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Date: Sun, 23 Mar 2014 15:08:28 -0400 From: Matthew Wilcox <matthew.r.wilcox@...el.com> To: linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org Cc: Matthew Wilcox <matthew.r.wilcox@...el.com>, willy@...ux.intel.com Subject: [PATCH v2 6/6] brd: Add support for rw_page Signed-off-by: Matthew Wilcox <matthew.r.wilcox@...el.com> --- 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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