From d4a16d31334e0a1dd948dfb2977f241805fd0e14 Mon Sep 17 00:00:00 2001 From: "Vishal Moola (Oracle)" Date: Wed, 4 Jan 2023 13:14:46 -0800 Subject: [PATCH] nilfs2: convert nilfs_copy_dirty_pages() to use filemap_get_folios_tag() Convert function to use folios throughout. This is in preparation for the removal of find_get_pages_range_tag(). This change removes 8 calls to compound_head(). Link: https://lkml.kernel.org/r/20230104211448.4804-22-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) Acked-by: Ryusuke Konishi Signed-off-by: Andrew Morton --- fs/nilfs2/page.c | 39 ++++++++++++++++++++------------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 39b7eea2..d921542 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -240,42 +240,43 @@ static void nilfs_copy_page(struct page *dst, struct page *src, int copy_dirty) int nilfs_copy_dirty_pages(struct address_space *dmap, struct address_space *smap) { - struct pagevec pvec; + struct folio_batch fbatch; unsigned int i; pgoff_t index = 0; int err = 0; - pagevec_init(&pvec); + folio_batch_init(&fbatch); repeat: - if (!pagevec_lookup_tag(&pvec, smap, &index, PAGECACHE_TAG_DIRTY)) + if (!filemap_get_folios_tag(smap, &index, (pgoff_t)-1, + PAGECACHE_TAG_DIRTY, &fbatch)) return 0; - for (i = 0; i < pagevec_count(&pvec); i++) { - struct page *page = pvec.pages[i], *dpage; + for (i = 0; i < folio_batch_count(&fbatch); i++) { + struct folio *folio = fbatch.folios[i], *dfolio; - lock_page(page); - if (unlikely(!PageDirty(page))) - NILFS_PAGE_BUG(page, "inconsistent dirty state"); + folio_lock(folio); + if (unlikely(!folio_test_dirty(folio))) + NILFS_PAGE_BUG(&folio->page, "inconsistent dirty state"); - dpage = grab_cache_page(dmap, page->index); - if (unlikely(!dpage)) { + dfolio = filemap_grab_folio(dmap, folio->index); + if (unlikely(!dfolio)) { /* No empty page is added to the page cache */ err = -ENOMEM; - unlock_page(page); + folio_unlock(folio); break; } - if (unlikely(!page_has_buffers(page))) - NILFS_PAGE_BUG(page, + if (unlikely(!folio_buffers(folio))) + NILFS_PAGE_BUG(&folio->page, "found empty page in dat page cache"); - nilfs_copy_page(dpage, page, 1); - __set_page_dirty_nobuffers(dpage); + nilfs_copy_page(&dfolio->page, &folio->page, 1); + filemap_dirty_folio(folio_mapping(dfolio), dfolio); - unlock_page(dpage); - put_page(dpage); - unlock_page(page); + folio_unlock(dfolio); + folio_put(dfolio); + folio_unlock(folio); } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); if (likely(!err)) -- 2.7.4