btrfs: remove unused parameter nr_pages in add_ra_bio_pages()

Variable @nr_pages only gets increased but never used.  Remove it.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2021-09-27 15:21:43 +08:00 • committed by David Sterba
commit cd9255be69