From patchwork Thu May 20 06:22:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12269123 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,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 716AAC433ED for ; Thu, 20 May 2021 06:23:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5074060FDC for ; Thu, 20 May 2021 06:23:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230437AbhETGY5 (ORCPT ); Thu, 20 May 2021 02:24:57 -0400 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:61859 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229953AbhETGYu (ORCPT ); Thu, 20 May 2021 02:24:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1621491810; x=1653027810; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ugKcJvlfNiqoUdI+/DlV4MQi8pgvztPAB+J3qsQV8IE=; b=bYoYFRMVzStz3JxMmjz3JCGlJ0a4be5DXcEfnUu4BPRVKxUU852lpWIA YX36jg2Hv6k2MCrwbytA5h01/od+KCsFzKGgGjyflkjdGCVObOZxn24ex P76wo7iatlqW+U7u5Q6e69Tzdvg2H3bLQSiRqTmbpjpjvvhJKYeWEwBfZ Iv2lcfTJKuiQ55ETUKNmgfzIte2L97DeGgkekasRdOzA7ZcAJzac9NAg4 GJEfoJ2IFTFDLLmS9LkZ5KIuawyJqz6PWOz3PQSKnw+6Po9MZ6VM60cFt +2cyFDBUYU/ppgJK25lfnVPMQkOsNR+2HDOxfta/NJvJ3Pgc7XLLkcSTb Q==; IronPort-SDR: GsQ79uH2FwISeAGlmjikuJ5iAFJqU/nDm/g8DqL5sG8qRQUgVt3udhcx0ojjLtOU2A7sUMilV9 1iBTIipxxuQfvISWTB8lsk2M7n9fSCTzhTtZkqDM9ENXSpL6VPZu7O5PDjheZAkdtNepluf6hP ssUvfcsc2sSsDBTqoVeDj1d7MBzuWaygaIf7ItYnRsu8CenTYIwoAjjHvFf9T4LdjrHJx0H/X2 sIAqBpxKnYCUoAUz9bPbX2s8nk4FGzQE4Eyo/BYSsoKfdoB/B4Nge1slvfZ1Z23HO5mj9U5Bhb QF4= X-IronPort-AV: E=Sophos;i="5.82,313,1613404800"; d="scan'208";a="169351397" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 20 May 2021 14:23:30 +0800 IronPort-SDR: 5rCQrQzRWjLV2aMvc8MkVkPTdTBer0KuxbCuiUQUoVLlIZ8voOuxyF9OJ6XJcCknuPwQzRuzNx YWEtciAXioFPfmuOgWiy7JL8kLRih1MgMPCtYAA2YvCDzxRNmA43Os8jmPaMri6YsER7sVNEwu /6mtrImf2lCXGZkKrIQXDyu4LQWSPMTiSJZKeSe5rYytZnDhMw1hCMldeiyTC5Urn0zO6gcFsL 6yPHGj1TYja6Pv84SiBSIGKp+mIL8L5JJhrrIAEAynoF2ddx8rL482fNeZNmbHGh+ip3Bcs3Jz TMqIATCTcXLaBEzjrgX49Rx6 Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2021 23:01:53 -0700 IronPort-SDR: 2gpASq6aHVKtr34lYD39+FFamrfboRcYTtQ3+kOl3I++pUeKUc5dqm8Gr1iFHF/Eus+ba62pKn QetlT1G6mzLK+9/yZZmg0TETJPsLNDaF/NvDTwlp2jTDu54ApDUxvdbhbdebgsQj5Zl8M4cP8u leQAMrqZx+JcjUWceXNnhX48s7Busnyv2pUlEZbZklvv6e4P4VYdKYegaINJC74rhI0O3HM1Y3 XbjEOn55WG2WQ6wPeLGcl+yN6OGQZTUSf9s8RL0fiu82gIiII3AeYGTe+dSUPrMJE8aJ4sg6NT ZKw= WDCIronportException: Internal Received: from wdsc_char_051.sc.wdc.com (HELO xfs.sc.wdc.com) ([10.4.170.150]) by uls-op-cesaip01.wdc.com with ESMTP; 19 May 2021 23:23:30 -0700 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org Cc: axboe@kernel.dk, mb@lightnvm.io, martin.petersen@oracle.com, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, johannes.thumshirn@wdc.com, ming.lei@redhat.com, osandov@fb.com, willy@infradead.org, jefflexu@linux.alibaba.com, hch@lst.de, Chaitanya Kulkarni Subject: [RFC PATCH 4/8] block: fix return type of bio_add_page() Date: Wed, 19 May 2021 23:22:51 -0700 Message-Id: <20210520062255.4908-5-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20210520062255.4908-1-chaitanya.kulkarni@wdc.com> References: <20210520062255.4908-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org Fix bio_add_page() return type to unsigned int as it returns the length which is of type unsigned int and not int. Signed-off-by: Chaitanya Kulkarni --- block/bio.c | 4 ++-- include/linux/bio.h | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/block/bio.c b/block/bio.c index bc0e6e93ed58..346909d35bd1 100644 --- a/block/bio.c +++ b/block/bio.c @@ -921,8 +921,8 @@ EXPORT_SYMBOL_GPL(__bio_add_page); * Attempt to add page(s) to the bio_vec maplist. This will only fail * if either bio->bi_vcnt == bio->bi_max_vecs or it's a cloned bio. */ -int bio_add_page(struct bio *bio, struct page *page, - unsigned int len, unsigned int offset) +unsigned int bio_add_page(struct bio *bio, struct page *page, + unsigned int len, unsigned int offset) { bool same_page = false; diff --git a/include/linux/bio.h b/include/linux/bio.h index 548d6a3342c3..f4f0b19b2ef3 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -466,7 +466,8 @@ extern void bio_uninit(struct bio *); extern void bio_reset(struct bio *); void bio_chain(struct bio *, struct bio *); -extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); +unsigned int bio_add_page(struct bio *, struct page *, unsigned int, + unsigned int); unsigned int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); unsigned int bio_add_zone_append_page(struct bio *bio, struct page *page,