Commit ccbbf761 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

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: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarWilliam Kucharski <william.kucharski@oracle.com>
parent 1e84a3d9

mm/truncate.c

+1 −0
Original line number Diff line number Diff line
@@ -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);