Btrfs: avoid tree log commit when there are no changes

[linux-2.6-block.git] / fs / btrfs / transaction.h

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 663c67404918dd30fb1c5cf0943b07b2455018bd..f68cbbe61e5623bff0edd7cbe0006b43d729cf66 100644 (file)
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -79,6 +79,7 @@ static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
                                              struct inode *inode)
 {
        BTRFS_I(inode)->last_trans = trans->transaction->transid;
+       BTRFS_I(inode)->last_sub_trans = BTRFS_I(inode)->root->log_transid;
 }
 
 int btrfs_end_transaction(struct btrfs_trans_handle *trans,