linux-kernel - [PATCH v5 22/23] nilfs2: Convert nilfs_clear_dirty_pages() to use filemap_get_folios

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Message-Id: <20230104211448.4804-23-vishal.moola@gmail.com>
Date:   Wed,  4 Jan 2023 13:14:47 -0800
From:   "Vishal Moola (Oracle)" <vishal.moola@...il.com>
To:     linux-fsdevel@...r.kernel.org
Cc:     linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-btrfs@...r.kernel.org, ceph-devel@...r.kernel.org,
        linux-cifs@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com,
        linux-nilfs@...r.kernel.org, linux-mm@...ck.org,
        "Vishal Moola (Oracle)" <vishal.moola@...il.com>,
        Ryusuke Konishi <konishi.ryusuke@...il.com>
Subject: [PATCH v5 22/23] nilfs2: Convert nilfs_clear_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 2 calls
to compound_head().

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/page.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index d921542a9593..41ccd43cd979 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -358,22 +358,22 @@ void nilfs_copy_back_pages(struct address_space *dmap,
  */
 void nilfs_clear_dirty_pages(struct address_space *mapping, bool silent)
 {
-	struct pagevec pvec;
+	struct folio_batch fbatch;
 	unsigned int i;
 	pgoff_t index = 0;
 
-	pagevec_init(&pvec);
+	folio_batch_init(&fbatch);
 
-	while (pagevec_lookup_tag(&pvec, mapping, &index,
-					PAGECACHE_TAG_DIRTY)) {
-		for (i = 0; i < pagevec_count(&pvec); i++) {
-			struct page *page = pvec.pages[i];
+	while (filemap_get_folios_tag(mapping, &index, (pgoff_t)-1,
+				PAGECACHE_TAG_DIRTY, &fbatch)) {
+		for (i = 0; i < folio_batch_count(&fbatch); i++) {
+			struct folio *folio = fbatch.folios[i];
 
-			lock_page(page);
-			nilfs_clear_dirty_page(page, silent);
-			unlock_page(page);
+			folio_lock(folio);
+			nilfs_clear_dirty_page(&folio->page, silent);
+			folio_unlock(folio);
 		}
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 	}
 }
-- 
2.38.1