On Tue, Apr 19, 2022 at 12:50:45PM +0800, Shiyang Ruan wrote:
> Introduce a PAGE_MAPPING_DAX_COW flag to support association with CoW file
> mappings. In this case, since the dax-rmap has already took the
> responsibility to look up for shared files by given dax page,
> the page->mapping is no
Looks good:
Reviewed-by: Christoph Hellwig
Introduce a PAGE_MAPPING_DAX_COW flag to support association with CoW file
mappings. In this case, since the dax-rmap has already took the
responsibility to look up for shared files by given dax page,
the page->mapping is no longer to used for rmap but for marking that
this dax page is shared.
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