Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753950Ab2EZNXk (ORCPT ); Sat, 26 May 2012 09:23:40 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:58205 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753617Ab2EZNWt (ORCPT ); Sat, 26 May 2012 09:22:49 -0400 From: Anton Vorontsov To: Greg Kroah-Hartman , Kees Cook , Colin Cross , Tony Luck Cc: Arnd Bergmann , John Stultz , Shuah Khan , arve@android.com, Rebecca Schultz Zavin , Jesper Juhl , Randy Dunlap , Stephen Boyd , Thomas Meyer , Andrew Morton , Marco Stornelli , WANG Cong , linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, linaro-kernel@lists.linaro.org, patches@linaro.org, kernel-team@android.com Subject: [PATCH 10/11] pstore/platform: Make automatic updates interval configurable Date: Sat, 26 May 2012 06:20:28 -0700 Message-Id: <1338038429-21945-10-git-send-email-anton.vorontsov@linaro.org> X-Mailer: git-send-email 1.7.9.2 In-Reply-To: <20120526131747.GA15054@lizard> References: <20120526131747.GA15054@lizard> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1938 Lines: 63 There is no behavioural change, the default value is still 60 seconds. Signed-off-by: Anton Vorontsov Acked-by: Kees Cook --- fs/pstore/platform.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 61461ed..34ca314 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include "internal.h" @@ -40,7 +41,10 @@ * whether the system is actually still running well enough * to let someone see the entry */ -#define PSTORE_INTERVAL (60 * HZ) +static int pstore_update_ms = 60000; +module_param_named(update_ms, pstore_update_ms, int, 0600); +MODULE_PARM_DESC(update_ms, "milliseconds before pstore updates its content " + "(default is 60000; -1 means runtime updates are disabled)"); static int pstore_new_entry; @@ -231,8 +235,11 @@ int pstore_register(struct pstore_info *psi) kmsg_dump_register(&pstore_dumper); pstore_register_console(); - pstore_timer.expires = jiffies + PSTORE_INTERVAL; - add_timer(&pstore_timer); + if (pstore_update_ms >= 0) { + pstore_timer.expires = jiffies + + msecs_to_jiffies(pstore_update_ms); + add_timer(&pstore_timer); + } return 0; } @@ -291,7 +298,7 @@ static void pstore_timefunc(unsigned long dummy) schedule_work(&pstore_work); } - mod_timer(&pstore_timer, jiffies + PSTORE_INTERVAL); + mod_timer(&pstore_timer, jiffies + msecs_to_jiffies(pstore_update_ms)); } module_param(backend, charp, 0444); -- 1.7.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/