btrfs: memset cur_trans->delayed_refs to zero

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

Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index c191606..c2f84e2 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -236,15 +236,11 @@ loop:
        cur_trans->start_time = get_seconds();
        cur_trans->dirty_bg_run = 0;
 
+       memset(&cur_trans->delayed_refs, 0, sizeof(cur_trans->delayed_refs));
+
        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,