Merge tag 'mvebu-fixes-4.1-2' of git://git.infradead.org/linux-mvebu into fixes

[deliverable/linux.git] / fs / btrfs / delayed-ref.h

diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index a764e2340d484fd7539cf514081cecc594d740a5..5eb0892396d017ba95645f7ab179a1c8a3696253 100644 (file)
--- 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