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-rw-r--r--fs/btrfs/delayed-ref.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index a764e2340d48..5eb0892396d0 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -88,6 +88,14 @@ struct btrfs_delayed_ref_head {
struct rb_node href_node;
struct btrfs_delayed_extent_op *extent_op;
+
+ /*
+ * This is used to track the final ref_mod from all the refs associated
+ * with this head ref, this is not adjusted as delayed refs are run,
+ * this is meant to track if we need to do the csum accounting or not.
+ */
+ int total_ref_mod;
+
/*
* when a new extent is allocated, it is just reserved in memory
* The actual extent isn't inserted into the extent allocation tree
@@ -138,6 +146,8 @@ struct btrfs_delayed_ref_root {
/* total number of head nodes ready for processing */
unsigned long num_heads_ready;
+ u64 pending_csums;
+
/*
* set when the tree is flushing before a transaction commit,
* used by the throttling code to decide if new updates need