From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753934AbbAXOEW (ORCPT ); Sat, 24 Jan 2015 09:04:22 -0500 Received: from mail-qg0-f42.google.com ([209.85.192.42]:48828 "EHLO mail-qg0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753434AbbAXOER (ORCPT ); Sat, 24 Jan 2015 09:04:17 -0500 From: Tejun Heo To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 18/32] workqueue: use %*pb[l] to format bitmaps including cpumasks and nodemasks Date: Sat, 24 Jan 2015 09:03:24 -0500 Message-Id: <1422108218-25398-19-git-send-email-tj@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1422108218-25398-1-git-send-email-tj@kernel.org> References: <1422108218-25398-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk and friends can now formap bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. This patch is dependent on the following two patches. lib/vsprintf: implement bitmap printing through '%*pb[l]' cpumask, nodemask: implement cpumask/nodemask_pr_args() Please wait till the forementioned patches are merged to mainline before applying to subsystem trees. Signed-off-by: Tejun Heo --- kernel/workqueue.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index beeeac9..f288493 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3083,10 +3083,9 @@ static ssize_t wq_cpumask_show(struct device *dev, int written; mutex_lock(&wq->mutex); - written = cpumask_scnprintf(buf, PAGE_SIZE, wq->unbound_attrs->cpumask); + written = scnprintf(buf, PAGE_SIZE, "%*pb\n", + cpumask_pr_args(wq->unbound_attrs->cpumask)); mutex_unlock(&wq->mutex); - - written += scnprintf(buf + written, PAGE_SIZE - written, "\n"); return written; } -- 2.1.0