X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fbio.c;h=8000e2fa16cb21a12f8288b3f0b7eeb8d88ab042;hb=988b02f1bf5b608ef91a9d98c7170d037d0f12e3;hp=88322b066acb68f8279e79eeca5842c6b02bd8ce;hpb=82638844d9a8581bbf33201cc209a14876eca167;p=pandora-kernel.git

diff --git a/fs/bio.c b/fs/bio.c
index 88322b066acb..8000e2fa16cb 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -77,11 +77,8 @@ struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct
 	 */
 
 	bvl = mempool_alloc(bs->bvec_pools[*idx], gfp_mask);
-	if (bvl) {
-		struct biovec_slab *bp = bvec_slabs + *idx;
-
-		memset(bvl, 0, bp->nr_vecs * sizeof(struct bio_vec));
-	}
+	if (bvl)
+		memset(bvl, 0, bvec_nr_vecs(*idx) * sizeof(struct bio_vec));
 
 	return bvl;
 }
@@ -149,7 +146,7 @@ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
 				goto out;
 			}
 			bio->bi_flags |= idx << BIO_POOL_OFFSET;
-			bio->bi_max_vecs = bvec_slabs[idx].nr_vecs;
+			bio->bi_max_vecs = bvec_nr_vecs(idx);
 		}
 		bio->bi_io_vec = bvl;
 	}
@@ -721,12 +718,8 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
 		const int local_nr_pages = end - start;
 		const int page_limit = cur_page + local_nr_pages;
 		
-		down_read(&current->mm->mmap_sem);
-		ret = get_user_pages(current, current->mm, uaddr,
-				     local_nr_pages,
-				     write_to_vm, 0, &pages[cur_page], NULL);
-		up_read(&current->mm->mmap_sem);
-
+		ret = get_user_pages_fast(uaddr, local_nr_pages,
+				write_to_vm, &pages[cur_page]);
 		if (ret < local_nr_pages) {
 			ret = -EFAULT;
 			goto out_unmap;