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Date:   Mon, 6 Aug 2018 10:39:55 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     Joe Perches <joe@...ches.com>
CC:     <clm@...com>, <jbacik@...com>, <dsterba@...e.com>,
        <linux-btrfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] fs/btrfs/disk-io: Remove unneeded variable "err"

On 2018/8/5 23:27, Joe Perches wrote:
> On Sun, 2018-08-05 at 23:02 +0800, zhong jiang wrote:
>> The err is not used after initalization, So remove it and make
>> the function to be void function.
> []
>> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> []
>> @@ -4193,7 +4192,6 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
>>  	if (atomic_read(&delayed_refs->num_entries) == 0) {
>>  		spin_unlock(&delayed_refs->lock);
>>  		btrfs_info(fs_info, "delayed_refs has NO entry");
>> -		return ret;
> Think a little more about this please.
> This is not a sensible removal.
 I am sorry for stupid mistake.  I  will repost.

Thanks,
zhong jiang
>>  	}
>>  
>>  	while ((node = rb_first(&delayed_refs->href_root)) != NULL) {
>
> .
>


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