Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933482Ab3FRXxf (ORCPT ); Tue, 18 Jun 2013 19:53:35 -0400 Received: from e23smtp07.au.ibm.com ([202.81.31.140]:47846 "EHLO e23smtp07.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932499Ab3FRXxA (ORCPT ); Tue, 18 Jun 2013 19:53:00 -0400 From: Wanpeng Li 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 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> X-Mailer: git-send-email 1.7.5.4 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> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13061823-0260-0000-0000-0000032E3792 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1416 Lines: 41 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 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/