linux-ext4 - [PATCH v2 19/23] nilfs2: Convert nilfs_lookup_dirty_node_buffers() to use filemap_get_folios

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Message-Id: <20220912182224.514561-20-vishal.moola@gmail.com>
Date:   Mon, 12 Sep 2022 11:22:20 -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 19/23] nilfs2: Convert nilfs_lookup_dirty_node_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/segment.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index c3f3484c4412..6f2ca279d230 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -737,20 +737,19 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode,
 {
 	struct nilfs_inode_info *ii = NILFS_I(inode);
 	struct inode *btnc_inode = ii->i_assoc_inode;
-	struct pagevec pvec;
+	struct folio_batch fbatch;
 	struct buffer_head *bh, *head;
 	unsigned int i;
 	pgoff_t index = 0;
 
 	if (!btnc_inode)
 		return;
+	folio_batch_init(&fbatch);
 
-	pagevec_init(&pvec);
-
-	while (pagevec_lookup_tag(&pvec, btnc_inode->i_mapping, &index,
-					PAGECACHE_TAG_DIRTY)) {
-		for (i = 0; i < pagevec_count(&pvec); i++) {
-			bh = head = page_buffers(pvec.pages[i]);
+	while (filemap_get_folios_tag(btnc_inode->i_mapping, &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) &&
 						!buffer_async_write(bh)) {
@@ -761,7 +760,7 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode,
 				bh = bh->b_this_page;
 			} while (bh != head);
 		}
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 	}
 }
-- 
2.36.1