X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=fs%2Fbio.c;h=8000e2fa16cb21a12f8288b3f0b7eeb8d88ab042;hb=f5a6d958b5d0a10e7e7a9dee1862fb31d08c6d26;hp=88322b066acb68f8279e79eeca5842c6b02bd8ce;hpb=cdbfc557c43ea1f1f9b7062300ecb1254969814b;p=linux-2.6-omap-h63xx.git diff --git a/fs/bio.c b/fs/bio.c index 88322b066ac..8000e2fa16c 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(¤t->mm->mmap_sem); - ret = get_user_pages(current, current->mm, uaddr, - local_nr_pages, - write_to_vm, 0, &pages[cur_page], NULL); - up_read(¤t->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;