[PATCH] btrfs: memset cur_trans->delayed_refs to zero

[Alexandru Moise <00moses.alexander00@gmail.com>]

Use memset() to null out the btrfs_delayed_ref_root of
btrfs_transaction instead of setting all the members to 0 by hand.

Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
---
 fs/btrfs/transaction.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8f259b3..0581fb4 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -224,15 +224,15 @@ loop:
 	cur_trans->start_time = get_seconds();
 	cur_trans->dirty_bg_run = 0;
 
+	memset(&cur_trans->delayed_refs, 0, sizeof(cur_trans->delayed_refs));
+
+	/*
+	 * For now RB_ROOT means set to NULL but this could change in
+	 * the future
+	 */
 	cur_trans->delayed_refs.href_root = RB_ROOT;
 	cur_trans->delayed_refs.dirty_extent_root = RB_ROOT;
 	atomic_set(&cur_trans->delayed_refs.num_entries, 0);
-	cur_trans->delayed_refs.num_heads_ready = 0;
-	cur_trans->delayed_refs.pending_csums = 0;
-	cur_trans->delayed_refs.num_heads = 0;
-	cur_trans->delayed_refs.flushing = 0;
-	cur_trans->delayed_refs.run_delayed_start = 0;
-	cur_trans->delayed_refs.qgroup_to_skip = 0;
 
 	/*
 	 * although the tree mod log is per file system and not per transaction,
-- 
1.9.1