Btrfs: small naming cleanup in join_transaction()

"root->fs_info" and "fs_info" are the same, but "fs_info" is prefered
because it is shorter and that's what is used in the rest of the
function.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8c35847..cb2dfe2 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -100,8 +100,8 @@ loop:
                kmem_cache_free(btrfs_transaction_cachep, cur_trans);
                cur_trans = fs_info->running_transaction;
                goto loop;
-       } else if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
-               spin_unlock(&root->fs_info->trans_lock);
+       } else if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+               spin_unlock(&fs_info->trans_lock);
                kmem_cache_free(btrfs_transaction_cachep, cur_trans);
                return -EROFS;
        }