linux-kernel - RE: [PATCH] blk-mq: export blk_mq_submit

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Message-ID: <PSAP153MB0518090A749E26814966672684A29@PSAP153MB0518.APCP153.PROD.OUTLOOK.COM>
Date:   Wed, 22 Sep 2021 05:45:08 +0000
From:   Prasad Muppana <Lalita.Muppana@...rosoft.com>
To:     Chaitanya Kulkarni <chaitanyak@...dia.com>,
        Praveen Kumar <kumarpraveen@...ux.microsoft.com>,
        Christoph Hellwig <hch@...radead.org>,
        Atin Mukherjee <Atin.MUKHERJEE@...rosoft.com>
CC:     "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "schakrabarti@...ux.microsoft.com" <schakrabarti@...ux.microsoft.com>
Subject: RE: [PATCH] blk-mq: export blk_mq_submit_bio symbol

Hi Chaitanya,

Thanks for the response.

Our driver code is not yet public and so Praveen has explained the flow of the code. Please let me know is there any other way to get some help here quickly.

With Thanks,
Prasad

-----Original Message-----
From: Chaitanya Kulkarni <chaitanyak@...dia.com> 
Sent: Tuesday, September 21, 2021 1:55 AM
To: Prasad Muppana <Lalita.Muppana@...rosoft.com>; Praveen Kumar <kumarpraveen@...ux.microsoft.com>; Christoph Hellwig <hch@...radead.org>
Cc: linux-block@...r.kernel.org; linux-kernel@...r.kernel.org; axboe@...nel.dk; schakrabarti@...ux.microsoft.com
Subject: [EXTERNAL] Re: [PATCH] blk-mq: export blk_mq_submit_bio symbol

On 9/19/21 10:30 PM, Prasad Muppana wrote:
> External email: Use caution opening links or attachments
> 
> 
> Hi Christoph,
> 
> We are in the process of opening the source code for the driver and stuck with this issue which is causing delay in the process. Currently, the Linux customers are impacted by this issue and mostly RHEL8.4 and Ubuntu customers are blocked. So we are looking for any solution that can mitigate this issue as short term goal and in the meantime, we will open the source which will have long term solution to handle this issue. Please help here in this case.
> 

The ideal way is to submit this with the code that is using this.