On Thu, Dec 01, 2022 at 03:28:51PM +, Shiyang Ruan wrote:
> fsdax page is used not only when CoW, but also mapread. To make the it
> easily understood, use 'share' to indicate that the dax page is shared
> by more than one extent. And add helper functions to use it.
>
> Also, the flag needs
fsdax page is used not only when CoW, but also mapread. To make the it
easily understood, use 'share' to indicate that the dax page is shared
by more than one extent. And add helper functions to use it.
Also, the flag needs to be renamed to PAGE_MAPPING_DAX_SHARED.
Signed-off-by: Shiyang Ruan
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