From 9cfc8ba712be5abd476532bf672389f67e41f4ff Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Wed, 15 Aug 2018 18:26:57 +0300 Subject: btrfs: Remove special handling of EXTENT_BUFFER_UNMAPPED while freeing Now that the whole of btrfs code has been audited for eb reference count management it's time to remove the hunk in free_extent_buffer that essentially considered the condition "eb->ref == 2 && EXTENT_BUFFER_DUMMY" to equal "eb->ref = 1". Also remove the last location which takes an extra reference count in alloc_test_extent_buffer. Signed-off-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/tests/btrfs-tests.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/tests/btrfs-tests.c') diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index db72b3b6209e..4cb8fcfd3ec4 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -174,8 +174,12 @@ void btrfs_free_dummy_root(struct btrfs_root *root) /* Will be freed by btrfs_free_fs_roots */ if (WARN_ON(test_bit(BTRFS_ROOT_IN_RADIX, &root->state))) return; - if (root->node) + if (root->node) { + /* One for allocate_extent_buffer */ free_extent_buffer(root->node); + /* One for get_exent_buffer */ + free_extent_buffer(root->node); + } kfree(root); } -- cgit v1.2.3-55-g7522