From patchwork Wed Apr 13 19:36:24 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 8826291 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E614C9F36E for ; Wed, 13 Apr 2016 19:41:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E528120357 for ; Wed, 13 Apr 2016 19:41:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7319200F2 for ; Wed, 13 Apr 2016 19:41:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbcDMTkQ (ORCPT ); Wed, 13 Apr 2016 15:40:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44374 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932455AbcDMTiD (ORCPT ); Wed, 13 Apr 2016 15:38:03 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 90823552D2; Wed, 13 Apr 2016 19:38:02 +0000 (UTC) Received: from rh2.redhat.com (vpn-61-74.rdu2.redhat.com [10.10.61.74]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3DJaU9Y018278; Wed, 13 Apr 2016 15:38:00 -0400 From: mchristi@redhat.com To: linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org, konrad.wilk@oracle.com, drbd-dev@lists.linbit.com, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, linux-raid@vger.kernel.org, dm-devel@redhat.com, linux-fsdevel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mtd@lists.infradead.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, osd-dev@open-osd.org, xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com Cc: Mike Christie Subject: [PATCH 38/42] block, fs: remove old REQ definitions. Date: Wed, 13 Apr 2016 14:36:24 -0500 Message-Id: <1460576188-5751-39-git-send-email-mchristi@redhat.com> In-Reply-To: <1460576188-5751-1-git-send-email-mchristi@redhat.com> References: <1460576188-5751-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mike Christie We no longer use REQ_WRITE. REQ_WRITE_SAME and REQ_DISCARD, so this patch removes them. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig --- include/linux/blk_types.h | 21 ++++++--------------- include/linux/fs.h | 21 +++++++++++---------- include/trace/events/f2fs.h | 1 - 3 files changed, 17 insertions(+), 26 deletions(-) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 6e49c91..b4251ed 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -151,7 +151,6 @@ struct bio { */ enum rq_flag_bits { /* common flags */ - __REQ_WRITE, /* not set, read. set, write */ __REQ_FAILFAST_DEV, /* no driver retries of device errors */ __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ @@ -159,9 +158,7 @@ enum rq_flag_bits { __REQ_SYNC, /* request is sync (sync write or read) */ __REQ_META, /* metadata io request */ __REQ_PRIO, /* boost priority in cfq */ - __REQ_DISCARD, /* request to discard sectors */ - __REQ_SECURE, /* secure discard (used with __REQ_DISCARD) */ - __REQ_WRITE_SAME, /* write same block many times */ + __REQ_SECURE, /* secure discard (used with REQ_OP_DISCARD) */ __REQ_NOIDLE, /* don't anticipate more IO after this one */ __REQ_INTEGRITY, /* I/O includes block integrity payload */ @@ -197,28 +194,22 @@ enum rq_flag_bits { __REQ_NR_BITS, /* stops here */ }; -#define REQ_WRITE (1ULL << __REQ_WRITE) #define REQ_FAILFAST_DEV (1ULL << __REQ_FAILFAST_DEV) #define REQ_FAILFAST_TRANSPORT (1ULL << __REQ_FAILFAST_TRANSPORT) #define REQ_FAILFAST_DRIVER (1ULL << __REQ_FAILFAST_DRIVER) #define REQ_SYNC (1ULL << __REQ_SYNC) #define REQ_META (1ULL << __REQ_META) #define REQ_PRIO (1ULL << __REQ_PRIO) -#define REQ_DISCARD (1ULL << __REQ_DISCARD) -#define REQ_WRITE_SAME (1ULL << __REQ_WRITE_SAME) #define REQ_NOIDLE (1ULL << __REQ_NOIDLE) #define REQ_INTEGRITY (1ULL << __REQ_INTEGRITY) #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ - (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \ - REQ_DISCARD | REQ_WRITE_SAME | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | \ - REQ_SECURE | REQ_INTEGRITY) + (REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | REQ_NOIDLE | \ + REQ_FLUSH | REQ_FUA | REQ_SECURE | REQ_INTEGRITY) #define REQ_CLONE_MASK REQ_COMMON_MASK -#define BIO_NO_ADVANCE_ITER_MASK (REQ_DISCARD|REQ_WRITE_SAME) - /* This mask is used for both bio and request merge checking */ #define REQ_NOMERGE_FLAGS \ (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA | REQ_FLUSH_SEQ) @@ -250,9 +241,9 @@ enum rq_flag_bits { enum req_op { REQ_OP_READ, - REQ_OP_WRITE = REQ_WRITE, - REQ_OP_DISCARD = REQ_DISCARD, - REQ_OP_WRITE_SAME = REQ_WRITE_SAME, + REQ_OP_WRITE, + REQ_OP_DISCARD, /* request to discard sectors */ + REQ_OP_WRITE_SAME, /* write same block many times */ }; typedef unsigned int blk_qc_t; diff --git a/include/linux/fs.h b/include/linux/fs.h index 9becf20..509e21f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -153,9 +153,10 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); #define CHECK_IOVEC_ONLY -1 /* - * The below are the various read and write types that we support. Some of + * The below are the various read and write flags that we support. Some of * them include behavioral modifiers that send information down to the - * block layer and IO scheduler. Terminology: + * block layer and IO scheduler. They should be used along with a req_op. + * Terminology: * * The block layer uses device plugging to defer IO a little bit, in * the hope that we will see more IO very shortly. This increases @@ -194,19 +195,19 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); * non-volatile media on completion. * */ -#define RW_MASK REQ_WRITE +#define RW_MASK REQ_OP_WRITE #define RWA_MASK REQ_RAHEAD -#define READ 0 +#define READ REQ_OP_READ #define WRITE RW_MASK #define READA RWA_MASK -#define READ_SYNC (READ | REQ_SYNC) -#define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) -#define WRITE_ODIRECT (WRITE | REQ_SYNC) -#define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) -#define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) -#define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) +#define READ_SYNC REQ_SYNC +#define WRITE_SYNC (REQ_SYNC | REQ_NOIDLE) +#define WRITE_ODIRECT REQ_SYNC +#define WRITE_FLUSH (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) +#define WRITE_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FUA) +#define WRITE_FLUSH_FUA (REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) /* * Attribute flags. These should be or-ed together to figure out what diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index db75d69..20f708e 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -31,7 +31,6 @@ TRACE_DEFINE_ENUM(BG_GC); TRACE_DEFINE_ENUM(LFS); TRACE_DEFINE_ENUM(SSR); TRACE_DEFINE_ENUM(__REQ_RAHEAD); -TRACE_DEFINE_ENUM(__REQ_WRITE); TRACE_DEFINE_ENUM(__REQ_SYNC); TRACE_DEFINE_ENUM(__REQ_NOIDLE); TRACE_DEFINE_ENUM(__REQ_FLUSH);