From: Robbie Ko <robbieko@xxxxxxxxxxxx>
when tree log recovery, space_cache rebuild or dirty maybe save the cache.
and then replay extent with disk_bytenr and disk_num_bytes,
but disk_bytenr and disk_num_bytes maybe had been use for free space inode,
will lead to -EINVEL.
BTRFS: error in btrfs_replay_log:2446: errno=-22 unknown (Failed to recover log tree)
therefore, we not save cache when tree log recovering.
Signed-off-by: Robbie Ko <robbieko@xxxxxxxxxxxx>
---
fs/btrfs/extent-tree.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 665da8f..38b932c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3434,6 +3434,7 @@ again:
spin_lock(&block_group->lock);
if (block_group->cached != BTRFS_CACHE_FINISHED ||
+ block_group->fs_info->log_root_recovering ||
!btrfs_test_opt(root->fs_info, SPACE_CACHE)) {
/*
* don't bother trying to write stuff out _if_
--
1.9.1
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