Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753698Ab3JBOcr (ORCPT ); Wed, 2 Oct 2013 10:32:47 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49024 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753300Ab3JBO27 (ORCPT ); Wed, 2 Oct 2013 10:28:59 -0400 From: Jan Kara To: LKML Cc: linux-mm@kvack.org, Jan Kara , Greg Kroah-Hartman , Peng Tao , Andreas Dilger , hpdd-discuss@ml01.01.org Subject: [PATCH 10/26] lustre: Convert ll_get_user_pages() to use get_user_pages_fast() Date: Wed, 2 Oct 2013 16:27:51 +0200 Message-Id: <1380724087-13927-11-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 Content-Length: 1330 Lines: 35 CC: Greg Kroah-Hartman CC: Peng Tao CC: Andreas Dilger CC: hpdd-discuss@lists.01.org Signed-off-by: Jan Kara --- drivers/staging/lustre/lustre/llite/rw26.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index 96c29ad2fc8c..7e3e0967993b 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -202,11 +202,8 @@ static inline int ll_get_user_pages(int rw, unsigned long user_addr, OBD_ALLOC_LARGE(*pages, *max_pages * sizeof(**pages)); if (*pages) { - down_read(¤t->mm->mmap_sem); - result = get_user_pages(current, current->mm, user_addr, - *max_pages, (rw == READ), 0, *pages, - NULL); - up_read(¤t->mm->mmap_sem); + result = get_user_pages_fast(user_addr, *max_pages, + (rw == READ), *pages); if (unlikely(result <= 0)) OBD_FREE_LARGE(*pages, *max_pages * sizeof(**pages)); } -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/