diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c index 0f3ea7300654..7233b90c1059 100644 --- a/sys/vm/vnode_pager.c +++ b/sys/vm/vnode_pager.c @@ -1150,28 +1150,30 @@ vnode_pager_generic_getpages_done(struct buf *bp) if (mt == bogus_page) continue; - if (nextoff <= object->un_pager.vnp.vnp_size) { - /* - * Read filled up entire page. - */ - vm_page_valid(mt); - KASSERT(mt->dirty == 0, - ("%s: page %p is dirty", __func__, mt)); - KASSERT(!pmap_page_is_mapped(mt), - ("%s: page %p is mapped", __func__, mt)); - } else { - /* - * Read did not fill up entire page. - * - * Currently we do not set the entire page valid, - * we just try to clear the piece that we couldn't - * read. - */ - vm_page_set_valid_range(mt, 0, - object->un_pager.vnp.vnp_size - tfoff); - KASSERT((mt->dirty & vm_page_bits(0, - object->un_pager.vnp.vnp_size - tfoff)) == 0, - ("%s: page %p is dirty", __func__, mt)); + if (error == 0) { + if (nextoff <= object->un_pager.vnp.vnp_size) { + /* + * Read filled up entire page. + */ + vm_page_valid(mt); + KASSERT(mt->dirty == 0, + ("%s: page %p is dirty", __func__, mt)); + KASSERT(!pmap_page_is_mapped(mt), + ("%s: page %p is mapped", __func__, mt)); + } else { + /* + * Read did not fill up entire page. + * + * Currently we do not set the entire page + * valid, we just try to clear the piece that + * we couldn't read. + */ + vm_page_set_valid_range(mt, 0, + object->un_pager.vnp.vnp_size - tfoff); + KASSERT((mt->dirty & vm_page_bits(0, + object->un_pager.vnp.vnp_size - tfoff)) == + 0, ("%s: page %p is dirty", __func__, mt)); + } } if (i < bp->b_pgbefore || i >= bp->b_npages - bp->b_pgafter)