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From:   "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
To:     linux-fsdevel@vger.kernel.org
Cc:     linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org,
        linux-cifs@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com,
        linux-nilfs@vger.kernel.org, linux-mm@kvack.org,
        "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
Subject: [PATCH v2 13/23] f2fs: Convert f2fs_sync_node_pages() to use filemap_get_folios_tag()
Date:   Mon, 12 Sep 2022 11:22:14 -0700
Message-Id: <20220912182224.514561-14-vishal.moola@gmail.com>
In-Reply-To: <20220912182224.514561-1-vishal.moola@gmail.com>
References: <20220912182224.514561-1-vishal.moola@gmail.com>
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Convert function to use folios. This is in preparation for the removal
of find_get_pages_range_tag(). Does NOT support large folios.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
 fs/f2fs/node.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c2b54c58392a..cf8665f04c0d 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1933,23 +1933,24 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
 				bool do_balance, enum iostat_type io_type)
 {
 	pgoff_t index;
-	struct pagevec pvec;
+	struct folio_batch fbatch;
 	int step = 0;
 	int nwritten = 0;
 	int ret = 0;
-	int nr_pages, done = 0;
+	int nr_folios, done = 0;
 
-	pagevec_init(&pvec);
+	folio_batch_init(&fbatch);
 
 next_step:
 	index = 0;
 
-	while (!done && (nr_pages = pagevec_lookup_tag(&pvec,
-			NODE_MAPPING(sbi), &index, PAGECACHE_TAG_DIRTY))) {
+	while (!done && (nr_folios = filemap_get_folios_tag(NODE_MAPPING(sbi),
+				&index, (pgoff_t)-1, PAGECACHE_TAG_DIRTY,
+				&fbatch))) {
 		int i;
 
-		for (i = 0; i < nr_pages; i++) {
-			struct page *page = pvec.pages[i];
+		for (i = 0; i < nr_folios; i++) {
+			struct page *page = &fbatch.folios[i]->page;
 			bool submitted = false;
 
 			/* give a priority to WB_SYNC threads */
@@ -2024,7 +2025,7 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
 			if (--wbc->nr_to_write == 0)
 				break;
 		}
-		pagevec_release(&pvec);
+		folio_batch_release(&fbatch);
 		cond_resched();
 
 		if (wbc->nr_to_write == 0) {
-- 
2.36.1