On 12/10/20 1:38 AM, Qu Wenruo wrote:
For btrfs subpage support, we need a structure to record extra info for
the status of each sectors of a page.

This patch will introduce the skeleton structure for future btrfs
subpage support.
All subpage related code would go to subpage.[ch] to avoid populating
the existing code base.

Signed-off-by: Qu Wenruo <[email protected]>

Reviewed-by: Josef Bacik <[email protected]>

Thanks,

Josef

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