1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 20c111b3fa0d..0b2b4b759136 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1620,6 +1620,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
         spin_lock_init(&fs_info->fs_roots_radix_lock);
         spin_lock_init(&fs_info->delayed_iput_lock);
         spin_lock_init(&fs_info->defrag_inodes_lock);
+        mutex_init(&fs_info->reloc_mutex);
 
         init_completion(&fs_info->kobj_unregister);
         fs_info->tree_root = tree_root;