Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932381AbaJHP62 (ORCPT ); Wed, 8 Oct 2014 11:58:28 -0400 Received: from mail-lb0-f170.google.com ([209.85.217.170]:60773 "EHLO mail-lb0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754430AbaJHP5G (ORCPT ); Wed, 8 Oct 2014 11:57:06 -0400 From: =?UTF-8?q?Matias=20Bj=C3=B8rling?= To: thornber@redhat.com, snitzer@redhat.com, hch@infradead.org, hayakawa@valinux.co.jp, axboe@fb.com, andy@rudoff.com, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, bvanassche@acm.org, linux-nvme@lists.infradead.org Cc: jmad@itu.dk, =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 2/5] block: extend rq_flag_bits Date: Wed, 8 Oct 2014 17:55:33 +0200 Message-Id: <1412783736-18115-3-git-send-email-m@bjorling.me> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412783736-18115-1-git-send-email-m@bjorling.me> References: <1412783736-18115-1-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: Jesper Madsen The rq_flag_bits is extended by REQ_NVM and REQ_NVM_MAPPED REQ_NVM is used to detect request have through LightNVM on submission, and can be detected on completion. REQ_NVM_MAPPED is used to detect if request have mapped appropriately through LightNVM. The latter is added temponarily to debug the LightNVM key-value target and will be removed later. Signed-off-by: Matias Bjørling --- include/linux/blk_types.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 66c2167..b1d2f4d 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -191,6 +191,8 @@ enum rq_flag_bits { __REQ_END, /* last of chain of requests */ __REQ_HASHED, /* on IO scheduler merge hash */ __REQ_MQ_INFLIGHT, /* track inflight for MQ */ + __REQ_NVM, /* request is queued via lightnvm */ + __REQ_NVM_MAPPED, /* lightnvm mapped this request */ __REQ_NR_BITS, /* stops here */ }; @@ -245,5 +247,7 @@ enum rq_flag_bits { #define REQ_END (1ULL << __REQ_END) #define REQ_HASHED (1ULL << __REQ_HASHED) #define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) +#define REQ_NVM (1ULL << __REQ_NVM) +#define REQ_NVM_MAPPED (1ULL << __REQ_NVM_MAPPED) #endif /* __LINUX_BLK_TYPES_H */ -- 1.9.1 -- 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/