diff options
| author | Akinobu Mita <akinobu.mita@gmail.com> | 2012-11-08 16:12:31 -0800 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-09 14:22:26 +0100 |
| commit | f1d6a328bbe63b528721a25251ad8f5f1e997804 (patch) | |
| tree | fc3a84e75a9c6fbbf749b498c252adb9ca1980c3 /drivers/block/drbd/drbd_bitmap.c | |
| parent | ed635cb0674d6e4303d1a2e27d9e6e80b451a338 (diff) | |
drbd: use copy_highpage
Use copy_highpage() to copy from one page to another.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_bitmap.c')
| -rw-r--r-- | drivers/block/drbd/drbd_bitmap.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 1ab205a4bf69..8dc29502dc08 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -1011,17 +1011,11 @@ 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]; - bio->bi_bdev = mdev->ldev->md_bdev; bio->bi_sector = on_disk_sector; /* bio_add_page of a single page to an empty bio will always succeed, |