From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761691AbcALGvn (ORCPT ); Tue, 12 Jan 2016 01:51:43 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:36456 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761201AbcALGuQ (ORCPT ); Tue, 12 Jan 2016 01:50:16 -0500 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, axboe@fb.com Cc: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 17/25] lightnvm: reference rrpc lun in rrpc block Date: Tue, 12 Jan 2016 07:49:31 +0100 Message-Id: <1452581379-18162-18-git-send-email-m@bjorling.me> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1452581379-18162-1-git-send-email-m@bjorling.me> References: <1452581379-18162-1-git-send-email-m@bjorling.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Javier González Currently, a rrpc block only points to its nvm_lun. If a user wants to find the associated rrpc lun, it will have to calculate the index and look it up manually. By referencing the rrpc lun directly, this step can be omitted, at the cost of a larger memory footprint. This is important for upcoming patches that implement write buffering in rrpc. Signed-off-by: Javier González Signed-off-by: Matias Bjørling --- drivers/lightnvm/rrpc.c | 1 + drivers/lightnvm/rrpc.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 9a5d940..280350c 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -1150,6 +1150,7 @@ static int rrpc_luns_init(struct rrpc *rrpc, int lun_begin, int lun_end) struct nvm_block *blk = &lun->blocks[j]; rblk->parent = blk; + rblk->rlun = rlun; INIT_LIST_HEAD(&rblk->prio); spin_lock_init(&rblk->lock); } diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h index a9696a0..7c5fa4d 100644 --- a/drivers/lightnvm/rrpc.h +++ b/drivers/lightnvm/rrpc.h @@ -54,6 +54,7 @@ struct rrpc_rq { struct rrpc_block { struct nvm_block *parent; + struct rrpc_lun *rlun; struct list_head prio; #define MAX_INVALID_PAGES_STORAGE 8 -- 2.1.4