From patchwork Thu May 16 08:47:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 10945949 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A754E933 for ; Thu, 16 May 2019 08:48:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9819428ACF for ; Thu, 16 May 2019 08:48:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C31228AD5; Thu, 16 May 2019 08:48:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3463F28ACF for ; Thu, 16 May 2019 08:48:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727106AbfEPIs3 (ORCPT ); Thu, 16 May 2019 04:48:29 -0400 Received: from mx2.suse.de ([195.135.220.15]:33062 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726363AbfEPIsH (ORCPT ); Thu, 16 May 2019 04:48:07 -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 CFE2AAF7C; Thu, 16 May 2019 08:48:05 +0000 (UTC) From: Johannes Thumshirn To: David Sterba Cc: Linux BTRFS Mailinglist , Chris Mason , Richard Weinberger , David Gstir , Nikolay Borisov , Johannes Thumshirn Subject: [PATCH v2 06/13] btrfs: format checksums according to type for printing Date: Thu, 16 May 2019 10:47:56 +0200 Message-Id: <20190516084803.9774-7-jthumshirn@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190516084803.9774-1-jthumshirn@suse.de> References: <20190516084803.9774-1-jthumshirn@suse.de> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a small helper for btrfs_print_data_csum_error() which formats the checksum according to it's type for pretty printing. Signed-off-by: Johannes Thumshirn Reviewed-by: Nikolay Borisov --- fs/btrfs/btrfs_inode.h | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index d5b438706b77..f0a757eb5744 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -337,22 +337,42 @@ static inline void btrfs_inode_resume_unlocked_dio(struct btrfs_inode *inode) clear_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags); } +static inline void btrfs_csum_format(struct btrfs_super_block *sb, + u32 csum, u8 *cbuf) +{ + size_t size = btrfs_super_csum_size(sb) * 8; + + switch (btrfs_super_csum_type(sb)) { + case BTRFS_CSUM_TYPE_CRC32: + snprintf(cbuf, size, "0x%08x", csum); + break; + default: /* can't happen - csum type is validated at mount time */ + break; + } +} + static inline void btrfs_print_data_csum_error(struct btrfs_inode *inode, u64 logical_start, u32 csum, u32 csum_expected, int mirror_num) { struct btrfs_root *root = inode->root; + struct btrfs_super_block *sb = root->fs_info->super_copy; + u8 cbuf[BTRFS_CSUM_SIZE]; + u8 ecbuf[BTRFS_CSUM_SIZE]; + + btrfs_csum_format(sb, csum, cbuf); + btrfs_csum_format(sb, csum_expected, ecbuf); /* Output minus objectid, which is more meaningful */ if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID) btrfs_warn_rl(root->fs_info, - "csum failed root %lld ino %lld off %llu csum 0x%08x expected csum 0x%08x mirror %d", + "csum failed root %lld ino %lld off %llu csum %s expected csum %s mirror %d", root->root_key.objectid, btrfs_ino(inode), - logical_start, csum, csum_expected, mirror_num); + logical_start, cbuf, ecbuf, mirror_num); else btrfs_warn_rl(root->fs_info, - "csum failed root %llu ino %llu off %llu csum 0x%08x expected csum 0x%08x mirror %d", + "csum failed root %llu ino %llu off %llu csum %s expected csum %s mirror %d", root->root_key.objectid, btrfs_ino(inode), - logical_start, csum, csum_expected, mirror_num); + logical_start, cbuf, ecbuf, mirror_num); } #endif