On Thu, Dec 02, 2021 at 04:48:52PM +0800, Shiyang Ruan wrote: > The current dax_lock_page() locks dax entry by obtaining mapping and > index in page. To support 1-to-N RMAP in NVDIMM, we need a new function > to lock a specific dax entry corresponding to this file's mapping,index. > And BTW, output the page corresponding to the specific dax entry for > caller use. s/BTW, //g > /* > - * dax_lock_mapping_entry - Lock the DAX entry corresponding to a page > + * dax_lock_page - Lock the DAX entry corresponding to a page > * @page: The page whose entry we want to lock > * > * Context: Process context. This should probably got into a separate trivial fix. Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>