_start) {
@@ -1872,9 +1874,7 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
 	if (err)
 		return err;
 
-	filemap_invalidate_lock(inode->i_mapping);
-	f2fs_zero_post_eof_page(inode, offset + len);
-	filemap_invalidate_unlock(inode->i_mapping);
+	f2fs_zero_post_eof_page(inode, offset + len, true);
 
 	f2fs_balance_fs(sbi, true);
 
@@ -4922,9 +4922,8 @@ static ssize_t f2fs_write_checks(struct kiocb *iocb, struct iov_iter *from)
 	if (err)
 		return err;
 
-	filemap_invalidate_lock(inode->i_mapping);
-	f2fs_zero_post_eof_page(inode, iocb->ki_pos + iov_iter_count(from));
-	filemap_invalidate_unlock(inode->i_mapping);
+	f2fs_zero_post_eof_page(inode,
+		iocb->ki_pos + iov_iter_count(from), true);
 	return count;
 }
 
-- 
2.51.0[PATCH 6.17 369/563] f2fs: fix to mitigate overhead of f2fs_zero_post_eof_page()Greg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefinedšbƒ—U