On 05/03/2016 03:44 PM, Jeff Moyer wrote:
> [email protected] writes:
> 
>> The following patches begin to cleanup the request->cmd_flags and
>> bio->bi_rw mess. We currently use cmd_flags to specify the operation,
>> attributes and state of the request. For bi_rw we use it for similar
>> info and also the priority but then also have another bi_flags field
>> for state. At some point, we abused them so much we just made cmd_flags
>> 64 bits, so we could add more.
>>
>> The following patches seperate the operation (read, write discard,
>> flush, etc) from cmd_flags/bi_rw.
>>
>> This patchset was made against linux-next from today April 15
>> (git tag next-20160415).
>>
>> I put a git tree here:
>> https://github.com/mikechristie/linux-kernel.git
>> The patches are in the op branch.
> 
> Hi, Mike,
> 
> That git tree doesn't seem to exist.  I did manage to apply your patch
> set on top of next-20160415, though.
> 
> So... what testing did you do? ;-) I ran into the following problems

I normally run xfstests and run it on my daily workstation and laptop. I
did not do this for every FS this time and hit a regression.

What FS were you using?

> - git clone fails
> - yum segfaults


In v7/v6, I missed a new submit_bio call, so I hit issues like the two
above. I have this fixed in the next version.

> - many blktrace/blkparse issues, including incorrect cpu recorded in
>   traces, null task names, and blkparse outputting nothing for a trace
>   file several gigabytes in size.

I will double check for these issues.

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