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mm/page_io: use a folio in sio_read_complete() 

Saves one implicit call to compound_head().

Link: https://lkml.kernel.org/r/20230721034451.16412-7-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 11:44:47 +08:00 committed by Andrew Morton
parent bc74b53f29
commit 6a8c068774
1 changed files with 5 additions and 5 deletions
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10
mm/page_io.c
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@ -403,17 +403,17 @@ static void sio_read_complete(struct kiocb *iocb, long ret)
if (ret == sio->len) {
for (p = 0; p < sio->pages; p++) {
struct page *page = sio->bvec[p].bv_page;
struct folio *folio = page_folio(sio->bvec[p].bv_page);
SetPageUptodate(page);
unlock_page(page);
folio_mark_uptodate(folio);
folio_unlock(folio);
}
count_vm_events(PSWPIN, sio->pages);
} else {
for (p = 0; p < sio->pages; p++) {
struct page *page = sio->bvec[p].bv_page;
struct folio *folio = page_folio(sio->bvec[p].bv_page);
unlock_page(page);
folio_unlock(folio);
}
pr_alert_ratelimited("Read-error on swap-device\n");
}