DL-Mirrors/kernel-tenderloin-3.0
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/linux-2.6-nsfd

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* git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/linux-2.6-nsfd:
  net: fix get_net_ns_by_fd for !CONFIG_NET_NS
  ns proc: Return -ENOENT for a nonexistent /proc/self/ns/ entry.
  ns: Declare sys_setns in syscalls.h
  net: Allow setting the network namespace by fd
  ns proc: Add support for the ipc namespace
  ns proc: Add support for the uts namespace
  ns proc: Add support for the network namespace.
  ns: Introduce the setns syscall
  ns: proc files for namespace naming policy.
This commit is contained in:
Linus Torvalds
2011-05-25 18:10:16 -07:00
parent 49a78d085f 956c920786
commit 14d74e0cab
14 changed files with 444 additions and 12 deletions
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21
include/linux/proc_fs.h
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@@ -179,6 +179,8 @@ extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);
extern struct file *get_mm_exe_file(struct mm_struct *mm);
extern void dup_mm_exe_file(struct mm_struct *oldmm, struct mm_struct *newmm);
extern struct file *proc_ns_fget(int fd);
#else
#define proc_net_fops_create(net, name, mode, fops) ({ (void)(mode), NULL; })
@@ -241,6 +243,11 @@ static inline void dup_mm_exe_file(struct mm_struct *oldmm,
struct mm_struct *newmm)
{}
static inline struct file *proc_ns_fget(int fd)
{
return ERR_PTR(-EINVAL);
}
#endif /* CONFIG_PROC_FS */
#if !defined(CONFIG_PROC_KCORE)
@@ -252,6 +259,18 @@ kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
extern void kclist_add(struct kcore_list *, void *, size_t, int type);
#endif
struct nsproxy;
struct proc_ns_operations {
const char *name;
int type;
void *(*get)(struct task_struct *task);
void (*put)(void *ns);
int (*install)(struct nsproxy *nsproxy, void *ns);
};
extern const struct proc_ns_operations netns_operations;
extern const struct proc_ns_operations utsns_operations;
extern const struct proc_ns_operations ipcns_operations;
union proc_op {
int (*proc_get_link)(struct inode *, struct path *);
int (*proc_read)(struct task_struct *task, char *page);
@@ -270,6 +289,8 @@ struct proc_inode {
struct proc_dir_entry *pde;
struct ctl_table_header *sysctl;
struct ctl_table *sysctl_entry;
void *ns;
const struct proc_ns_operations *ns_ops;
struct inode vfs_inode;
};