From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932746AbbLXQVm (ORCPT ); Thu, 24 Dec 2015 11:21:42 -0500 Received: from mga03.intel.com ([134.134.136.65]:8966 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753812AbbLXQUu (ORCPT ); Thu, 24 Dec 2015 11:20:50 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,474,1444719600"; d="scan'208";a="847811507" From: Matthew Wilcox Cc: Matthew Wilcox , linux-mm@kvack.org, linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Subject: [PATCH 6/8] block_dev: Support PUD DAX mappings Date: Thu, 24 Dec 2015 11:20:35 -0500 Message-Id: <1450974037-24775-7-git-send-email-matthew.r.wilcox@intel.com> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1450974037-24775-1-git-send-email-matthew.r.wilcox@intel.com> References: <1450974037-24775-1-git-send-email-matthew.r.wilcox@intel.com> To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/block_dev.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/block_dev.c b/fs/block_dev.c index 2d9137e..ed73fdf 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1739,6 +1739,12 @@ static int blkdev_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, return __dax_pmd_fault(vma, addr, pmd, flags, blkdev_get_block, NULL); } +static int blkdev_dax_pud_fault(struct vm_area_struct *vma, unsigned long addr, + pud_t *pud, unsigned int flags) +{ + return __dax_pud_fault(vma, addr, pud, flags, blkdev_get_block, NULL); +} + static void blkdev_vm_open(struct vm_area_struct *vma) { struct inode *bd_inode = bdev_file_inode(vma->vm_file); @@ -1764,6 +1770,7 @@ static const struct vm_operations_struct blkdev_dax_vm_ops = { .close = blkdev_vm_close, .fault = blkdev_dax_fault, .pmd_fault = blkdev_dax_pmd_fault, + .pud_fault = blkdev_dax_pud_fault, .pfn_mkwrite = blkdev_dax_fault, }; -- 2.6.2