> On Aug 30, 2020, at 11:53 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > On Tue, Aug 18, 2020 at 03:26:43PM -0700, Song Liu wrote: >> These functions can be used to enable iostat for partitions on devices >> like md, bcache. >> >> Signed-off-by: Song Liu <songliubraving@xxxxxx> > > EXPORT_SYMBOL_GPL for new block layer functionality, please. > > Otherwise this looks good: > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Thanks Christoph! Will fix and resend v3.