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[0/3,v2,focal:linux-azure] cifs: On cifs_reconnect, resolve the hostname again

Message ID 20210527142158.16171-1-tim.gardner@canonical.com
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Series cifs: On cifs_reconnect, resolve the hostname again | expand

Message

Tim Gardner May 27, 2021, 2:21 p.m. UTC
v2 - Added an LP BugLink.

BugLink: https://bugs.launchpad.net/bugs/1929831

Microsoft has asked to have commit commit 4e456b30f78c429b183db420e23b26cde7e03a78 applied.
A customer is reporting difficulties, though details are quite sparse.
The first 2 patches are scaffolding to make the backport simpler.

[Impact]

CIFS reconnects fail.

[Test Plan]

A test kernel made available to Microsoft has been verified to fix the problem.

[Where problems could occur]

This could perturb CIFS connections in new and different ways.

[Other Info]

PPA: https://launchpad.net/~timg-tpi/+archive/ubuntu/cifs-reconnect-sf00309672
SF: https://canonical.my.salesforce.com/5004K000005pQNG

Comments

Guilherme G. Piccoli May 27, 2021, 2:37 p.m. UTC | #1
On 27/05/2021 11:21, Tim Gardner wrote:
> v2 - Added an LP BugLink.
> 
> BugLink: https://bugs.launchpad.net/bugs/1929831
> 
> Microsoft has asked to have commit commit 4e456b30f78c429b183db420e23b26cde7e03a78 applied.
> A customer is reporting difficulties, though details are quite sparse.
> The first 2 patches are scaffolding to make the backport simpler.
> 
> [Impact]
> 
> CIFS reconnects fail.
> 
> [Test Plan]
> 
> A test kernel made available to Microsoft has been verified to fix the problem.
> 
> [Where problems could occur]
> 
> This could perturb CIFS connections in new and different ways.
> 
> [Other Info]
> 
> PPA: https://launchpad.net/~timg-tpi/+archive/ubuntu/cifs-reconnect-sf00309672
> SF: https://canonical.my.salesforce.com/5004K000005pQNG
> 
> 

Hey Tim, the patches look good to me so is the backport.
The only thing I noticed is that, for patch 2, we have this small fix:
git.kernel.org/linus/0bf1bafb17df

Should we include it here as well? It's unfortunate that this fix
doesn't contain a Fixes tag, not sure why...

Let me know your thoughts - if we're leaving this small fix out, I can
ACK this series.

Cheers,


Guilherme
Tim Gardner May 27, 2021, 2:46 p.m. UTC | #2
On 5/27/21 8:37 AM, Guilherme G. Piccoli wrote:
> 
> 
> On 27/05/2021 11:21, Tim Gardner wrote:
>> v2 - Added an LP BugLink.
>>
>> BugLink: https://bugs.launchpad.net/bugs/1929831
>>
>> Microsoft has asked to have commit commit 4e456b30f78c429b183db420e23b26cde7e03a78 applied.
>> A customer is reporting difficulties, though details are quite sparse.
>> The first 2 patches are scaffolding to make the backport simpler.
>>
>> [Impact]
>>
>> CIFS reconnects fail.
>>
>> [Test Plan]
>>
>> A test kernel made available to Microsoft has been verified to fix the problem.
>>
>> [Where problems could occur]
>>
>> This could perturb CIFS connections in new and different ways.
>>
>> [Other Info]
>>
>> PPA: https://launchpad.net/~timg-tpi/+archive/ubuntu/cifs-reconnect-sf00309672
>> SF: https://canonical.my.salesforce.com/5004K000005pQNG
>>
>>
> 
> Hey Tim, the patches look good to me so is the backport.
> The only thing I noticed is that, for patch 2, we have this small fix:
> git.kernel.org/linus/0bf1bafb17df
> 
> Should we include it here as well? It's unfortunate that this fix
> doesn't contain a Fixes tag, not sure why...
> 
> Let me know your thoughts - if we're leaving this small fix out, I can
> ACK this series.

Seems like we should include that patch as well. v3 on the way.
Tim Gardner May 27, 2021, 2:47 p.m. UTC | #3
v3 on the way

On 5/27/21 8:21 AM, Tim Gardner wrote:
> v2 - Added an LP BugLink.
> 
> BugLink: https://bugs.launchpad.net/bugs/1929831
> 
> Microsoft has asked to have commit commit 4e456b30f78c429b183db420e23b26cde7e03a78 applied.
> A customer is reporting difficulties, though details are quite sparse.
> The first 2 patches are scaffolding to make the backport simpler.
> 
> [Impact]
> 
> CIFS reconnects fail.
> 
> [Test Plan]
> 
> A test kernel made available to Microsoft has been verified to fix the problem.
> 
> [Where problems could occur]
> 
> This could perturb CIFS connections in new and different ways.
> 
> [Other Info]
> 
> PPA: https://launchpad.net/~timg-tpi/+archive/ubuntu/cifs-reconnect-sf00309672
> SF: https://canonical.my.salesforce.com/5004K000005pQNG
>
Guilherme G. Piccoli May 27, 2021, 2:48 p.m. UTC | #4
Thank you Tim!