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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E4096C072A4 for ; Wed, 22 May 2019 08:19:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C7C2D20856 for ; Wed, 22 May 2019 08:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728527AbfEVITP (ORCPT ); Wed, 22 May 2019 04:19:15 -0400 Received: from mx2.suse.de ([195.135.220.15]:60414 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726552AbfEVITP (ORCPT ); Wed, 22 May 2019 04:19:15 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 34400AE89; Wed, 22 May 2019 08:19:14 +0000 (UTC) From: Johannes Thumshirn To: David Sterba Cc: Linux BTRFS Mailinglist , Chris Mason , Richard Weinberger , David Gstir , Nikolay Borisov , Johannes Thumshirn Subject: [PATCH v3 01/13] btrfs: use btrfs_csum_data() instead of directly calling crc32c Date: Wed, 22 May 2019 10:18:58 +0200 Message-Id: <20190522081910.7689-2-jthumshirn@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190522081910.7689-1-jthumshirn@suse.de> References: <20190522081910.7689-1-jthumshirn@suse.de> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org btrfsic_test_for_metadata() directly calls the crc32c() library function for calculating the CRC32C checksum, but then uses btrfs_csum_final() to invert the result. To ease further refactoring and development around checksumming in BTRFS convert to calling btrfs_csum_data(), which is a wrapper around crc32c(). Signed-off-by: Johannes Thumshirn Reviewed-by: Nikolay Borisov --- fs/btrfs/check-integrity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index b0c8094528d1..85774e2fa3e5 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1728,7 +1728,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state, size_t sublen = i ? PAGE_SIZE : (PAGE_SIZE - BTRFS_CSUM_SIZE); - crc = crc32c(crc, data, sublen); + crc = btrfs_csum_data(data, crc, sublen); } btrfs_csum_final(crc, csum); if (memcmp(csum, h->csum, state->csum_size)) -- 2.16.4