On 1/26/21 3:33 AM, Qu Wenruo wrote:

To handle subpage status update, add the following:

- Use btrfs_page_*() subpage-aware helpers to update page status
   Now we can handle both cases well.

- No page unlock for subpage metadata
   Since subpage metadata doesn't utilize page locking at all, skip it.
   For subpage data locking, it's handled in later commits.

Signed-off-by: Qu Wenruo <redacted>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef