From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40656 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751228AbcCDBmm (ORCPT ); Thu, 3 Mar 2016 20:42:42 -0500 Subject: Patch "block: Initialize max_dev_sectors to 0" has been added to the 4.4-stable tree To: keith.busch@intel.com, axboe@fb.com, gregkh@linuxfoundation.org, hch@lst.de, martin.petersen@oracle.com, sagig@mellanox.com Cc: , From: Date: Thu, 03 Mar 2016 17:42:41 -0800 Message-ID: <145705576111392@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 block: Initialize max_dev_sectors to 0 to the 4.4-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: block-initialize-max_dev_sectors-to-0.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 5f009d3f8e6685fe8c6215082c1696a08b411220 Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Wed, 10 Feb 2016 16:52:47 -0700 Subject: block: Initialize max_dev_sectors to 0 From: Keith Busch commit 5f009d3f8e6685fe8c6215082c1696a08b411220 upstream. The new queue limit is not used by the majority of block drivers, and should be initialized to 0 for the driver's requested settings to be used. Signed-off-by: Keith Busch Acked-by: Martin K. Petersen Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- block/blk-settings.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -91,8 +91,8 @@ void blk_set_default_limits(struct queue lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; - lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = - BLK_SAFE_MAX_SECTORS; + lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; + lim->max_dev_sectors = 0; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0; Patches currently in stable-queue which might be from keith.busch@intel.com are queue-4.4/block-initialize-max_dev_sectors-to-0.patch