From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752549AbaHZRZI (ORCPT ); Tue, 26 Aug 2014 13:25:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59355 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751826AbaHZRZG (ORCPT ); Tue, 26 Aug 2014 13:25:06 -0400 From: Jeff Moyer To: Jens Axboe , Joe Lawrence Cc: , Jiri Kosina , Boaz Harrosh Subject: Re: [PATCH v3 0/2] block,scsi: fixup blk_get_request dead queue scenarios References: <1404329718-19367-1-git-send-email-joe.lawrence@stratus.com> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Tue, 26 Aug 2014 13:24:54 -0400 In-Reply-To: <1404329718-19367-1-git-send-email-joe.lawrence@stratus.com> (Joe Lawrence's message of "Wed, 2 Jul 2014 15:35:15 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Joe Lawrence writes: > v2->v3: rebase to 3.16-rc2, consider return values from the > blk_mq_alloc_request leg of the blk_get_request callchain > (noted by Jeff), noted in the second patch changelog. > > blk_mq_queue_enter may return 0 or errno, which > blk_mq_alloc_request can propogate out via ERR_PTR. > __blk_mq_alloc_request doesn't include any blk_queue_dying > checks, so I'm assuming that its failures can be attributed > to -EWOULDBLOCK under !GFP_WAIT conditions. > > v1->v2: incorporate Jeff's feedback in bsg_map_hdr() and Reviewed-by > tags. > > Joe Lawrence (2): > block,scsi: verify return pointer from blk_get_request > block,scsi: fixup blk_get_request dead queue scenarios Jens, Did this patch set fall through the cracks again? Cheers, Jeff