From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754298Ab3JBOcy (ORCPT ); Wed, 2 Oct 2013 10:32:54 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49021 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753244Ab3JBO27 (ORCPT ); Wed, 2 Oct 2013 10:28:59 -0400 From: Jan Kara To: LKML Cc: linux-mm@kvack.org, Jan Kara , Sage Weil , ceph-devel@vger.kernel.org Subject: [PATCH 15/26] ceph: Convert ceph_get_direct_page_vector() to get_user_pages_fast() Date: Wed, 2 Oct 2013 16:27:56 +0200 Message-Id: <1380724087-13927-16-git-send-email-jack@suse.cz> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> References: <1380724087-13927-1-git-send-email-jack@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CC: Sage Weil CC: ceph-devel@vger.kernel.org Signed-off-by: Jan Kara --- net/ceph/pagevec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 815a2249cfa9..1b1ac7887767 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -23,17 +23,15 @@ struct page **ceph_get_direct_page_vector(const void __user *data, if (!pages) return ERR_PTR(-ENOMEM); - down_read(¤t->mm->mmap_sem); while (got < num_pages) { - rc = get_user_pages(current, current->mm, + rc = get_user_pages_fast( (unsigned long)data + ((unsigned long)got * PAGE_SIZE), - num_pages - got, write_page, 0, pages + got, NULL); + num_pages - got, write_page, pages + got); if (rc < 0) break; BUG_ON(rc == 0); got += rc; } - up_read(¤t->mm->mmap_sem); if (rc < 0) goto fail; return pages; -- 1.8.1.4