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Message-Id: <20190420162017.6052-1-yehs2007@zoho.com> Date: Sun, 21 Apr 2019 00:20:17 +0800 From: Huaisheng Ye <yehs2007@...o.com> To: mpatocka@...hat.com, snitzer@...hat.com, agk@...hat.com Cc: prarit@...hat.com, chengnt@...ovo.com, dm-devel@...hat.com, linux-kernel@...r.kernel.org, Huaisheng Ye <yehs1@...ovo.com> Subject: [PATCH] dm-writecache: remove unused member page_offset in writeback_struct From: Huaisheng Ye <yehs1@...ovo.com> The structure member page_offset in writeback_struct never has been used actually. Remove it. Signed-off-by: Huaisheng Ye <yehs1@...ovo.com> --- drivers/md/dm-writecache.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index cfbbfbc..ddf1732 100644 --- 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 | -- 1.8.3.1
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