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Subject[PATCH 3/8] pmem: Add support for rw_page()
From: Ross Zwisler <ross.zwisler@linux.intel.com>

Based on commit a72132c31d58 ("brd: add support for rw_page()")

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
---
drivers/block/pmem.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/block/pmem.c b/drivers/block/pmem.c
index bba53af..750ffdf 100644
--- a/drivers/block/pmem.c
+++ b/drivers/block/pmem.c
@@ -101,8 +101,19 @@ out:
bio_endio(bio, err);
}

+static int pmem_rw_page(struct block_device *bdev, sector_t sector,
+ struct page *page, int rw)
+{
+ struct pmem_device *pmem = bdev->bd_disk->private_data;
+
+ pmem_do_bvec(pmem, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ page_endio(page, rw & WRITE, 0);
+ return 0;
+}
+
static const struct block_device_operations pmem_fops = {
.owner = THIS_MODULE,
+ .rw_page = pmem_rw_page,
};

/* Kernel module stuff */
--
1.9.3


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