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 60FAFC433EF for ; Wed, 29 Jun 2022 23:34:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231941AbiF2XeM (ORCPT ); Wed, 29 Jun 2022 19:34:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231958AbiF2XeA (ORCPT ); Wed, 29 Jun 2022 19:34:00 -0400 Received: from mail-pg1-f176.google.com (mail-pg1-f176.google.com [209.85.215.176]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C26CDF5B7 for ; Wed, 29 Jun 2022 16:33:33 -0700 (PDT) Received: by mail-pg1-f176.google.com with SMTP id v126so12611517pgv.11 for ; Wed, 29 Jun 2022 16:33:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gQHPcThElpNBg2eLrSPZ2WR8eOXiuNd0REw6P5hWDk0=; b=yHAuJhecLPF4B/vQd7eTcTSrP3Vw8IJrFNkgthCccDfWYNeejWoMIlTkIHvzHUZqMc hgonhz4PM8gBPjYaYXpGYUtxsuRqr9h9g7NfVmF+Nh+uk92K+uX7RARPoVsDaAhgouk9 /3zaSBLo9uSBE56R9nSWp7VNwDBPAS3ADHJnhZhK/cwzTtSR+kkwXpnvfXjq1wi4l0HZ QOq4fntPMnGspHGsTpGARUgnZDiMcw6aYyZz7DYiVKYU7wkbOTdAMkK5CM/5hlxegegl 3IcoogvY+O028KUWWZYuznIYChyIv3lbwzT1yp5l0PB3BJCBOTqqc6usjj3rv9NjC8Vu 64Dw== X-Gm-Message-State: AJIora8SnavkeRIQGkOmNqOFdZdobtAZAPj3T8BzvXbLNN9vVTB64ogK n6zZX9OKS8aWhooHz6d4OK4= X-Google-Smtp-Source: AGRyM1tIQo50DxKnWlU2K7dekwY74nf0UV7CKz4KCVPhL5+l+1LAePLovKKrR6HgUxR5dHRTmdh8Hg== X-Received: by 2002:a63:b34d:0:b0:40c:76b2:b725 with SMTP id x13-20020a63b34d000000b0040c76b2b725mr4954190pgt.440.1656545605958; Wed, 29 Jun 2022 16:33:25 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:3841:49ce:cba5:1586]) by smtp.gmail.com with ESMTPSA id b21-20020a17090a8c9500b001ec8d191db4sm2763687pjo.17.2022.06.29.16.33.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jun 2022 16:33:25 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Bart Van Assche , "Rafael J . Wysocki" Subject: [PATCH v2 61/63] PM: Use the enum req_op and blk_opf_t types Date: Wed, 29 Jun 2022 16:31:43 -0700 Message-Id: <20220629233145.2779494-62-bvanassche@acm.org> X-Mailer: git-send-email 2.37.0.rc0.161.g10f37bed90-goog In-Reply-To: <20220629233145.2779494-1-bvanassche@acm.org> References: <20220629233145.2779494-1-bvanassche@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Improve static type checking by using the enum req_op type for variables that represent a request operation and the new blk_opf_t type for variables that represent request flags. Combine the first two hib_submit_io() arguments into a single argument. Cc: Rafael J. Wysocki Cc: Christoph Hellwig Signed-off-by: Bart Van Assche --- kernel/power/swap.c | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 91fffdd2c7fb..277434b6c0bf 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -269,15 +269,14 @@ static void hib_end_io(struct bio *bio) bio_put(bio); } -static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr, - struct hib_bio_batch *hb) +static int hib_submit_io(blk_opf_t opf, pgoff_t page_off, void *addr, + struct hib_bio_batch *hb) { struct page *page = virt_to_page(addr); struct bio *bio; int error = 0; - bio = bio_alloc(hib_resume_bdev, 1, op | op_flags, - GFP_NOIO | __GFP_HIGH); + bio = bio_alloc(hib_resume_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) { @@ -317,8 +316,7 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags) { int error; - hib_submit_io(REQ_OP_READ, 0, swsusp_resume_block, - swsusp_header, NULL); + hib_submit_io(REQ_OP_READ, swsusp_resume_block, swsusp_header, NULL); if (!memcmp("SWAP-SPACE",swsusp_header->sig, 10) || !memcmp("SWAPSPACE2",swsusp_header->sig, 10)) { memcpy(swsusp_header->orig_sig,swsusp_header->sig, 10); @@ -331,7 +329,7 @@ static int mark_swapfiles(struct swap_map_handle *handle, unsigned int flags) swsusp_header->flags = flags; if (flags & SF_CRC32_MODE) swsusp_header->crc32 = handle->crc32; - error = hib_submit_io(REQ_OP_WRITE, REQ_SYNC, + error = hib_submit_io(REQ_OP_WRITE | REQ_SYNC, swsusp_resume_block, swsusp_header, NULL); } else { pr_err("Swap header not found!\n"); @@ -408,7 +406,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb) } else { src = buf; } - return hib_submit_io(REQ_OP_WRITE, REQ_SYNC, offset, src, hb); + return hib_submit_io(REQ_OP_WRITE | REQ_SYNC, offset, src, hb); } static void release_swap_writer(struct swap_map_handle *handle) @@ -1003,7 +1001,7 @@ static int get_swap_reader(struct swap_map_handle *handle, return -ENOMEM; } - error = hib_submit_io(REQ_OP_READ, 0, offset, tmp->map, NULL); + error = hib_submit_io(REQ_OP_READ, offset, tmp->map, NULL); if (error) { release_swap_reader(handle); return error; @@ -1027,7 +1025,7 @@ static int swap_read_page(struct swap_map_handle *handle, void *buf, offset = handle->cur->entries[handle->k]; if (!offset) return -EFAULT; - error = hib_submit_io(REQ_OP_READ, 0, offset, buf, hb); + error = hib_submit_io(REQ_OP_READ, offset, buf, hb); if (error) return error; if (++handle->k >= MAP_PAGE_ENTRIES) { @@ -1526,8 +1524,7 @@ int swsusp_check(void) if (!IS_ERR(hib_resume_bdev)) { set_blocksize(hib_resume_bdev, PAGE_SIZE); clear_page(swsusp_header); - error = hib_submit_io(REQ_OP_READ, 0, - swsusp_resume_block, + error = hib_submit_io(REQ_OP_READ, swsusp_resume_block, swsusp_header, NULL); if (error) goto put; @@ -1535,7 +1532,7 @@ int swsusp_check(void) if (!memcmp(HIBERNATE_SIG, swsusp_header->sig, 10)) { memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); /* Reset swap signature now */ - error = hib_submit_io(REQ_OP_WRITE, REQ_SYNC, + error = hib_submit_io(REQ_OP_WRITE | REQ_SYNC, swsusp_resume_block, swsusp_header, NULL); } else { @@ -1586,11 +1583,11 @@ int swsusp_unmark(void) { int error; - hib_submit_io(REQ_OP_READ, 0, swsusp_resume_block, - swsusp_header, NULL); + hib_submit_io(REQ_OP_READ, swsusp_resume_block, + swsusp_header, NULL); if (!memcmp(HIBERNATE_SIG,swsusp_header->sig, 10)) { memcpy(swsusp_header->sig,swsusp_header->orig_sig, 10); - error = hib_submit_io(REQ_OP_WRITE, REQ_SYNC, + error = hib_submit_io(REQ_OP_WRITE | REQ_SYNC, swsusp_resume_block, swsusp_header, NULL); } else {