proc: seqfile convert proc_pid_status to properly handle pid namespaces

[powerpc.git] / include / linux / proc_fs.h

diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 1273c6e..e4a8f9a 100644 (file)
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -19,6 +19,8 @@ struct completion;
  */
 #define FIRST_PROCESS_ENTRY 256
 
+/* Worst case buffer size needed for holding an integer. */
+#define PROC_NUMBUF 13
 
 /*
  * We always define these enumerators
@@ -48,6 +50,8 @@ typedef       int (read_proc_t)(char *page, char **start, off_t off,
 typedef        int (write_proc_t)(struct file *file, const char __user *buffer,
                           unsigned long count, void *data);
 typedef int (get_info_t)(char *, char **, off_t, int);
+typedef struct proc_dir_entry *(shadow_proc_t)(struct task_struct *task,
+                                               struct proc_dir_entry *pde);
 
 struct proc_dir_entry {
        unsigned int low_ino;
@@ -75,10 +79,10 @@ struct proc_dir_entry {
        read_proc_t *read_proc;
        write_proc_t *write_proc;
        atomic_t count;         /* use count */
-       int deleted;            /* delete flag */
        int pde_users;  /* number of callers into module in progress */
        spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
        struct completion *pde_unload_completion;
+       shadow_proc_t *shadow_proc;
 };
 
 struct kcore_list {
@@ -114,7 +118,7 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
 int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
 unsigned long task_vsize(struct mm_struct *);
 int task_statm(struct mm_struct *, int *, int *, int *, int *);
-char *task_mem(struct mm_struct *, char *);
+void task_mem(struct seq_file *, struct mm_struct *);
 void clear_refs_smap(struct mm_struct *mm);
 
 struct proc_dir_entry *de_get(struct proc_dir_entry *de);
@@ -199,6 +203,8 @@ static inline struct proc_dir_entry *create_proc_info_entry(const char *name,
 extern struct proc_dir_entry *proc_net_fops_create(struct net *net,
        const char *name, mode_t mode, const struct file_operations *fops);
 extern void proc_net_remove(struct net *net, const char *name);
+extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
+       struct proc_dir_entry *parent);
 
 #else
 
@@ -257,6 +263,9 @@ extern void kclist_add(struct kcore_list *, void *, size_t);
 union proc_op {
        int (*proc_get_link)(struct inode *, struct dentry **, struct vfsmount **);
        int (*proc_read)(struct task_struct *task, char *page);
+       int (*proc_show)(struct seq_file *m,
+               struct pid_namespace *ns, struct pid *pid,
+               struct task_struct *task);
 };
 
 struct proc_inode {