block: remove the gfp_mask argument to bounce_clone_bio

The only caller always passes GFP_NOIO.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/bounce.c

@@ -214,7 +214,7 @@ static void bounce_end_io_read_isa(struct bio *bio)
 	__bounce_end_io_read(bio, &isa_page_pool);
 }
 
-static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask)
+static struct bio *bounce_clone_bio(struct bio *bio_src)
 {
 	struct bvec_iter iter;
 	struct bio_vec bv;
@@ -242,9 +242,9 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask)
 	 *    __bio_clone_fast() anyways.
 	 */
 	if (bio_is_passthrough(bio_src))
-		bio = bio_kmalloc(gfp_mask, bio_segments(bio_src));
+		bio = bio_kmalloc(GFP_NOIO, bio_segments(bio_src));
 	else
-		bio = bio_alloc_bioset(gfp_mask, bio_segments(bio_src),
+		bio = bio_alloc_bioset(GFP_NOIO, bio_segments(bio_src),
 				       &bounce_bio_set);
 	if (!bio)
 		return NULL;
@@ -271,11 +271,11 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask)
 		break;
 	}
 
-	if (bio_crypt_clone(bio, bio_src, gfp_mask) < 0)
+	if (bio_crypt_clone(bio, bio_src, GFP_NOIO) < 0)
 		goto err_put;
 
 	if (bio_integrity(bio_src) &&
-	    bio_integrity_clone(bio, bio_src, gfp_mask) < 0)
+	    bio_integrity_clone(bio, bio_src, GFP_NOIO) < 0)
 		goto err_put;
 
 	bio_clone_blkg_association(bio, bio_src);
@@ -315,7 +315,7 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig,
 		submit_bio_noacct(*bio_orig);
 		*bio_orig = bio;
 	}
-	bio = bounce_clone_bio(*bio_orig, GFP_NOIO);
+	bio = bounce_clone_bio(*bio_orig);
 
 	/*
 	 * Bvec table can't be updated by bio_for_each_segment_all(),