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authorMatthew Wilcox (Oracle) <willy@infradead.org>2023-12-13 22:58:32 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-12-29 20:58:30 +0100
commitbfcd44d5f816b442feb27f59e9312ce38ac4b3cf (patch)
tree7abdbfdbce9b1f6c5545fc7ff2dcd553a9afa865 /mm/page_io.c
parentmm: pass a folio to __swap_writepage() (diff)
downloadlinux-bfcd44d5f816b442feb27f59e9312ce38ac4b3cf.tar.xz
linux-bfcd44d5f816b442feb27f59e9312ce38ac4b3cf.zip
mm: pass a folio to swap_writepage_fs()
Saves several calls to compound_head(). Link: https://lkml.kernel.org/r/20231213215842.671461-4-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--mm/page_io.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index e0d59f36b70b..7f67d8e2ed9a 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -288,16 +288,16 @@ static void sio_write_complete(struct kiocb *iocb, long ret)
mempool_free(sio, sio_pool);
}
-static void swap_writepage_fs(struct page *page, struct writeback_control *wbc)
+static void swap_writepage_fs(struct folio *folio, struct writeback_control *wbc)
{
struct swap_iocb *sio = NULL;
- struct swap_info_struct *sis = page_swap_info(page);
+ struct swap_info_struct *sis = swp_swap_info(folio->swap);
struct file *swap_file = sis->swap_file;
- loff_t pos = page_file_offset(page);
+ loff_t pos = folio_file_pos(folio);
- count_swpout_vm_event(page_folio(page));
- set_page_writeback(page);
- unlock_page(page);
+ count_swpout_vm_event(folio);
+ folio_start_writeback(folio);
+ folio_unlock(folio);
if (wbc->swap_plug)
sio = *wbc->swap_plug;
if (sio) {
@@ -315,8 +315,8 @@ static void swap_writepage_fs(struct page *page, struct writeback_control *wbc)
sio->pages = 0;
sio->len = 0;
}
- bvec_set_page(&sio->bvec[sio->pages], page, thp_size(page), 0);
- sio->len += thp_size(page);
+ bvec_set_folio(&sio->bvec[sio->pages], folio, folio_size(folio), 0);
+ sio->len += folio_size(folio);
sio->pages += 1;
if (sio->pages == ARRAY_SIZE(sio->bvec) || !wbc->swap_plug) {
swap_write_unplug(sio);
@@ -379,7 +379,7 @@ void __swap_writepage(struct folio *folio, struct writeback_control *wbc)
* is safe.
*/
if (data_race(sis->flags & SWP_FS_OPS))
- swap_writepage_fs(&folio->page, wbc);
+ swap_writepage_fs(folio, wbc);
else if (sis->flags & SWP_SYNCHRONOUS_IO)
swap_writepage_bdev_sync(&folio->page, wbc, sis);
else