From 893bf4b115c713738df05bb557f8fba14f07c077 Mon Sep 17 00:00:00 2001 From: Su Yue Date: Fri, 22 Jun 2018 09:52:15 +0800 Subject: [PATCH 1/1] btrfs: print more details when checking tree block finds a problem For easier debugging, print eb->start if level is invalid. Also make clear if bytenr found is not expected. Signed-off-by: Su Yue Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/disk-io.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 2de3da7b7bdc..c77afa9e5d91 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -615,8 +615,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, found_start = btrfs_header_bytenr(eb); if (found_start != eb->start) { - btrfs_err_rl(fs_info, "bad tree block start %llu %llu", - found_start, eb->start); + btrfs_err_rl(fs_info, "bad tree block start, want %llu have %llu", + eb->start, found_start); ret = -EIO; goto err; } @@ -628,8 +628,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, } found_level = btrfs_header_level(eb); if (found_level >= BTRFS_MAX_LEVEL) { - btrfs_err(fs_info, "bad tree block level %d", - (int)btrfs_header_level(eb)); + btrfs_err(fs_info, "bad tree block level %d on %llu", + (int)btrfs_header_level(eb), eb->start); ret = -EIO; goto err; } -- 2.34.1