1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7cd8ab0ef04..3b9f1643aa5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -619,6 +619,7 @@ retry:
 
                 trans = btrfs_join_transaction(root, 1);
                 BUG_ON(IS_ERR(trans));
+                trans->block_rsv = &root->fs_info->delalloc_block_rsv;
                 ret = btrfs_reserve_extent(trans, root,
                                            async_extent->compressed_size,
                                            async_extent->compressed_size,
@@ -1060,6 +1061,7 @@ static noinline int run_delalloc_nocow(struct inode *inode,
                 trans = btrfs_join_transaction(root, 1);
         }
         BUG_ON(IS_ERR(trans));
+        trans->block_rsv = &root->fs_info->delalloc_block_rsv;
 
         cow_start = (u64)-1;
         cur_offset = start;