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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 <yehs1@lenovo.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Huaisheng Ye 2019-04-25 21:31:19 +08:00 committed by Mike Snitzer
parent 81bc6d150a
commit 08a8e80462
1 changed files with 0 additions and 2 deletions
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2
drivers/md/dm-writecache.c
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@ -190,7 +190,6 @@ struct writeback_struct {
struct dm_writecache *wc; struct dm_writecache *wc;
struct wc_entry **wc_list; struct wc_entry **wc_list;
unsigned wc_list_n; unsigned wc_list_n;
unsigned page_offset;
struct page *page; struct page *page;
struct wc_entry *wc_list_inline[WB_LIST_INLINE]; struct wc_entry *wc_list_inline[WB_LIST_INLINE];
struct bio bio; 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->bi_end_io = writecache_writeback_endio;
bio_set_dev(bio, wc->dev->bdev); bio_set_dev(bio, wc->dev->bdev);
bio->bi_iter.bi_sector = read_original_sector(wc, e); bio->bi_iter.bi_sector = read_original_sector(wc, e);
wb->page_offset = PAGE_SIZE;
if (max_pages <= WB_LIST_INLINE || if (max_pages <= WB_LIST_INLINE ||
unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *), unlikely(!(wb->wc_list = kmalloc_array(max_pages, sizeof(struct wc_entry *),
GFP_NOIO | __GFP_NORETRY | GFP_NOIO | __GFP_NORETRY |