[PATCH] proc: don't lock task_structs indefinitely

[deliverable/linux.git] / fs / proc / internal.h

diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 548e7447ea47915c15ed5d560053289dca5aaea2..37f1648adc23e0f5dfa5aba60f788a8c4f921087 100644 (file)
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -10,6 +10,7 @@
  */
 
 #include <linux/proc_fs.h>
+#include <linux/task_ref.h>
 
 struct vmalloc_info {
        unsigned long   used;
@@ -41,13 +42,23 @@ extern struct file_operations proc_maps_operations;
 extern struct file_operations proc_numa_maps_operations;
 extern struct file_operations proc_smaps_operations;
 
+extern struct file_operations proc_maps_operations;
+extern struct file_operations proc_numa_maps_operations;
+extern struct file_operations proc_smaps_operations;
+
+
 void free_proc_entry(struct proc_dir_entry *de);
 
 int proc_init_inodecache(void);
 
-static inline struct task_struct *proc_task(struct inode *inode)
+static inline struct task_ref *proc_tref(struct inode *inode)
+{
+       return PROC_I(inode)->tref;
+}
+
+static inline struct task_struct *get_proc_task(struct inode *inode)
 {
-       return PROC_I(inode)->task;
+       return get_tref_task(proc_tref(inode));
 }
 
 static inline int proc_fd(struct inode *inode)