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 87ad2ebcac6282f6b37bee210d3ab6daae015847..62b6e2023e12e99bc982f8e7b7f1bd887863b7c6 100644 (file)
--- 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;