[FS]: Add seq_release_private and proc_net_fops_create helpers.

fs/seq_file.c

@@ -338,3 +338,13 @@ int single_release(struct inode *inode, struct file *file)
 	kfree(op);
 	return res;
 }
+
+int seq_release_private(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq = file->private_data;
+
+	kfree(seq->private);
+	seq->private = NULL;
+	return seq_release(inode, file);
+}
+

include/linux/proc_fs.h

@@ -163,6 +163,15 @@ static inline struct proc_dir_entry *proc_net_create(const char *name,
 	return create_proc_info_entry(name,mode,proc_net,get_info);
 }
 
+static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
+	mode_t mode, struct file_operations *fops)
+{
+	struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
+	if (res)
+		res->proc_fops = fops;
+	return res;
+}
+
 static inline void proc_net_remove(const char *name)
 {
 	remove_proc_entry(name,proc_net);
@@ -171,7 +180,7 @@ static inline void proc_net_remove(const char *name)
 #else
 
 #define proc_root_driver NULL
-
+#define proc_net_fops_create(name,mode,fops) do {} while(0)
 static inline struct proc_dir_entry *proc_net_create(const char *name, mode_t mode, 
 	get_info_t *get_info) {return NULL;}
 static inline void proc_net_remove(const char *name) {}

include/linux/seq_file.h

@@ -60,5 +60,6 @@ int seq_printf(struct seq_file *, const char *, ...)
 
 int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
 int single_release(struct inode *, struct file *);
+int seq_release_private(struct inode *, struct file *);
 #endif
 #endif

kernel/ksyms.c

@@ -540,6 +540,7 @@ EXPORT_SYMBOL(seq_read);
 EXPORT_SYMBOL(seq_lseek);
 EXPORT_SYMBOL(single_open);
 EXPORT_SYMBOL(single_release);
+EXPORT_SYMBOL(seq_release_private);
 
 /* Program loader interfaces */
 #ifdef CONFIG_MMU