From: Alexandru Moise <00moses.alexander00@gmail.com>
Date: Mon, 7 Sep 2015 14:24:37 +0000 (+0300)
Subject: btrfs: memset cur_trans->delayed_refs to zero
X-Git-Tag: firefly_0821_release~176^2~545^2~70^2~13
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a099d0fdb34f00cee346703036a0a90d267e77d7;p=firefly-linux-kernel-4.4.55.git

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 c1916067b799..c2f84e25a666 100644
--- 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,