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authorEric W. Biederman <ebiederm@xmission.com>2010-05-04 17:36:45 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-21 09:37:32 -0700
commit608b4b9548dedf4185ca47edcaae4bff2ceb62de (patch)
tree6855a119e99a4e0142c17b8cc4aa08968f3f6ab6 /include/linux
parent07e98962fa778b9782c8845dfcb06a84cc050744 (diff)
netns: Teach network device kobjects which namespace they are in.
The problem. Network devices show up in sysfs and with the network namespace active multiple devices with the same name can show up in the same directory, ouch! To avoid that problem and allow existing applications in network namespaces to see the same interface that is currently presented in sysfs, this patch enables the tagging directory support in sysfs. By using the network namespace pointers as tags to separate out the the sysfs directory entries we ensure that we don't have conflicts in the directories and applications only see a limited set of the network devices. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/kobject.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index b60d2dfe4e69..cf343a852534 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -142,6 +142,7 @@ extern const struct sysfs_ops kobj_sysfs_ops;
*/
enum kobj_ns_type {
KOBJ_NS_TYPE_NONE = 0,
+ KOBJ_NS_TYPE_NET,
KOBJ_NS_TYPES
};