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Code Issues Releases Wiki Activity

mm: pass a folio to swap_writepage_bdev_async() 

Saves a call to compound_head().

Link: https://lkml.kernel.org/r/20231213215842.671461-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-12-13 21:58:34 +00:00 committed by Andrew Morton
parent 6de62c7bc4
commit ee1b1d9b46
1 changed files with 4 additions and 5 deletions
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9
mm/page_io.c
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@ -347,18 +347,17 @@ static void swap_writepage_bdev_sync(struct folio *folio,
__end_swap_bio_write(&bio);
}
static void swap_writepage_bdev_async(struct page *page,
static void swap_writepage_bdev_async(struct folio *folio,
struct writeback_control *wbc, struct swap_info_struct *sis)
{
struct bio *bio;
struct folio *folio = page_folio(page);
bio = bio_alloc(sis->bdev, 1,
REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc),
GFP_NOIO);
bio->bi_iter.bi_sector = swap_page_sector(page);
bio->bi_iter.bi_sector = swap_page_sector(&folio->page);
bio->bi_end_io = end_swap_bio_write;
__bio_add_page(bio, page, thp_size(page), 0);
bio_add_folio_nofail(bio, folio, folio_size(folio), 0);
bio_associate_blkg_from_page(bio, folio);
count_swpout_vm_event(folio);
@ -382,7 +381,7 @@ void __swap_writepage(struct folio *folio, struct writeback_control *wbc)
else if (sis->flags & SWP_SYNCHRONOUS_IO)
swap_writepage_bdev_sync(folio, wbc, sis);
else
swap_writepage_bdev_async(&folio->page, wbc, sis);
swap_writepage_bdev_async(folio, wbc, sis);
}
void swap_write_unplug(struct swap_iocb *sio)