On 08/25/2015 12:32 AM, Ariel Nahum wrote:
> Ping
> Hi mike seems u forgot about it?
> 

Yeah, I sort of forgot about it. I was waiting for comments about the
login_timeout/30 secs change, but then it looks like I said I would just
merge it with that change and not wait anymore.

I will just merge it like that later today.


> 
> -----Original Message-----
> From: Mike Christie [mailto:[email protected]] 
> Sent: Wednesday, July 16, 2014 7:43 AM
> To: [email protected]
> Cc: Roi Dayan; Ariel Nahum
> Subject: Re: [PATCH] Fix infinite loop when conn bind fails
> 
> Ah sorry. I thought this was something you only found during code review and 
> were not actually hitting in production.
> 
> Should get to it this either the end of this week or next week. Doing a 
> release at work, then vacation until Wed next week.
> 
> If you need it for some distros though let me know the bugzilla numbers, I 
> can squeeze it in and work with them.
> 
> 
> On 07/15/2014 02:10 AM, Roi Dayan wrote:
>> Hi Mike,
>>
>> Sorry to nag about this but is there an update about the fix?
>> We really want to see this fix being merged.
>>
>> Thanks,
>> Roi
>>
>>
>> -----Original Message-----
>> From: Roi Dayan
>> Sent: Thursday, June 26, 2014 9:53 AM
>> To: Michael Christie
>> Cc: [email protected]; Ariel Nahum
>> Subject: RE: [PATCH] Fix infinite loop when conn bind fails
>>
>> Ok. Thanks.
>>
>>
>> -----Original Message-----
>> From: Michael Christie [mailto:[email protected]]
>> Sent: Thursday, June 26, 2014 9:33 AM
>> To: Roi Dayan
>> Cc: [email protected]; Ariel Nahum
>> Subject: Re: [PATCH] Fix infinite loop when conn bind fails
>>
>> Hey, I think I am just going to add a actor_delete in actor_timer. It makes 
>> the actor_timer function really simple to use then.
>>
>>
>> On Jun 19, 2014, at 6:35 AM, Roi Dayan <[email protected]> wrote:
>>
>>> Hi Mike,
>>>
>>> Is there an update about this commit?
>>> About the decision between adding actor_delete or using 
>>> queue_delayed_reopen.
>>>
>>> Thanks,
>>> Roi
>>>
>>>
>>> -----Original Message-----
>>> From: Mike Christie [mailto:[email protected]]
>>> Sent: Tuesday, June 10, 2014 8:10 PM
>>> To: [email protected]
>>> Cc: Ariel Nahum; Roi Dayan
>>> Subject: Re: [PATCH] Fix infinite loop when conn bind fails
>>>
>>> On 06/09/2014 01:44 AM, Ariel Nahum wrote:
>>>> Currently, when conn bind fails, iscsi_conn_connect is called and it 
>>>> reschedules the login_timer by adding it to the pending list while 
>>>> it's actually already there. This will create an infinite loop when 
>>>> the pending list is processed.
>>>>
>>>> To fix that, use queue_delayed_reopen which first calls actor_delete 
>>>> to make sure the actor is not in the list before rescheduling it.
>>>>
>>>> Signed-off-by: Ariel Nahum <[email protected]>
>>>> Signed-off-by: Roi Dayan <[email protected]>
>>>> ---
>>>> usr/initiator.c |    3 +--
>>>> 1 files changed, 1 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/usr/initiator.c b/usr/initiator.c index 
>>>> 05a5b19..067cf0a
>>>> 100644
>>>> --- a/usr/initiator.c
>>>> +++ b/usr/initiator.c
>>>> @@ -543,8 +543,7 @@ static int iscsi_conn_connect(struct iscsi_conn *conn, 
>>>> queue_task_t *qtask)
>>>>    iscsi_sched_ev_context(ev_context, conn, 0, EV_CONN_POLL);
>>>>    log_debug(3, "Setting login timer %p timeout %d", &conn->login_timer,
>>>>              conn->login_timeout);
>>>> -  actor_timer(&conn->login_timer, conn->login_timeout * 1000,
>>>> -              iscsi_login_timedout, qtask);
>>>> +  queue_delayed_reopen(qtask, conn->login_timeout);
>>>>    return 0;
>>>> }
>>>
>>> Patch is correct. Thanks.
>>>
>>> I am just trying to think of a better name for queue_delayed_reopen or 
>>> maybe if we want to just add a actor_delete in iscsi_connect. When we call 
>>> it above, the name of the function is odd since we are not requeueing the 
>>> reopn. In this code path we use the login_timer to monitor the 
>>> connect/login process. When other callers of queue_delayed_reopen call it, 
>>> they are reusing the login_timer as a generic timer to retry connect/login.
>>>
>>> Give me another day to think about it.
>>>
>>
> 

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