From patchwork Wed Aug 4 09:56:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492012 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6561CC43216 for ; Wed, 4 Aug 2021 10:09:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4837D60F0F for ; Wed, 4 Aug 2021 10:09:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237369AbhHDKJe (ORCPT ); Wed, 4 Aug 2021 06:09:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237541AbhHDKJ1 (ORCPT ); Wed, 4 Aug 2021 06:09:27 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30B89C0613D5; Wed, 4 Aug 2021 03:09:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=wyyw2rjwpeKt+uQ2R+atw48w8P/AsLXlrqL/3XjtagU=; b=EmV6wYhTID92E2/QH8cEJm9OBH Yj11U/S2V0Hrv2p9BVSZFeXitTb/4GQ7dD/D85AjD12oMskgXdiP4UTkPDNvmOTruXevB/3R3nSZ3 Q+haEu1tvC6c0a2RDGO8xyaj051lbiurKpzRbbMn3Snroz16BZpMSCOm7RGagO6vfL+mVcAk3RTwR I9blmlHNhNUQq1N41qQctVMcMJ0hKF6KhRDZMCCDTBHzWWNRyyVonzvr50lKZkfdCE13ypvIIMafG CVvyuhuMkN3vOsN/B5JIsZEfY2jrK1qZlNwanH9pU2DzvavPYVrs1AhnJiXJy7bMx5XrD7KKwEG1j m/IVXkvQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDnR-005fxa-Fc; Wed, 04 Aug 2021 10:06:53 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 13/15] dasd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:32 +0200 Message-Id: <20210804095634.460779-14-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig Reviewed-by: Stefan Haberland --- drivers/s390/block/dasd_diag.c | 2 +- drivers/s390/block/dasd_eckd.c | 14 +++++++------- drivers/s390/block/dasd_fba.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 6bb775236c16..db5987281010 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -552,7 +552,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, dbio = dreq->bio; recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { memset(dbio, 0, sizeof (struct dasd_diag_bio)); dbio->type = rw_cmd; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 0de1a463c509..8610ea414322 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -3267,7 +3267,7 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb) end_blk = (curr_trk + 1) * recs_per_trk; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { if (first_blk + blk_count >= end_blk) { cqr->proc_bytes = blk_count * blksize; @@ -3999,7 +3999,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( last_rec - recid + 1, cmd, basedev, blksize); } rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, GFP_DMA | __GFP_NOWARN); @@ -4166,7 +4166,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track( idaw_dst = NULL; idaw_len = 0; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; while (seg_len) { if (new_track) { @@ -4509,7 +4509,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( new_track = 1; recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; while (seg_len) { if (new_track) { @@ -4542,7 +4542,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( } } else { rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); last_tidaw = itcw_add_tidaw(itcw, 0x00, dst, bv.bv_len); if (IS_ERR(last_tidaw)) { @@ -4778,7 +4778,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev, idaws = idal_create_words(idaws, rawpadpage, PAGE_SIZE); } rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; if (cmd == DASD_ECKD_CCW_READ_TRACK) memset(dst, 0, seg_len); @@ -4839,7 +4839,7 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req) if (private->uses_cdl == 0 || recid > 2*blk_per_trk) ccw++; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { /* Skip locate record. */ if (private->uses_cdl && recid <= 2*blk_per_trk) diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 3ad319aee51e..e084f4dedddd 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -501,7 +501,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular( } recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, GFP_DMA | __GFP_NOWARN); @@ -583,7 +583,7 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req) if (private->rdc_data.mode.bits.data_chain != 0) ccw++; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { /* Skip locate record. */ if (private->rdc_data.mode.bits.data_chain == 0)