On 2/4/21 7:50 PM, Chaitanya Kulkarni wrote: > blk_fill_rwbs() is an expoted function, add kernel style documentation > comment. > > Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx> > Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> > Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > --- > include/linux/blktrace_api.h | 2 +- > kernel/trace/blktrace.c | 10 ++++++++++ > 2 files changed, 11 insertions(+), 1 deletion(-) > > diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h > index 11484f1d19a1..e17d04abf6a3 100644 > --- a/include/linux/blktrace_api.h > +++ b/include/linux/blktrace_api.h > @@ -119,7 +119,7 @@ struct compat_blk_user_trace_setup { > > #endif > > -extern void blk_fill_rwbs(char *rwbs, unsigned int op); > +void blk_fill_rwbs(char *rwbs, unsigned int op); > > static inline sector_t blk_rq_trace_sector(struct request *rq) > { > diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c > index 8a2591c7aa41..d7ebef83771c 100644 > --- a/kernel/trace/blktrace.c > +++ b/kernel/trace/blktrace.c > @@ -1867,6 +1867,16 @@ void blk_trace_remove_sysfs(struct device *dev) > > #ifdef CONFIG_EVENT_TRACING > > +/** > + * blk_fill_rwbs - Fill the buffer rwbs by mapping op to character string. Hi, for any next time: @op > + * @rwbs buffer to be filled > + * @op: REQ_OP_XXX for the tracepoint > + * > + * Description: > + * Maps the REQ_OP_XXX to character and fills the buffer provided by the > + * caller with resulting string. > + * > + **/ > void blk_fill_rwbs(char *rwbs, unsigned int op) > { > int i = 0; > thanks. -- ~Randy