57 	struct proc_fs_context *ctx = fc->fs_private;  in proc_parse_param()  local
67 		ctx->gid = result.uint_32;  in proc_parse_param()
71 		ctx->hidepid = result.uint_32;  in proc_parse_param()
72 		if (ctx->hidepid < HIDEPID_OFF ||  in proc_parse_param()
73 		    ctx->hidepid > HIDEPID_INVISIBLE)  in proc_parse_param()
81 	ctx->mask |= 1 << opt;  in proc_parse_param()
89 	struct proc_fs_context *ctx = fc->fs_private;  in proc_apply_options()  local
91 	if (ctx->mask & (1 << Opt_gid))  in proc_apply_options()
92 		pid_ns->pid_gid = make_kgid(user_ns, ctx->gid);  in proc_apply_options()
93 	if (ctx->mask & (1 << Opt_hidepid))  in proc_apply_options()
94 		pid_ns->hide_pid = ctx->hidepid;  in proc_apply_options()
157 	struct proc_fs_context *ctx = fc->fs_private;  in proc_get_tree()  local
159 	proc_apply_options(fc, ctx->pid_ns, current_user_ns());  in proc_get_tree()
160 	return get_tree_keyed(fc, proc_fill_super, ctx->pid_ns);  in proc_get_tree()
165 	struct proc_fs_context *ctx = fc->fs_private;  in proc_fs_context_free()  local
167 	put_pid_ns(ctx->pid_ns);  in proc_fs_context_free()
168 	kfree(ctx);  in proc_fs_context_free()
180 	struct proc_fs_context *ctx;  in proc_init_fs_context()  local
182 	ctx = kzalloc(sizeof(struct proc_fs_context), GFP_KERNEL);  in proc_init_fs_context()
183 	if (!ctx)  in proc_init_fs_context()
186 	ctx->pid_ns = get_pid_ns(task_active_pid_ns(current));  in proc_init_fs_context()
188 	fc->user_ns = get_user_ns(ctx->pid_ns->user_ns);  in proc_init_fs_context()
189 	fc->fs_private = ctx;  in proc_init_fs_context()
255 static int proc_root_readdir(struct file *file, struct dir_context *ctx)  in proc_root_readdir()  argument
257 	if (ctx->pos < FIRST_PROCESS_ENTRY) {  in proc_root_readdir()
258 		int error = proc_readdir(file, ctx);  in proc_root_readdir()
261 		ctx->pos = FIRST_PROCESS_ENTRY;  in proc_root_readdir()
264 	return proc_pid_readdir(file, ctx);  in proc_root_readdir()
304 	struct proc_fs_context *ctx;  in pid_ns_prepare_proc()  local
317 	ctx = fc->fs_private;  in pid_ns_prepare_proc()
318 	if (ctx->pid_ns != ns) {  in pid_ns_prepare_proc()
319 		put_pid_ns(ctx->pid_ns);  in pid_ns_prepare_proc()
321 		ctx->pid_ns = ns;  in pid_ns_prepare_proc()