fs/bio: remove bs paramater in biovec_create_pool

bs is no longer used in biovec_create_pool since 9f060e2231ca96 ("block:
Convert integrity to bvec_alloc_bs()")

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 1c2ce0c..9e24106 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -617,7 +617,7 @@
 	if (!bs->bio_integrity_pool)
 		return -1;
 
-	bs->bvec_integrity_pool = biovec_create_pool(bs, pool_size);
+	bs->bvec_integrity_pool = biovec_create_pool(pool_size);
 	if (!bs->bvec_integrity_pool) {
 		mempool_destroy(bs->bio_integrity_pool);
 		return -1;