From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761312AbYBOUt1 (ORCPT ); Fri, 15 Feb 2008 15:49:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754067AbYBOUsz (ORCPT ); Fri, 15 Feb 2008 15:48:55 -0500 Received: from smtp-out.google.com ([216.239.45.13]:5238 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753386AbYBOUsy (ORCPT ); Fri, 15 Feb 2008 15:48:54 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=received:message-id:references:user-agent:date:from:to:cc: subject:content-disposition; b=ZbtHf7Cvn/xAUywK/LgVc9AnsaUYQh8kCr6PcGhaxkhj8en/1HF8DEJo59BiEpNuJ nQQTuRdX8UXpF1YWaMHKw== Message-Id: <20080215204821.252919000@menage.corp.google.com> References: <20080215204418.535025000@menage.corp.google.com> User-Agent: quilt/0.45-1 Date: Fri, 15 Feb 2008 12:44:22 -0800 From: Paul Menage To: balbir@in.ibm.com, pj@sgi.com, Pavel Emelianov , KAMEZAWA Hiroyuki , vatsa@linux.vnet.ibm.com, akpm@linux-foundation.org Cc: containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [RFC][PATCH 4/7] CGroup API: Add res_counter_read_uint() Content-Disposition: inline; filename=resource_counter_read_uint.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adds a function for returning the value of a resource counter member, in a form suitable for use in a cgroup read_uint control file method. Signed-off-by: Paul Menage --- include/linux/res_counter.h | 1 + kernel/res_counter.c | 5 +++++ 2 files changed, 6 insertions(+) Index: cgroupmap-2.6.24-mm1/include/linux/res_counter.h =================================================================== --- cgroupmap-2.6.24-mm1.orig/include/linux/res_counter.h +++ cgroupmap-2.6.24-mm1/include/linux/res_counter.h @@ -54,6 +54,7 @@ struct res_counter { ssize_t res_counter_read(struct res_counter *counter, int member, const char __user *buf, size_t nbytes, loff_t *pos, int (*read_strategy)(unsigned long long val, char *s)); +u64 res_counter_read_uint(struct res_counter *counter, int member); ssize_t res_counter_write(struct res_counter *counter, int member, const char __user *buf, size_t nbytes, loff_t *pos, int (*write_strategy)(char *buf, unsigned long long *val)); Index: cgroupmap-2.6.24-mm1/kernel/res_counter.c =================================================================== --- cgroupmap-2.6.24-mm1.orig/kernel/res_counter.c +++ cgroupmap-2.6.24-mm1/kernel/res_counter.c @@ -92,6 +92,11 @@ ssize_t res_counter_read(struct res_coun pos, buf, s - buf); } +u64 res_counter_read_uint(struct res_counter *counter, int member) +{ + return *res_counter_member(counter, member); +} + ssize_t res_counter_write(struct res_counter *counter, int member, const char __user *userbuf, size_t nbytes, loff_t *pos, int (*write_strategy)(char *st_buf, unsigned long long *val)) --