linux-ext4 - [PATCH v2 20/23] nilfs2: Convert nilfs_btree_lookup_dirty_buffers() to use filemap_get_folios

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Date:   Mon, 12 Sep 2022 11:22:21 -0700
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 v2 20/23] nilfs2: Convert nilfs_btree_lookup_dirty_buffers() 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().

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/btree.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 9f4d9432d38a..1e26f32a4e36 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -2143,7 +2143,7 @@ static void nilfs_btree_lookup_dirty_buffers(struct nilfs_bmap *btree,
 	struct inode *btnc_inode = NILFS_BMAP_I(btree)->i_assoc_inode;
 	struct address_space *btcache = btnc_inode->i_mapping;
 	struct list_head lists[NILFS_BTREE_LEVEL_MAX];
-	struct pagevec pvec;
+	struct folio_batch fbatch;
 	struct buffer_head *bh, *head;
 	pgoff_t index = 0;
 	int level, i;
@@ -2153,19 +2153,19 @@ static void nilfs_btree_lookup_dirty_buffers(struct nilfs_bmap *btree,
 	     level++)
 		INIT_LIST_HEAD(&lists[level]);
 
-	pagevec_init(&pvec);
+	folio_batch_init(&fbatch);
 
-	while (pagevec_lookup_tag(&pvec, btcache, &index,
-					PAGECACHE_TAG_DIRTY)) {
-		for (i = 0; i < pagevec_count(&pvec); i++) {
-			bh = head = page_buffers(pvec.pages[i]);
+	while (filemap_get_folios_tag(btcache, &index, (pgoff_t)-1,
+				PAGECACHE_TAG_DIRTY, &fbatch)) {
+		for (i = 0; i < folio_batch_count(&fbatch); i++) {
+			bh = head = folio_buffers(fbatch.folios[i]);
 			do {
 				if (buffer_dirty(bh))
 					nilfs_btree_add_dirty_buffer(btree,
 								     lists, bh);
 			} while ((bh = bh->b_this_page) != head);
 		}
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 	}
 
-- 
2.36.1