Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755063AbdCJGCe (ORCPT ); Fri, 10 Mar 2017 01:02:34 -0500 Received: from mx2.suse.de ([195.135.220.15]:44082 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755009AbdCJGCc (ORCPT ); Fri, 10 Mar 2017 01:02:32 -0500 From: NeilBrown To: Jens Axboe Date: Fri, 10 Mar 2017 17:00:47 +1100 Subject: [PATCH 5/5] block_dev: make blkdev_dio_pool a non-rescuing bioset Cc: linux-block@vger.kernel.org, Mike Snitzer , LKML , linux-raid@vger.kernel.org, device-mapper development , Mikulas Patocka , Pavel Machek , Jack Wang , Lars Ellenberg , Kent Overstreet Message-ID: <148912564767.4002.1734839418362310960.stgit@noble> In-Reply-To: <148912539296.4002.219258660543808741.stgit@noble> References: <148912539296.4002.219258660543808741.stgit@noble> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 701 Lines: 22 Allocations from blkdev_dio_pool are never made under generic_make_request, so this bioset does not need a rescuer thread. Signed-off-by: NeilBrown --- fs/block_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index c0ca5f0d0369..2eca00ec4370 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -436,7 +436,7 @@ blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter) static __init int blkdev_init(void) { - blkdev_dio_pool = bioset_create_rescued(4, offsetof(struct blkdev_dio, bio)); + blkdev_dio_pool = bioset_create(4, offsetof(struct blkdev_dio, bio)); if (!blkdev_dio_pool) return -ENOMEM; return 0;