From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 18 Mar 2008 18:31:48 +0900 (JST) Message-Id: <20080318.183148.87079095.taka@valinux.co.jp> Subject: [PATCH 4/4] Block I/O tracking From: Hirokazu Takahashi In-Reply-To: <20080318.182251.93858044.taka@valinux.co.jp> References: <20080318.182251.93858044.taka@valinux.co.jp> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org List-ID: Hi, With this patch, dm-ioband can work with the bio cgroup. Signed-off-by: Hirokazu Takahashi --- linux-2.6.25-rc3.ioload/drivers/md/dm-ioband-type.c 2008-03-13 22:27:45.000000000 +0900 +++ linux-2.6.25-rc3-mm1/drivers/md/dm-ioband-type.c 2008-03-17 15:57:32.000000000 +0900 @@ -6,6 +6,7 @@ * This file is released under the GPL. */ #include +#include #include "dm.h" #include "dm-bio-list.h" #include "dm-ioband.h" @@ -57,13 +58,7 @@ static int ioband_node(struct bio *bio) static int ioband_cgroup(struct bio *bio) { - /* - * This function should return the ID of the cgroup which issued "bio". - * The ID of the cgroup which the current process belongs to won't be - * suitable ID for this purpose, since some BIOs will be handled by kernel - * threads like aio or pdflush on behalf of the process requesting the BIOs. - */ - return 0; /* not implemented yet */ + return get_bio_cgroup_id(bio->bi_io_vec[0].bv_page); } struct group_type dm_ioband_group_type[] = { -- 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