dm writecache: remove unused member pointer in writeback_struct

The stucture member pointer page in writeback_struct never has been
used actually. Remove it.

Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 1cb137f0ef9d7f4b265779563273ed82d136eee3..5c7009d716d08b4c747f1d0e9af5f037a67ff23d 100644 (file)
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -190,7 +190,6 @@ struct writeback_struct {
        struct dm_writecache *wc;
        struct wc_entry **wc_list;
        unsigned wc_list_n;
-       struct page *page;
        struct wc_entry *wc_list_inline[WB_LIST_INLINE];
        struct bio bio;
 };