Commit 63489055 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: Always output error message when key/level verification fails

We have internal report of strange transaction abort due to EUCLEAN
without any error message.

Since error message inside verify_level_key() is only enabled for
CONFIG_BTRFS_DEBUG, the error message won't be printed on most builds.

This patch will make the error message mandatory, so when problem
happens we know what's causing the problem.
Reviewed-by: default avatarNikolay Borisov <>
Reviewed-by: default avatarJohannes Thumshirn <>
Signed-off-by: default avatarQu Wenruo <>
Reviewed-by: default avatarDavid Sterba <>
Signed-off-by: default avatarDavid Sterba <>
parent 448de471
......@@ -404,12 +404,11 @@ int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
found_level = btrfs_header_level(eb);
if (found_level != level) {
KERN_ERR "BTRFS: tree level check failed\n");
"tree level mismatch detected, bytenr=%llu level expected=%u has=%u",
eb->start, level, found_level);
return -EIO;
......@@ -430,9 +429,9 @@ int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
btrfs_item_key_to_cpu(eb, &found_key, 0);
ret = btrfs_comp_cpu_keys(first_key, &found_key);
if (ret) {
KERN_ERR "BTRFS: tree first key check failed\n");
"tree first key mismatch detected, bytenr=%llu parent_transid=%llu key expected=(%llu,%u,%llu) has=(%llu,%u,%llu)",
eb->start, parent_transid, first_key->objectid,
......@@ -440,7 +439,6 @@ int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
found_key.objectid, found_key.type,
return ret;
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