From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:45351 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751741AbbGaTh7 (ORCPT ); Fri, 31 Jul 2015 15:37:59 -0400 Subject: Patch "rbd: use GFP_NOIO in rbd_obj_request_create()" has been added to the 3.14-stable tree To: idryomov@gmail.com, elder@linaro.org, gregkh@linuxfoundation.org Cc: , From: Date: Fri, 31 Jul 2015 12:37:56 -0700 Message-ID: <1438371476153126@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled rbd: use GFP_NOIO in rbd_obj_request_create() to the 3.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rbd-use-gfp_noio-in-rbd_obj_request_create.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 5a60e87603c4c533492c515b7f62578189b03c9c Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Wed, 24 Jun 2015 17:24:33 +0300 Subject: rbd: use GFP_NOIO in rbd_obj_request_create() From: Ilya Dryomov commit 5a60e87603c4c533492c515b7f62578189b03c9c upstream. rbd_obj_request_create() is called on the main I/O path, so we need to use GFP_NOIO to make sure allocation doesn't blow back on us. Not all callers need this, but I'm still hardcoding the flag inside rather than making it a parameter because a) this is going to stable, and b) those callers shouldn't really use rbd_obj_request_create() and will be fixed in the future. More memory allocation fixes will follow. Signed-off-by: Ilya Dryomov Reviewed-by: Alex Elder Signed-off-by: Greg Kroah-Hartman --- drivers/block/rbd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -1826,11 +1826,11 @@ static struct rbd_obj_request *rbd_obj_r rbd_assert(obj_request_type_valid(type)); size = strlen(object_name) + 1; - name = kmalloc(size, GFP_KERNEL); + name = kmalloc(size, GFP_NOIO); if (!name) return NULL; - obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_KERNEL); + obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_NOIO); if (!obj_request) { kfree(name); return NULL; Patches currently in stable-queue which might be from idryomov@gmail.com are queue-3.14/crush-fix-a-bug-in-tree-bucket-decode.patch queue-3.14/rbd-use-gfp_noio-in-rbd_obj_request_create.patch