From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx199.postini.com [74.125.245.199]) by kanga.kvack.org (Postfix) with SMTP id A72556B0038 for ; Tue, 18 Jun 2013 19:53:01 -0400 (EDT) Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 19 Jun 2013 09:41:38 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id 927742CE8044 for ; Wed, 19 Jun 2013 09:52:54 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r5INc4mR5964050 for ; Wed, 19 Jun 2013 09:38:04 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r5INqr6T009230 for ; Wed, 19 Jun 2013 09:52:54 +1000 From: Wanpeng Li Subject: [PATCH v4 3/6] mm/writeback: commit reason of WB_REASON_FORKER_THREAD mismatch name Date: Wed, 19 Jun 2013 07:52:40 +0800 Message-Id: <1371599563-6424-3-git-send-email-liwanp@linux.vnet.ibm.com> In-Reply-To: <1371599563-6424-1-git-send-email-liwanp@linux.vnet.ibm.com> References: <1371599563-6424-1-git-send-email-liwanp@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Michal Hocko , David Rientjes , "Kirill A. Shutemov" , Fengguang Wu , Rik van Riel , Andrew Shewmaker , Jiri Kosina , Namjae Jeon , Jan Kara , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wanpeng Li Changelog: v3 - > v4: * add Tejun's Reviewed-by * explicitly point to the TPs rather than saying "somewhat" visible After commit 839a8e86("writeback: replace custom worker pool implementation with unbound workqueue"), there is no bdi forker thread any more. However, WB_REASON_FORKER_THREAD is still used due to it is TPs userland visible and we won't be exposing exactly the same information with just a different name. Reviewed-by: Tejun Heo Signed-off-by: Wanpeng Li --- include/linux/writeback.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 8b5cec4..ac73a9d 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -47,6 +47,11 @@ enum wb_reason { WB_REASON_LAPTOP_TIMER, WB_REASON_FREE_MORE_MEM, WB_REASON_FS_FREE_SPACE, +/* + * There is no bdi forker thread any more and works are done by emergency + * worker, however, this is TPs userland visible and we'll be exposing + * exactly the same information, so it has a mismatch name. + */ WB_REASON_FORKER_THREAD, WB_REASON_MAX, -- 1.7.5.4 -- 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