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().

Link: https://lkml.kernel.org/r/20230104211448.4804-23-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index d921542..41ccd43 100644 (file)
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -358,22 +358,22 @@ repeat:
  */
 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();
        }
 }