From patchwork Sat May 16 00:19:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 11553193 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 52C0B59D for ; Sat, 16 May 2020 00:19:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C9D1207C4 for ; Sat, 16 May 2020 00:19:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726541AbgEPATZ (ORCPT ); Fri, 15 May 2020 20:19:25 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:39130 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbgEPATZ (ORCPT ); Fri, 15 May 2020 20:19:25 -0400 Received: by mail-pl1-f193.google.com with SMTP id s20so1570704plp.6 for ; Fri, 15 May 2020 17:19:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kJHLVSR8d4dv8IVyQEiXwc3ArTGq9TVZ6by8a5LIyaQ=; b=bemnlOmu0iXamwpyp+lqLafF6JhCNrQpaP29AbIEtQqWks6tdBJc7X+Gip7c63o4+m KBOk+X/r2qdSgi3iVUbiMaOcnIFYmW1YbyB3ST48ZHYzGocZQtXIph9YhRlyzrUrtf9J HoQW4oEkFmnQT0hP33LXBWNVKmhvB34AFOA6Mo92excSR99wR3nJmtriaMHanMxcg2sD 3/O6Gr06TbH29CDv5TjVSaeqG6rR5qJxI+dLeC7eNzP+VRzMJmVSJFh5aa2EhRf+OCGU aVogFJ8H9o7R3NK33BGxcN9p3/iuzrzGfzwuDJg8PlqX4xoz06BXVWbIS3DL28a4lgwX j72A== X-Gm-Message-State: AOAM530dlM+w2e0X0tXtsj6LaxERhkcHkRbTPGH+ULYTetrLjByTMs0v W2jX7PA/pZlM4B23sk5/QWU= X-Google-Smtp-Source: ABdhPJxBSz4yuHmpasSIawMgnzZB5XnLxYgEdsMWlODn0RQMacWl5zcBZDcupc6L1rRuRI/L8dkyew== X-Received: by 2002:a17:902:82c1:: with SMTP id u1mr6182399plz.10.1589588364501; Fri, 15 May 2020 17:19:24 -0700 (PDT) Received: from localhost.localdomain ([2601:647:4000:d7:f99a:ee92:9332:42a]) by smtp.gmail.com with ESMTPSA id 30sm2542383pgp.38.2020.05.15.17.19.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2020 17:19:23 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Ming Lei , Bart Van Assche , Damien Le Moal , Chaitanya Kulkarni , Alexander Potapenko Subject: [PATCH 2/5] bio.h: Declare the arguments of bio iteration functions const Date: Fri, 15 May 2020 17:19:11 -0700 Message-Id: <20200516001914.17138-3-bvanassche@acm.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200516001914.17138-1-bvanassche@acm.org> References: <20200516001914.17138-1-bvanassche@acm.org> MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org This change makes it possible to pass 'const struct bio *' arguments to these functions. Cc: Christoph Hellwig Cc: Ming Lei Cc: Damien Le Moal Cc: Chaitanya Kulkarni Cc: Alexander Potapenko Signed-off-by: Bart Van Assche Reviewed-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- include/linux/bio.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index a0ee494a6329..58e6134b1c05 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -70,7 +70,7 @@ static inline bool bio_has_data(struct bio *bio) return false; } -static inline bool bio_no_advance_iter(struct bio *bio) +static inline bool bio_no_advance_iter(const struct bio *bio) { return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_SECURE_ERASE || @@ -138,8 +138,8 @@ static inline bool bio_next_segment(const struct bio *bio, #define bio_for_each_segment_all(bvl, bio, iter) \ for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); ) -static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter, - unsigned bytes) +static inline void bio_advance_iter(const struct bio *bio, + struct bvec_iter *iter, unsigned bytes) { iter->bi_sector += bytes >> 9;