btrfs: convert fallback_to_cow() to take a folio

With this we can pass the folio directly into cow_file_range().

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2024-07-24 16:40:34 -04:00 • committed by David Sterba
commit 39bbc56a9c