From patchwork Tue Jul 4 12:21:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 13301110 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 41F36EB64DA for ; Tue, 4 Jul 2023 12:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231765AbjGDMXb (ORCPT ); Tue, 4 Jul 2023 08:23:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231661AbjGDMWs (ORCPT ); Tue, 4 Jul 2023 08:22:48 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CBDC10D8; Tue, 4 Jul 2023 05:22:35 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 5883020568; Tue, 4 Jul 2023 12:22:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1688473346; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MQxTCSeTg6wagW5tuWFhLvswNFlZbpUek4rOSe5trrE=; b=C7Ch1FdLD4xgCfVB82D/Pjj8dtKMxh2T0JXylFKzB7VijdCP9rpjJrwz1AoVaD3iTx2QTN d10QCWFioSaQfHm1DL44YuQ7qp46/w3yrbyLlpn95xxy7sG/hiLoMpqjvGZ9355JyxLNMK OrX5bDJEbEEWi4cdlXq+F1qHlc2gA/M= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1688473346; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MQxTCSeTg6wagW5tuWFhLvswNFlZbpUek4rOSe5trrE=; b=kkwyLW8Z43c1K3AUAfFJBhL2dW39UMnhvBzHTBPV1OYVyCcCfUGLw1zKNRTIKqSwHRKWm2 7wo1ScOPy0m6S1Aw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 489AB1346D; Tue, 4 Jul 2023 12:22:26 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Msu2EQIPpGRBMAAAMHmgww (envelope-from ); Tue, 04 Jul 2023 12:22:26 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 0059AA0776; Tue, 4 Jul 2023 14:22:24 +0200 (CEST) From: Jan Kara To: Cc: , Jens Axboe , Christoph Hellwig , Jan Kara , linux-pm@vger.kernel.org Subject: [PATCH 17/32] PM: hibernate: Convert to blkdev_get_handle_by_dev() Date: Tue, 4 Jul 2023 14:21:44 +0200 Message-Id: <20230704122224.16257-17-jack@suse.cz> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230629165206.383-1-jack@suse.cz> References: <20230629165206.383-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3125; i=jack@suse.cz; h=from:subject; bh=ou4xyOI12JhBNyr0TQRO/mOTZ4/nsdMmvIuW5W7Bk/4=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBkpA7Zj/XDAC5VAg2XWqfvTw6JJlt/lNEIu3iYQkMa cX4ejhmJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCZKQO2QAKCRCcnaoHP2RA2TYyB/ 9r0zspSMI9y3P9YTw8G+43irxTgZcyCBFkjnJxTVtd712SFi233iJyFwVmklUzIySemrw8UNhG/Csp YJAtfj2WX5ErVJN2HgmmBPJaT+PDmusZ+AHUScM2YLKbooi4xmpDFjIkKBOH/S12tr+tFr7z1A+lPG lpnjVCJ8VxnknewcLN/xaxiHVhjK2QbRnKVKGf14vSb7PPRVRvXC7Nnkogx0gZlD/Uqea/xe3cdSEb 3gWvYzkN/s3bnQ3QJy2wAmxGq/TPLgzlJ1et54mH4ZVBA9+J5b3wcDpxLHQMYVC95POBojgC2JGe/9 zUUDuYZiJYz+VDviRPyoP9NXITfc6D X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Convert hibernation code to use blkdev_get_handle_by_dev(). CC: linux-pm@vger.kernel.org Signed-off-by: Jan Kara --- kernel/power/swap.c | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index f6ebcd00c410..fd90ecf15ee1 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -222,7 +222,7 @@ int swsusp_swap_in_use(void) */ static unsigned short root_swap = 0xffff; -static struct block_device *hib_resume_bdev; +static struct bdev_handle *hib_resume_bdev_handle; struct hib_bio_batch { atomic_t count; @@ -276,7 +276,8 @@ static int hib_submit_io(blk_opf_t opf, pgoff_t page_off, void *addr, struct bio *bio; int error = 0; - bio = bio_alloc(hib_resume_bdev, 1, opf, GFP_NOIO | __GFP_HIGH); + bio = bio_alloc(hib_resume_bdev_handle->bdev, 1, opf, + GFP_NOIO | __GFP_HIGH); bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9); if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { @@ -356,14 +357,14 @@ static int swsusp_swap_check(void) return res; root_swap = res; - hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device, + hib_resume_bdev_handle = blkdev_get_handle_by_dev(swsusp_resume_device, BLK_OPEN_WRITE, NULL, NULL); - if (IS_ERR(hib_resume_bdev)) - return PTR_ERR(hib_resume_bdev); + if (IS_ERR(hib_resume_bdev_handle)) + return PTR_ERR(hib_resume_bdev_handle); - res = set_blocksize(hib_resume_bdev, PAGE_SIZE); + res = set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE); if (res < 0) - blkdev_put(hib_resume_bdev, NULL); + blkdev_handle_put(hib_resume_bdev_handle); return res; } @@ -1521,10 +1522,10 @@ int swsusp_check(bool snapshot_test) void *holder = snapshot_test ? &swsusp_holder : NULL; int error; - hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device, BLK_OPEN_READ, - holder, NULL); - if (!IS_ERR(hib_resume_bdev)) { - set_blocksize(hib_resume_bdev, PAGE_SIZE); + hib_resume_bdev_handle = blkdev_get_handle_by_dev(swsusp_resume_device, + BLK_OPEN_READ, holder, NULL); + if (!IS_ERR(hib_resume_bdev_handle)) { + set_blocksize(hib_resume_bdev_handle->bdev, PAGE_SIZE); clear_page(swsusp_header); error = hib_submit_io(REQ_OP_READ, swsusp_resume_block, swsusp_header, NULL); @@ -1549,11 +1550,11 @@ int swsusp_check(bool snapshot_test) put: if (error) - blkdev_put(hib_resume_bdev, holder); + blkdev_handle_put(hib_resume_bdev_handle); else pr_debug("Image signature found, resuming\n"); } else { - error = PTR_ERR(hib_resume_bdev); + error = PTR_ERR(hib_resume_bdev_handle); } if (error) @@ -1568,12 +1569,12 @@ int swsusp_check(bool snapshot_test) void swsusp_close(bool snapshot_test) { - if (IS_ERR(hib_resume_bdev)) { + if (IS_ERR(hib_resume_bdev_handle)) { pr_debug("Image device not initialised\n"); return; } - blkdev_put(hib_resume_bdev, snapshot_test ? &swsusp_holder : NULL); + blkdev_handle_put(hib_resume_bdev_handle); } /**