diff options
Diffstat (limited to 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 16 |
1 files changed, 6 insertions, 10 deletions
@@ -264,13 +264,12 @@ EXPORT_SYMBOL(bio_init); * bio_alloc_bioset - allocate a bio for I/O * @gfp_mask: the GFP_ mask given to the slab allocator * @nr_iovecs: number of iovecs to pre-allocate - * @bs: the bio_set to allocate from. If %NULL, just use kmalloc + * @bs: the bio_set to allocate from. * * Description: - * bio_alloc_bioset will first try its own mempool to satisfy the allocation. + * bio_alloc_bioset will try its own mempool to satisfy the allocation. * If %__GFP_WAIT is set then we will block on the internal pool waiting - * for a &struct bio to become free. If a %NULL @bs is passed in, we will - * fall back to just using @kmalloc to allocate the required memory. + * for a &struct bio to become free. * * Note that the caller must set ->bi_destructor on successful return * of a bio, to do the appropriate freeing of the bio once the reference @@ -507,10 +506,8 @@ int bio_get_nr_vecs(struct block_device *bdev) int nr_pages; nr_pages = ((queue_max_sectors(q) << 9) + PAGE_SIZE - 1) >> PAGE_SHIFT; - if (nr_pages > queue_max_phys_segments(q)) - nr_pages = queue_max_phys_segments(q); - if (nr_pages > queue_max_hw_segments(q)) - nr_pages = queue_max_hw_segments(q); + if (nr_pages > queue_max_segments(q)) + nr_pages = queue_max_segments(q); return nr_pages; } @@ -575,8 +572,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page * make this too complex. */ - while (bio->bi_phys_segments >= queue_max_phys_segments(q) - || bio->bi_phys_segments >= queue_max_hw_segments(q)) { + while (bio->bi_phys_segments >= queue_max_segments(q)) { if (retried_segments) return 0; |