> It looks like it will be better to move this into merge condition?
>
> if (bio && (!page_is_mergeable(sbi, bio,
> *last_block_in_bio, blkaddr) ||
> !f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL)
> ||
> f2fs_verify_mergeable_bio())) {
>I tried this for the first time, but it requires unnecessary checks within the compression cluster. I wanted to just check one time in the beginning of the cluster. What do you think?

