[RFC 2/9] prd: add support for rw_page()
From: Boaz Harrosh <hidden>
Date: 2014-08-13 12:11:38
Also in:
linux-fsdevel
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
From: Ross Zwisler <redacted> Based on commit a72132c31d58 brd: add support for rw_page() Signed-off-by: Ross Zwisler <redacted> --- drivers/block/prd.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/block/prd.c b/drivers/block/prd.c
index 7684197..4cfc4f8 100644
--- a/drivers/block/prd.c
+++ b/drivers/block/prd.c@@ -185,6 +185,16 @@ out: bio_endio(bio, err); } +static int prd_rw_page(struct block_device *bdev, sector_t sector, + struct page *page, int rw) +{ + struct prd_device *prd = bdev->bd_disk->private_data; + + prd_do_bvec(prd, page, PAGE_CACHE_SIZE, 0, rw, sector); + page_endio(page, rw & WRITE, 0); + return 0; +} + static long prd_direct_access(struct block_device *bdev, sector_t sector, void **kaddr, unsigned long *pfn, long size) {
@@ -201,6 +211,7 @@ static long prd_direct_access(struct block_device *bdev, sector_t sector, static const struct block_device_operations prd_fops = { .owner = THIS_MODULE, + .rw_page = prd_rw_page, .direct_access = prd_direct_access, };
--
1.9.3
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