[RFC PATCH] block: add meaningful macro for flush op flags

[Yu Kuai]

Hi,

在 2023/05/13 9:09, Chaitanya Kulkarni 写道:
> On 5/12/23 06:00, Christoph Hellwig wrote:
>> Hell no.  This is just obsfucation.  We can look into actually exposing
>> REQ_OP_FLUSH at the bio level, but not something like this.
>>
> 
> and that's why I made it RFC, thanks for the can you please elaborate
> on "exposing REQ_OP_FLUSH at the bio level" ?

I think Christoph means that use this flag directly for bio, it's only
used for reqeust for now.

Thanks,
Kuai
> 
> I'd really like work that ...
> 
> -ck
> 
>