From ccbbf761d440b0d5afcbf232db37435dc38d6161 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Fri, 26 Nov 2021 13:25:38 -0500 Subject: truncate: Skip known-truncated indices If we've truncated an entire folio, we can skip over all the indices covered by this folio. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig Reviewed-by: William Kucharski --- mm/truncate.c | 1 + 1 file changed, 1 insertion(+) (limited to 'mm/truncate.c') diff --git a/mm/truncate.c b/mm/truncate.c index 0000424fc56b..0df420c1cf5b 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -408,6 +408,7 @@ void truncate_inode_pages_range(struct address_space *mapping, folio_wait_writeback(folio); truncate_inode_folio(mapping, folio); folio_unlock(folio); + index = folio_index(folio) + folio_nr_pages(folio) - 1; } truncate_exceptional_pvec_entries(mapping, &pvec, indices); pagevec_release(&pvec); -- cgit