Btrfs: smarter transaction writeback

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 3cc29900a074..afe42d167cee 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -9,6 +9,7 @@ struct btrfs_transaction {
         int commit_done;
         int magic;
         struct list_head list;
+        struct radix_tree_root dirty_pages;
         wait_queue_head_t writer_wait;
         wait_queue_head_t commit_wait;
 };