Re: [RFCv3 06/10] fs.h: Add TRACE_IOCB_STRINGS for use in trace points

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Christian Brauner <brauner@xxxxxxxxxx> writes:

Hi Christian

Thanks for your review!

> On Thu, Apr 13, 2023 at 02:10:28PM +0530, Ritesh Harjani (IBM) wrote:
>> Add TRACE_IOCB_STRINGS macro which can be used in the trace point patch to
>> print different flag values with meaningful string output.
>>
>> Tested-by: Disha Goel <disgoel@xxxxxxxxxxxxx>
>> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>> Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
>> ---
>
> Fine, but fs.h is such a dumping ground already

Ok, 3205 lines in fs.h.

> I hope we can split more stuff out of it going forward...

Any first thoughts/suggestions like what?

>>  include/linux/fs.h | 14 ++++++++++++++
>>  1 file changed, 14 insertions(+)
>>
>> diff --git a/include/linux/fs.h b/include/linux/fs.h
>> index 9ca3813f43e2..6903fc15987a 100644
>> --- a/include/linux/fs.h
>> +++ b/include/linux/fs.h
>> @@ -340,6 +340,20 @@ enum rw_hint {
>>  /* can use bio alloc cache */
>>  #define IOCB_ALLOC_CACHE	(1 << 21)
>>
>> +/* for use in trace events */
>> +#define TRACE_IOCB_STRINGS \
>> +	{ IOCB_HIPRI, "HIPRI"	}, \
>> +	{ IOCB_DSYNC, "DSYNC"	}, \
>> +	{ IOCB_SYNC, "SYNC"	}, \
>> +	{ IOCB_NOWAIT, "NOWAIT" }, \
>> +	{ IOCB_APPEND, "APPEND" }, \
>> +	{ IOCB_EVENTFD, "EVENTD"}, \
>
> s/EVENTD/EVENTFD/

Oops an oversight. Thanks for catching it.

-ritesh



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