Re: rename ->make_request_fn and move it to the block_device_operations
From: Jens Axboe
Date: Tue Jun 30 2020 - 14:22:00 EST
On 6/30/20 12:19 PM, Christoph Hellwig wrote:
> On Tue, Jun 30, 2020 at 09:43:31AM -0600, Jens Axboe wrote:
>> On 6/30/20 7:57 AM, Jens Axboe wrote:
>>> On 6/29/20 1:39 PM, Christoph Hellwig wrote:
>>>> Hi Jens,
>>>>
>>>> this series moves the make_request_fn method into block_device_operations
>>>> with the much more descriptive ->submit_bio name. It then also gives
>>>> generic_make_request a more descriptive name, and further optimize the
>>>> path to issue to blk-mq, removing the need for the direct_make_request
>>>> bypass.
>>>
>>> Looks good to me, and it's a nice cleanup as well. Applied.
>>
>> Dropped, insta-crashes with dm:
>
> Hmm. Can you send me what is at "submit_bio_noacct+0x1f6" from gdb?
> Or your .config?
I'd have to apply and compile again. But it's a bad RIP, so I'm guessing
it's ->submit_bio == NULL. Let me know if you really need it, and I can
re-generate the OOPS and have the vmlinux too.
--
Jens Axboe