linux-kernel - [PATCH -mm 1/8] nsproxy: externalizes exit_task

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Message-ID: <20070104181058.GB11377@sergelap.austin.ibm.com>
Date:	Thu, 4 Jan 2007 12:10:58 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH -mm 1/8] nsproxy: externalizes exit_task_namespaces

From: Cedric Le Goater <clg@...ibm.com>
Subject: [PATCH -mm 1/8] nsproxy: externalizes exit_task_namespaces

this is required to remove a header dependency in sched.h which breaks
next patches.

Signed-off-by: Cedric Le Goater <clg@...ibm.com>
Signed-off-by: Serge E. Hallyn <serue@...ibm.com>
---
 include/linux/nsproxy.h |   15 ++++-----------
 kernel/nsproxy.c        |   11 +++++++++++
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index 0b9f0dc..602f3d2 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -2,7 +2,8 @@ #ifndef _LINUX_NSPROXY_H
 #define _LINUX_NSPROXY_H
 
 #include <linux/spinlock.h>
-#include <linux/sched.h>
+
+struct task_struct;
 
 struct mnt_namespace;
 struct uts_namespace;
@@ -43,14 +44,6 @@ static inline void put_nsproxy(struct ns
 	}
 }
 
-static inline void exit_task_namespaces(struct task_struct *p)
-{
-	struct nsproxy *ns = p->nsproxy;
-	if (ns) {
-		task_lock(p);
-		p->nsproxy = NULL;
-		task_unlock(p);
-		put_nsproxy(ns);
-	}
-}
+extern void exit_task_namespaces(struct task_struct *p);
+
 #endif
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index f5b9ee6..f11bbbf 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -36,6 +36,17 @@ void get_task_namespaces(struct task_str
 	}
 }
 
+void exit_task_namespaces(struct task_struct *p)
+{
+	struct nsproxy *ns = p->nsproxy;
+	if (ns) {
+		task_lock(p);
+		p->nsproxy = NULL;
+		task_unlock(p);
+		put_nsproxy(ns);
+	}
+}
+
 /*
  * creates a copy of "orig" with refcount 1.
  * This does not grab references to the contained namespaces,
-- 
1.4.1

-
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