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Commit 435d5f4b authored by Al Viro's avatar Al Viro
Browse files

common object embedded into various struct ....ns 



for now - just move corresponding ->proc_inum instances over there

Acked-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent cac7f242

fs/mount.h

+2 −1
Original line number Diff line number Diff line 
#include <linux/mount.h>

#include <linux/seq_file.h>

#include <linux/poll.h>

#include <linux/ns_common.h>



struct mnt_namespace {

	atomic_t		count;

	unsigned int		proc_inum;

	struct ns_common	ns;

	struct mount *	root;

	struct list_head	list;

	struct user_namespace	*user_ns;

fs/namespace.c

+3 −3
Original line number Diff line number Diff line
@@ -2640,7 +2640,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, 


static void free_mnt_ns(struct mnt_namespace *ns)

{

	proc_free_inum(ns->proc_inum);

	proc_free_inum(ns->ns.inum);

	put_user_ns(ns->user_ns);

	kfree(ns);

}
@@ -2662,7 +2662,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) 
	new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);

	if (!new_ns)

		return ERR_PTR(-ENOMEM);

	ret = proc_alloc_inum(&new_ns->proc_inum);

	ret = proc_alloc_inum(&new_ns->ns.inum);

	if (ret) {

		kfree(new_ns);

		return ERR_PTR(ret);
@@ -3201,7 +3201,7 @@ static int mntns_install(struct nsproxy *nsproxy, void *ns) 
static unsigned int mntns_inum(void *ns)

{

	struct mnt_namespace *mnt_ns = ns;

	return mnt_ns->proc_inum;

	return mnt_ns->ns.inum;

}



const struct proc_ns_operations mntns_operations = {

include/linux/ipc_namespace.h

+2 −1
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <linux/rwsem.h>

#include <linux/notifier.h>

#include <linux/nsproxy.h>

#include <linux/ns_common.h>



/*

 * ipc namespace events
@@ -68,7 +69,7 @@ struct ipc_namespace { 
	/* user_ns which owns the ipc ns */

	struct user_namespace *user_ns;



	unsigned int	proc_inum;

	struct ns_common ns;

};



extern struct ipc_namespace init_ipc_ns;

include/linux/ns_common.h

0 → 100644
+8 −0
Original line number Diff line number Diff line 
#ifndef _LINUX_NS_COMMON_H

#define _LINUX_NS_COMMON_H



struct ns_common {

	unsigned int inum;

};



#endif

include/linux/pid_namespace.h

+2 −1
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include <linux/threads.h>

#include <linux/nsproxy.h>

#include <linux/kref.h>

#include <linux/ns_common.h>



struct pidmap {

       atomic_t nr_free;
@@ -43,7 +44,7 @@ struct pid_namespace { 
	kgid_t pid_gid;

	int hide_pid;

	int reboot;	/* group exit code if this pidns was rebooted */

	unsigned int proc_inum;

	struct ns_common ns;

};



extern struct pid_namespace init_pid_ns;