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Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a454945227ca..dc1fb9286fee 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -68,31 +68,6 @@ static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits) return (cache->flags & bits) == bits; } -void btrfs_get_block_group(struct btrfs_block_group_cache *cache) -{ - atomic_inc(&cache->count); -} - -void btrfs_put_block_group(struct btrfs_block_group_cache *cache) -{ - if (atomic_dec_and_test(&cache->count)) { - WARN_ON(cache->pinned > 0); - WARN_ON(cache->reserved > 0); - - /* - * If not empty, someone is still holding mutex of - * full_stripe_lock, which can only be released by caller. - * And it will definitely cause use-after-free when caller - * tries to release full stripe lock. - * - * No better way to resolve, but only to warn. - */ - WARN_ON(!RB_EMPTY_ROOT(&cache->full_stripe_locks_root.root)); - kfree(cache->free_space_ctl); - kfree(cache); - } -} - /* * this adds the block group to the fs_info rb tree for the block group * cache |