1 files changed, 7 insertions, 1 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 7c644f810816..f3de211173ad 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5744,7 +5744,13 @@ int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
                                   struct inode *inode)
 {
         struct btrfs_root *root = BTRFS_I(inode)->root;
-        struct btrfs_block_rsv *src_rsv = get_block_rsv(trans, root);
+        /*
+         * We always use trans->block_rsv here as we will have reserved space
+         * for our orphan when starting the transaction, using get_block_rsv()
+         * here will sometimes make us choose the wrong block rsv as we could be
+         * doing a reloc inode for a non refcounted root.
+         */
+        struct btrfs_block_rsv *src_rsv = trans->block_rsv;
         struct btrfs_block_rsv *dst_rsv = root->orphan_block_rsv;
 
         /*