From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id 2FC2A6B00A3 for ; Sun, 23 Mar 2014 15:08:43 -0400 (EDT) Received: by mail-pa0-f52.google.com with SMTP id rd3so4540325pab.11 for ; Sun, 23 Mar 2014 12:08:42 -0700 (PDT) Received: from mga02.intel.com (mga02.intel.com. [134.134.136.20]) by mx.google.com with ESMTP id f1si7600418pbn.489.2014.03.23.12.08.42 for ; Sun, 23 Mar 2014 12:08:42 -0700 (PDT) From: Matthew Wilcox Subject: [PATCH v2 6/6] brd: Add support for rw_page Date: Sun, 23 Mar 2014 15:08:28 -0400 Message-Id: <67076223fca0b9ad393699a1fcfe53a95401d492.1395593198.git.matthew.r.wilcox@intel.com> In-Reply-To: References: In-Reply-To: References: Sender: owner-linux-mm@kvack.org List-ID: To: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Matthew Wilcox , willy@linux.intel.com Signed-off-by: Matthew Wilcox --- drivers/block/brd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/block/brd.c b/drivers/block/brd.c index e73b85c..807d3d5 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -360,6 +360,15 @@ out: bio_endio(bio, err); } +static int brd_rw_page(struct block_device *bdev, sector_t sector, + struct page *page, int rw) +{ + struct brd_device *brd = bdev->bd_disk->private_data; + int err = brd_do_bvec(brd, page, PAGE_CACHE_SIZE, 0, rw, sector); + page_endio(page, rw & WRITE, err); + return err; +} + #ifdef CONFIG_BLK_DEV_XIP static int brd_direct_access(struct block_device *bdev, sector_t sector, void **kaddr, unsigned long *pfn) @@ -419,6 +428,7 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode, static const struct block_device_operations brd_fops = { .owner = THIS_MODULE, + .rw_page = brd_rw_page, .ioctl = brd_ioctl, #ifdef CONFIG_BLK_DEV_XIP .direct_access = brd_direct_access, -- 1.9.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org