mm/page_io: use a folio in __end_swap_bio_write()

Saves two implicit call to compound_head().

Link: https://lkml.kernel.org/r/20230721034451.16412-5-zhangpeng362@huawei.com
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
ZhangPeng 2023-07-21 11:44:45 +08:00 committed by Andrew Morton
parent 6d2790d95d
commit a3ed1e9b63

View File

@ -29,7 +29,7 @@
static void __end_swap_bio_write(struct bio *bio)
{
struct page *page = bio_first_page_all(bio);
struct folio *folio = bio_first_folio_all(bio);
if (bio->bi_status) {
/*
@ -40,13 +40,13 @@ static void __end_swap_bio_write(struct bio *bio)
*
* Also clear PG_reclaim to avoid folio_rotate_reclaimable()
*/
set_page_dirty(page);
folio_mark_dirty(folio);
pr_alert_ratelimited("Write-error on swap-device (%u:%u:%llu)\n",
MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
(unsigned long long)bio->bi_iter.bi_sector);
ClearPageReclaim(page);
folio_clear_reclaim(folio);
}
end_page_writeback(page);
folio_end_writeback(folio);
}
static void end_swap_bio_write(struct bio *bio)