Removes many calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/page_io.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/mm/page_io.c b/mm/page_io.c
index 68318134dc92..2a3e3e0a6497 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -180,29 +180,30 @@ int generic_swapfile_activate(struct swap_info_struct *sis,
*/
int swap_writepage(struct page *page, struct writeback_control *wbc)
{
+ struct folio *folio = page_folio(page);
int ret = 0;
- if (try_to_free_swap(page)) {
- unlock_page(page);
+ if (folio_free_swap(folio)) {
+ folio_unlock(folio);
goto out;
}
/*
* Arch code may have to preserve more data than just the page
* contents, e.g. memory tags.
*/
- ret = arch_prepare_to_swap(page);
+ ret = arch_prepare_to_swap(&folio->page);
if (ret) {
- set_page_dirty(page);
- unlock_page(page);
+ folio_mark_dirty(folio);
+ folio_unlock(folio);
goto out;
}
- if (frontswap_store(page) == 0) {
- set_page_writeback(page);
- unlock_page(page);
- end_page_writeback(page);
+ if (frontswap_store(&folio->page) == 0) {
+ folio_start_writeback(folio);
+ folio_unlock(folio);
+ folio_end_writeback(folio);
goto out;
}
- ret = __swap_writepage(page, wbc, end_swap_bio_write);
+ ret = __swap_writepage(&folio->page, wbc, end_swap_bio_write);
out:
return ret;
}
--
2.35.1
