dm writecache: remove unused member page_offset in writeback_struct

The stucture member page_offset in writeback_struct never has been used actually. Remove it. Signed-off-by: Huaisheng Ye <[email protected]> Acked-by: Mikulas Patocka <[email protected]> Signed-off-by: Mike Snitzer <[email protected]>
jbg · Apr 26, 2019 · 08a8e80 · 08a8e80
1 parent 81bc6d1
commit 08a8e80
Showing 1 changed file with 0 additions and 2 deletions.
diff --git 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;
-	unsigned page_offset;
 	struct page *page;
 	struct wc_entry *wc_list_inline[WB_LIST_INLINE];
 	struct bio bio;
@@ -1481,7 +1480,6 @@ static void __writecache_writeback_pmem(struct dm_writecache *wc, struct writeba
 		bio->bi_end_io = writecache_writeback_endio;
 		bio_set_dev(bio, wc->dev->bdev);
 		bio->bi_iter.bi_sector = read_original_sector(wc, e);
-		wb->page_offset = PAGE_SIZE;
 		if (max_pages <= WB_LIST_INLINE ||
 		    unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *),
 							   GFP_NOIO | __GFP_NORETRY |