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[PATCH] namespaces: utsname: implement utsname namespaces

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This patch defines the uts namespace and some manipulators.
Adds the uts namespace to task_struct, and initializes a
system-wide init namespace.

It leaves a #define for system_utsname so sysctl will compile.
This define will be removed in a separate patch.

[akpm@osdl.org: build fix, cleanup]
Signed-off-by: Serge Hallyn <serue@us.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Andrey Savochkin <saw@sw.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Serge E. Hallyn 2006-10-02 02:18:14 -07:00 • committed by Linus Torvalds
parent 96b644bdec
commit 4865ecf131
9 changed files with 121 additions and 12 deletions
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2
include/linux/nsproxy.h
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@ -5,6 +5,7 @@
#include <linux/sched.h>
struct namespace;
struct uts_namespace;
/*
* A structure to contain pointers to all per-process
@ -21,6 +22,7 @@ struct namespace;
struct nsproxy {
atomic_t count;
spinlock_t nslock;
struct uts_namespace *uts_ns;
struct namespace *namespace;
};
extern struct nsproxy init_nsproxy;