1 files changed, 4 insertions, 7 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a84420491c11..2b35f8d14bb9 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -529,9 +529,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache,
          * allocate blocks for the tree root we can't do the fast caching since
          * we likely hold important locks.
          */
-        if (trans && (!trans->transaction->in_commit) &&
-            (root && root != root->fs_info->tree_root) &&
-            btrfs_test_opt(root, SPACE_CACHE)) {
+        if (fs_info->mount_opt & BTRFS_MOUNT_SPACE_CACHE) {
                 ret = load_free_space_cache(fs_info, cache);
 
                 spin_lock(&cache->lock);
@@ -3152,15 +3150,14 @@ static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags)
 /*
  * returns target flags in extended format or 0 if restripe for this
  * chunk_type is not in progress
+ *
+ * should be called with either volume_mutex or balance_lock held
  */
 static u64 get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags)
 {
         struct btrfs_balance_control *bctl = fs_info->balance_ctl;
         u64 target = 0;
 
-        BUG_ON(!mutex_is_locked(&fs_info->volume_mutex) &&
-               !spin_is_locked(&fs_info->balance_lock));
-
         if (!bctl)
                 return 0;
 
@@ -4205,7 +4202,7 @@ static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info)
         num_bytes += div64_u64(data_used + meta_used, 50);
 
         if (num_bytes * 3 > meta_used)
-                num_bytes = div64_u64(meta_used, 3) * 2;
+                num_bytes = div64_u64(meta_used, 3);
 
         return ALIGN(num_bytes, fs_info->extent_root->leafsize << 10);
 }