linux-kernel - [PATCH 2/3] add do

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Message-ID: <20080409223406.GB28267@us.ibm.com>
Date:	Wed, 9 Apr 2008 15:34:06 -0700
From:	sukadev@...ibm.com
To:	Andrew Morton <akpm@...l.org>
Cc:	clg@...ibm.com, serue@...ibm.com,
	"David C. Hansen" <haveblue@...ibm.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Containers <containers@...ts.osdl.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] add do_unshare()


From: Sukadev Bhattiprolu <sukadev@...ibm.com>
Subject: [PATCH 2/3] add do_unshare()

This patch adds a do_unshare() routine which will be common
to the unshare() and unshare64() syscall.

Signed-off-by: Cedric Le Goater <clg@...ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@...ibm.com>
---
 kernel/fork.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Index: 2.6.25-rc2-mm1/kernel/fork.c
===================================================================
--- 2.6.25-rc2-mm1.orig/kernel/fork.c
+++ 2.6.25-rc2-mm1/kernel/fork.c
@@ -1696,7 +1696,7 @@ static int unshare_semundo(u64 unshare_f
  * constructed. Here we are modifying the current, active,
  * task_struct.
  */
-asmlinkage long sys_unshare(unsigned long unshare_flags)
+static long do_unshare(u64 unshare_flags)
 {
 	int err = 0;
 	struct fs_struct *fs, *new_fs = NULL;
@@ -1790,3 +1790,8 @@ bad_unshare_cleanup_thread:
 bad_unshare_out:
 	return err;
 }
+
+asmlinkage long sys_unshare(unsigned long unshare_flags)
+{
+	return do_unshare(unshare_flags);
+}

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