From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20080221205525.165641000@menage.corp.google.com> References: <20080221203518.544461000@menage.corp.google.com> Date: Thu, 21 Feb 2008 12:35:19 -0800 From: menage@google.com Subject: [PATCH 1/2] ResCounter: Add res_counter_read_uint() Content-Disposition: inline; filename=resource_counter_read_uint.patch Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@linux-foundation.org, xemul@openvz.org, balbir@in.ibm.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: 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: rescounter-2.6.25-rc2-mm1/include/linux/res_counter.h =================================================================== --- rescounter-2.6.25-rc2-mm1.orig/include/linux/res_counter.h +++ rescounter-2.6.25-rc2-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: rescounter-2.6.25-rc2-mm1/kernel/res_counter.c =================================================================== --- rescounter-2.6.25-rc2-mm1.orig/kernel/res_counter.c +++ rescounter-2.6.25-rc2-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)) -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org