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

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

>  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/



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