery
2008-05-06 17:31 ` [PATCH 03/11] sysfs: Implement __sysfs_get_dentry Benjamin Thery
2008-05-06 17:31 ` [PATCH 04/11] sysfs: Rename Support multiple superblocks Benjamin Thery
2008-05-06 17:31 ` [PATCH 05/11] sysfs: sysfs_chmod_file handle " Benjamin Thery
2008-05-06 17:31 ` [PATCH 06/11] sysfs: Implement sysfs tagged directory support Benjamin Thery
2008-05-06 17:31 ` [PATCH 07/11] sysfs: Implement sysfs_delete_link and sysfs_rename_link Benjamin Thery
2008-05-06 17:31 ` [PATCH 08/11] driver core: Implement tagged directory support for device classes Benjamin Thery
2008-05-06 17:32 ` [PATCH 09/11] netns: Enable tagging for net_class directories in sysfs Benjamin Thery
2008-05-06 17:32 ` [PATCH 10/11] avoid kobject name conflict with different namespaces Benjamin Thery
2008-05-07 18:49 ` Eric W. Biederman
2008-05-07 19:08 ` Greg KH
2008-05-07 20:54 ` Eric W. Biederman
2008-05-08 8:28 ` Cornelia Huck
2008-05-08 19:28 ` Eric W. Biederman
2008-05-09 5:35 ` Cornelia Huck
2008-05-09 18:16 ` Eric W. Biederman
2008-05-08 19:25 ` Eric W. Biederman
2008-05-08 21:30 ` [PATCH] wireless: Add missing locking to cfg80211_dev_rename Eric W. Biederman
2008-05-08 22:12 ` Serge E. Hallyn
2008-05-08 22:18 ` Johannes Berg
2008-05-08 21:41 ` [PATCH] Fix kobject_rename and !CONFIG_SYSFS Eric W. Biederman
2008-05-12 22:02 ` kobject: " Greg KH
2008-05-13 7:00 ` Eric W. Biederman
2008-05-13 14:25 ` Benjamin Thery
2008-05-13 16:44 ` Greg KH
2008-05-13 17:55 ` [PATCH] Fix kobject_rename and !CONFIG_SYSFS v2 Eric W. Biederman
2008-05-13 18:23 ` Randy.Dunlap
2008-05-13 20:43 ` Eric W. Biederman
2008-05-13 20:16 ` Greg KH
2008-05-13 20:45 ` [PATCH] Fix kobject_rename and !CONFIG_SYSFS v3 Eric W. Biederman
2008-05-13 21:18 ` Randy Dunlap
2008-05-14 4:39 ` [PATCH] Fix kobject_rename and !CONFIG_SYSFS v4 Eric W. Biederman
2008-05-14 5:03 ` Andrew Morton
2008-05-14 9:01 ` Eric W. Biederman
2008-05-14 9:20 ` Andrew Morton
2008-05-14 9:51 ` Benjamin Thery
2008-05-14 9:56 ` Andrew Morton
2008-05-13 19:33 ` kobject: Fix kobject_rename and !CONFIG_SYSFS Benjamin Thery
2008-05-13 20:42 ` Eric W. Biederman
2008-05-06 17:32 ` [PATCH 11/11] sysfs: user namespaces: add ns to user_struct Benjamin Thery
2008-05-06 19:03 ` Serge E. Hallyn
2008-05-06 17:53 ` [RESEND][PATCH 00/11] sysfs tagged directories Greg KH
2008-05-06 18:41 ` Benjamin Thery
2008-05-07 13:19 ` Daniel Lezcano
2008-05-07 13:47 ` Benjamin Thery [this message]
2008-05-14 15:07 ` Benjamin Thery
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=939d53060805070647h10965232j7e2792708d34ae8@mail.gmail.com \
--to=ben.thery@gmail.com \
--cc=benjamin.thery@bull.net \
--cc=dlezcano@fr.ibm.com \
--cc=ebiederm@xmission.com \
--cc=gregkh@suse.de \
--cc=htejun@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=serue@us.ibm.com \
--cc=viro@ftp.linux.org.uk \
--cc=xemul@openvz.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).