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Subject[PATCH] drbd: use copy_highpage
Date
Use copy_highpage() to copy from one page to another.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: drbd-dev@lists.linbit.com
---
drivers/block/drbd/drbd_bitmap.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index d4d3c81..ec7f76c 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -975,13 +975,8 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must
bm_set_page_unchanged(b->bm_pages[page_nr]);

if (ctx->flags & BM_AIO_COPY_PAGES) {
- void *src, *dest;
page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_WAIT);
- dest = kmap_atomic(page);
- src = kmap_atomic(b->bm_pages[page_nr]);
- memcpy(dest, src, PAGE_SIZE);
- kunmap_atomic(src);
- kunmap_atomic(dest);
+ copy_highpage(page, b->bm_pages[page_nr]);
bm_store_page_idx(page, page_nr);
} else
page = b->bm_pages[page_nr];
--
1.7.11.4


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