From: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Date: Wed, 26 Oct 2016 07:23:01 +0000 (+0800)
Subject: btrfs: cleanup: use already calculated value in btrfs_should_throttle_delayed_refs()
X-Git-Tag: v4.14-rc1~1552^2~34^2~43
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dc1a90c6aad8f0a4bd6e5e02c5244c6a760cd776;p=platform%2Fkernel%2Flinux-rpi3.git

btrfs: cleanup: use already calculated value in btrfs_should_throttle_delayed_refs()

Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 87ad2eb..62b6e20 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2826,7 +2826,7 @@ int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
 	smp_mb();
 	avg_runtime = fs_info->avg_delayed_ref_runtime;
 	val = num_entries * avg_runtime;
-	if (num_entries * avg_runtime >= NSEC_PER_SEC)
+	if (val >= NSEC_PER_SEC)
 		return 1;
 	if (val >= NSEC_PER_SEC / 2)
 		return 2;