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-rw-r--r--fs/btrfs/inode.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d3d7d46a6af2..ee92801fc5db 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5180,6 +5180,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
ei->logged_trans = 0;
ei->outstanding_extents = 0;
ei->reserved_extents = 0;
+ ei->root = NULL;
spin_lock_init(&ei->accounting_lock);
btrfs_ordered_inode_tree_init(&ei->ordered_tree);
INIT_LIST_HEAD(&ei->i_orphan);
@@ -5196,6 +5197,14 @@ void btrfs_destroy_inode(struct inode *inode)
WARN_ON(inode->i_data.nrpages);
/*
+ * This can happen where we create an inode, but somebody else also
+ * created the same inode and we need to destroy the one we already
+ * created.
+ */
+ if (!root)
+ goto free;
+
+ /*
* Make sure we're properly removed from the ordered operation
* lists.
*/
@@ -5230,6 +5239,7 @@ void btrfs_destroy_inode(struct inode *inode)
}
inode_tree_del(inode);
btrfs_drop_extent_cache(inode, 0, (u64)-1, 0);
+free:
kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode));
}