Re: [PATCH v3] Monitor: print message before quit for no array to monitor

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Hi Coly,

Didn't see this one as it was only copied to my work email. Sorry.

Applied!

Thanks,
Jes

On 12/5/21 8:39 AM, Coly Li wrote:
> Hi  Jes,
> 
> Could you take this one for 4.2? It is posted for a while, which fixes a
> bug report of mine.
> 
> Thanks.
> 
> Coly Li
> 
> On 9/2/21 3:32 PM, Coly Li wrote:
>> If there is no array device to monitor, Monitor() will stop monitoring
>> at line 261 from the following code block,
>>   257                 if (!new_found) {
>>   258                         if (oneshot)
>>   259                                 break;
>>   260                         else if (!anyredundant) {
>>   261                                 break;
>>   262                         }
>>
>> This change was introduced by commit 007087d0898a ("Monitor: stop
>> notifing about containers"). Before this commit, Monitor() will continue
>> and won't quit even there is no array to monitor.
>>
>> It is fine to quit without any array device to monitor, but users may
>> wonder whether there is something wrong with mdadm program or their
>> configuration to make mdadm quit monitoring.
>>
>> This patch adds a simple error message to indicate Monitor() quits for
>> array device to monitor, which makes users have hint to understand why
>> mdadm stops monitoring.
>>
>> Reported-by: George Gkioulis <ggkioulis@xxxxxxxx>
>> Suggested-by: Mariusz Tkaczyk <mariusz.tkaczyk@xxxxxxxxxxxxxxx>
>> Signed-off-by: Coly Li <colyli@xxxxxxx>
>> Cc: Jes Sorensen <jsorensen@xxxxxx>
>> ---
>> Changelog:
>> v3: modify printed message by suggestion from Mariusz.
>> v2: add CC to Jes, and fix typo.
>> v1: the original version.
>>
>>   Monitor.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/Monitor.c b/Monitor.c
>> index f541229..839ec78 100644
>> --- a/Monitor.c
>> +++ b/Monitor.c
>> @@ -258,6 +258,7 @@ int Monitor(struct mddev_dev *devlist,
>>               if (oneshot)
>>                   break;
>>               else if (!anyredundant) {
>> +                pr_err("No array with redundancy detected, stopping\n");
>>                   break;
>>               }
>>               else {
> 





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