From b05f41a1aa56fd646f2aa048ee446b6a2edb80d3 Mon Sep 17 00:00:00 2001 From: "Vishal Moola (Oracle)" Date: Mon, 5 Sep 2022 14:45:57 -0700 Subject: [PATCH] filemap: convert filemap_range_has_writeback() to use folios Removes 3 calls to compound_head(). Link: https://lkml.kernel.org/r/20220905214557.868606-1-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- mm/filemap.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 68bd70f..aab125d 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -632,22 +632,23 @@ bool filemap_range_has_writeback(struct address_space *mapping, { XA_STATE(xas, &mapping->i_pages, start_byte >> PAGE_SHIFT); pgoff_t max = end_byte >> PAGE_SHIFT; - struct page *page; + struct folio *folio; if (end_byte < start_byte) return false; rcu_read_lock(); - xas_for_each(&xas, page, max) { - if (xas_retry(&xas, page)) + xas_for_each(&xas, folio, max) { + if (xas_retry(&xas, folio)) continue; - if (xa_is_value(page)) + if (xa_is_value(folio)) continue; - if (PageDirty(page) || PageLocked(page) || PageWriteback(page)) + if (folio_test_dirty(folio) || folio_test_locked(folio) || + folio_test_writeback(folio)) break; } rcu_read_unlock(); - return page != NULL; + return folio != NULL; } EXPORT_SYMBOL_GPL(filemap_range_has_writeback); -- 2.7.4