diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-12-13 22:58:32 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 20:58:30 +0100 |
| commit | bfcd44d5f816b442feb27f59e9312ce38ac4b3cf (patch) | |
| tree | 7abdbfdbce9b1f6c5545fc7ff2dcd553a9afa865 | |
| parent | mm: pass a folio to __swap_writepage() (diff) | |
| download | linux-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>
| -rw-r--r-- | mm/page_io.c | 18 |
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 |