1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7dcaa8138864..e83be2e4602c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -909,7 +909,6 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
         spin_lock_init(&root->inode_lock);
         mutex_init(&root->objectid_mutex);
         mutex_init(&root->log_mutex);
-        init_rwsem(&root->commit_root_sem);
         init_waitqueue_head(&root->log_writer_wait);
         init_waitqueue_head(&root->log_commit_wait[0]);
         init_waitqueue_head(&root->log_commit_wait[1]);
@@ -1640,6 +1639,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
         mutex_init(&fs_info->cleaner_mutex);
         mutex_init(&fs_info->volume_mutex);
         mutex_init(&fs_info->tree_reloc_mutex);
+        init_rwsem(&fs_info->extent_commit_sem);
 
         btrfs_init_free_cluster(&fs_info->meta_alloc_cluster);
         btrfs_init_free_cluster(&fs_info->data_alloc_cluster);