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...btrfs: fix inode rbtree corruption fs/btrfs/inode.c | 21 ++++++++++++++------- 1 files changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 272b9b2..59cba18 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3099,8 +3099,12 @@ static void inode_tree_add(struct inode *inode) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_inode *entry; - struct rb_node **p = &root->inode_tree.rb_node; - struct rb_node *parent = NULL; + struct rb_node **p; + struct rb_node *parent; + +again: + p = &root->inode_tree.rb_node; +...

When adding orphans to an inode''s root, we start a transaction for that root that when ended in several places such as for example extent-tree.c:btrfs_remove_block_group(), inode.c:btrfs_unlink() and inode.c:btrfs_evict_node(), doesn''t result in a commit, that is, inode.c:btrfs_orphan_commit_root() doesn''t get called (via transaction.c:commit_fs_roots()). The respective