Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965316AbbHDO7E (ORCPT ); Tue, 4 Aug 2015 10:59:04 -0400 Received: from mx2.suse.de ([195.135.220.15]:59114 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932559AbbHDOlp (ORCPT ); Tue, 4 Aug 2015 10:41:45 -0400 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Joe Thornber , Mike Snitzer , Jiri Slaby Subject: [PATCH 3.12 074/123] dm btree: silence lockdep lock inversion in dm_btree_del() Date: Tue, 4 Aug 2015 16:40:18 +0200 Message-Id: <19e650d711203566ce5a6859d029b343447c8242.1438699154.git.jslaby@suse.cz> X-Mailer: git-send-email 2.5.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1295 Lines: 40 From: Joe Thornber 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 1c7518794a3647eb345d59ee52844e8a40405198 upstream. Allocate memory using GFP_NOIO when deleting a btree. dm_btree_del() can be called via an ioctl and we don't want to recurse into the FS or block layer. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer Signed-off-by: Jiri Slaby --- drivers/md/persistent-data/dm-btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 9701d29c94e1..8dad9849649e 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/