From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 255EFC433EF for ; Thu, 7 Apr 2022 17:22:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346186AbiDGRYW (ORCPT ); Thu, 7 Apr 2022 13:24:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346080AbiDGRX5 (ORCPT ); Thu, 7 Apr 2022 13:23:57 -0400 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D92664F4; Thu, 7 Apr 2022 10:21:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:MIME-Version:References:In-Reply-To: Message-Id:Date:Cc:To:From:content-disposition; bh=ufB2LkWT2Jw65+K7Phw9dSX65Jk1XnoBPX/BNd0+QAU=; b=jiA9PBwX2dbEkxAmEkfpVbWNjb SLD4FQw2KkNztUq+G4EmSofYkyuwTapK+PYBqiap4XInK75Ne5uOxRA9hlT01/DswjYsdKrEp0/j3 ZesRYekEYuNwEJU8Dh4mHjsFnoiFAemg3rIIIUu62xBam9Br960AXvFMVi9NkPQ5t54flyv4gcMSn uZ2JK0pW1nAgvleHvX0/9V2fz8iJPef8qxHfsitItFIOt+Vekm/qO0tLOlgg4AroqiWGhw1o37QKB jdEUYBZv06ohgg0DyrBQlEfu66Hu7+zypdhKyw/72X77tNPOnau+DTQUXzRfNRzwLjCxaHjx6xia5 iNC0xu6Q==; Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ncVRf-002CRg-HF; Thu, 07 Apr 2022 10:57:20 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.94.2) (envelope-from ) id 1ncVRf-0002Q4-0w; Thu, 07 Apr 2022 10:57:19 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, Song Liu Cc: Guoqing Jiang , Logan Gunthorpe Date: Thu, 7 Apr 2022 10:57:08 -0600 Message-Id: <20220407165713.9243-3-logang@deltatee.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220407165713.9243-1-logang@deltatee.com> References: <20220407165713.9243-1-logang@deltatee.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, song@kernel.org, guoqing.jiang@linux.dev, logang@deltatee.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v1 2/7] md/raid5: Un-nest struct raid5_percpu definition X-SA-Exim-Version: 4.2.1 (built Sat, 13 Feb 2021 17:57:42 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse reports many warnings of the form: drivers/md/raid5.c:1476:16: warning: dereference of noderef expression This is because all struct raid5_percpu definitions get marked as __percpu when really only the pointer in r5conf should have that annotation. Fix this by moving the defnition of raid5_precpu out of the definition of struct r5conf. Signed-off-by: Logan Gunthorpe --- drivers/md/raid5.h | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 9e8486a9e445..61bc2e1f1b4e 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -560,6 +560,16 @@ struct r5pending_data { struct bio_list bios; }; +struct raid5_percpu { + struct page *spare_page; /* Used when checking P/Q in raid6 */ + void *scribble; /* space for constructing buffer + * lists and performing address + * conversions + */ + int scribble_obj_size; + local_lock_t lock; +}; + struct r5conf { struct hlist_head *stripe_hashtbl; /* only protect corresponding hash list and inactive_list */ @@ -635,15 +645,7 @@ struct r5conf { */ int recovery_disabled; /* per cpu variables */ - struct raid5_percpu { - struct page *spare_page; /* Used when checking P/Q in raid6 */ - void *scribble; /* space for constructing buffer - * lists and performing address - * conversions - */ - int scribble_obj_size; - local_lock_t lock; - } __percpu *percpu; + struct raid5_percpu __percpu *percpu; int scribble_disks; int scribble_sectors; struct hlist_node node; -- 2.30.2