btrfs: support subpage in endio_readpage_update_page_status()
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. Reviewed-by:Josef Bacik <josef@toxicpanda.com> Signed-off-by:
Qu Wenruo <wqu@suse.com> Reviewed-by:
David Sterba <dsterba@suse.com> Signed-off-by:
David Sterba <dsterba@suse.com>
parent
4012daf7
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