1 files changed, 7 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index caa860a1c3e5..fdba4f1b634e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -558,6 +558,7 @@ struct btrfs_block_group_cache {
         struct btrfs_key key;
         struct btrfs_block_group_item item;
         spinlock_t lock;
+        struct mutex alloc_mutex;
         u64 pinned;
         u64 reserved;
         u64 flags;
@@ -635,7 +636,8 @@ struct btrfs_fs_info {
         struct mutex tree_log_mutex;
         struct mutex transaction_kthread_mutex;
         struct mutex cleaner_mutex;
-        struct mutex alloc_mutex;
+        struct mutex extent_ins_mutex;
+        struct mutex pinned_mutex;
         struct mutex chunk_mutex;
         struct mutex drop_mutex;
         struct mutex volume_mutex;
@@ -1941,8 +1943,12 @@ int btrfs_acl_chmod(struct inode *inode);
 /* free-space-cache.c */
 int btrfs_add_free_space(struct btrfs_block_group_cache *block_group,
                          u64 bytenr, u64 size);
+int btrfs_add_free_space_lock(struct btrfs_block_group_cache *block_group,
+                              u64 offset, u64 bytes);
 int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
                             u64 bytenr, u64 size);
+int btrfs_remove_free_space_lock(struct btrfs_block_group_cache *block_group,
+                                 u64 offset, u64 bytes);
 void btrfs_remove_free_space_cache(struct btrfs_block_group_cache
                                    *block_group);
 struct btrfs_free_space *btrfs_find_free_space(struct btrfs_block_group_cache