From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:62410 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1759067AbaGDKDf (ORCPT ); Fri, 4 Jul 2014 06:03:35 -0400 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s64A3VNJ009514 for ; Fri, 4 Jul 2014 18:03:31 +0800 From: Wang Shilong To: Subject: [PATCH] Btrfs: print btrfs specific info for some fatal error cases Date: Fri, 4 Jul 2014 17:59:06 +0800 Message-ID: <1404467946-4429-1-git-send-email-wangsl.fnst@cn.fujitsu.com> In-Reply-To: <53B645D4.1060003@cn.fujitsu.com> References: <53B645D4.1060003@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-btrfs-owner@vger.kernel.org List-ID: Marc argued that if there are several btrfs filesystems mounted, while users even don't know which filesystem hit the corrupted errors something like generation verification failure. Since @extent_buffer structure has a member @fs_info, let's output btrfs device info. Reported-by: Marc MERLIN Signed-off-by: Wang Shilong --- Tell me if missed anything here... --- fs/btrfs/disk-io.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 08e65e9..bd52ca0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -351,9 +351,9 @@ static int verify_parent_transid(struct extent_io_tree *io_tree, ret = 0; goto out; } - printk_ratelimited("parent transid verify failed on %llu wanted %llu " - "found %llu\n", - eb->start, parent_transid, btrfs_header_generation(eb)); + printk_ratelimited("BTRFS (device %s): parent transid verify failed on %llu wanted %llu found %llu\n", + eb->fs_info->sb->s_id, eb->start, + parent_transid, btrfs_header_generation(eb)); ret = 1; /* @@ -617,15 +617,15 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, found_start = btrfs_header_bytenr(eb); if (found_start != eb->start) { - printk_ratelimited(KERN_INFO "BTRFS: bad tree block start " + printk_ratelimited(KERN_INFO "BTRFS (device %s): bad tree block start " "%llu %llu\n", - found_start, eb->start); + eb->fs_info->sb->s_id, found_start, eb->start); ret = -EIO; goto err; } if (check_tree_block_fsid(root, eb)) { - printk_ratelimited(KERN_INFO "BTRFS: bad fsid on block %llu\n", - eb->start); + printk_ratelimited(KERN_INFO "BTRFS (device %s): bad fsid on block %llu\n", + eb->fs_info->sb->s_id, eb->start); ret = -EIO; goto err; } -- 1.8.3.1