linux-kernel - Re: [PATCH v2 2/3] md: factor out a helper mddev_sync

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Date: Mon, 22 Jan 2024 10:15:13 +0800
From: Li Nan <linan666@...weicloud.com>
To: Mariusz Tkaczyk <mariusz.tkaczyk@...ux.intel.com>,
 linan666@...weicloud.com
Cc: song@...nel.org, shli@...com, neilb@...e.com, zlliu@...e.com,
 linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
 yukuai3@...wei.com, yi.zhang@...wei.com, houtao1@...wei.com,
 yangerkun@...wei.com
Subject: Re: [PATCH v2 2/3] md: factor out a helper mddev_sync_blockdev() to
 sync mddev



在 2024/1/18 16:08, Mariusz Tkaczyk 写道:
> On Wed, 17 Jan 2024 17:37:06 +0800
> linan666@...weicloud.com wrote:
> 
>> From: Li Nan <linan122@...wei.com>
>>
>> There are no functional changes, prepare to sync mddev in
>> array_state_store().
>>
>> Signed-off-by: Li Nan <linan122@...wei.com>
>> ---
>>   drivers/md/md.c | 31 +++++++++++++++++++------------
>>   1 file changed, 19 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/md/md.c b/drivers/md/md.c
>> index 4bf821b89415..2c793992a604 100644
>> --- a/drivers/md/md.c
>> +++ b/drivers/md/md.c
>> @@ -529,6 +529,23 @@ void mddev_resume(struct mddev *mddev)
>>   }
>>   EXPORT_SYMBOL_GPL(mddev_resume);
>>   
>> +/* sync bdev before setting device to readonly or stopping raid*/
>> +static int mddev_sync_blockdev(struct mddev *mddev) {
> 
> Please add something about MD_CLOSING to the function name. Comment is good but
> you need open function to get it. Something like:
> mddev_set_closing_and_sync_blockdev() is more reader friendly.
> 

I agree. Let me improve this.

> Anyway, LGTM.
> Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@...ux.intel.com>
> 
> Thanks,
> Mariusz
> 
> .

-- 
Thanks,
Nan