From 6817ef514e1aacee228f6a9fbcdc3a2c49cb6c29 Mon Sep 17 00:00:00 2001 From: "Vishal Moola (Oracle)" Date: Wed, 4 Jan 2023 13:14:28 -0800 Subject: [PATCH] filemap: convert __filemap_fdatawait_range() to use filemap_get_folios_tag() Convert function to use folios. 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/20230104211448.4804-4-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Matthew Wilcow (Oracle) Signed-off-by: Andrew Morton --- mm/filemap.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 291bb3e..85adbcf 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -503,25 +503,27 @@ static void __filemap_fdatawait_range(struct address_space *mapping, { pgoff_t index = start_byte >> PAGE_SHIFT; pgoff_t end = end_byte >> PAGE_SHIFT; - struct pagevec pvec; - int nr_pages; + struct folio_batch fbatch; + unsigned nr_folios; + + folio_batch_init(&fbatch); - pagevec_init(&pvec); while (index <= end) { unsigned i; - nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, - end, PAGECACHE_TAG_WRITEBACK); - if (!nr_pages) + nr_folios = filemap_get_folios_tag(mapping, &index, end, + PAGECACHE_TAG_WRITEBACK, &fbatch); + + if (!nr_folios) break; - for (i = 0; i < nr_pages; i++) { - struct page *page = pvec.pages[i]; + for (i = 0; i < nr_folios; i++) { + struct folio *folio = fbatch.folios[i]; - wait_on_page_writeback(page); - ClearPageError(page); + folio_wait_writeback(folio); + folio_clear_error(folio); } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); } } -- 2.7.4