From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1326194A54; Mon, 6 Jan 2025 10:06:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736158012; cv=none; b=NbVUJiBNo9pHeEhPqiTQKuFqtX/Ywmg4I0C9ZL/SnxEZs34fUDO72wkHF4BLh4nqtoXnPTkPkgNOMmN54T1drDiOZItikW8+SVwF+ozErcJ2+c4Ti3spby8yIEQji0Gl3N7mUj8ZMg/TsQ5INYXOiftTMXfq7H7EHs65gLI/aig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736158012; c=relaxed/simple; bh=VRWKnkpDnU051nSa7S/u5wGbyDZrFZQvHWEmGQOBNRY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gta4XuZttQanoJLQS8Cx3QNu6PReN8ed8/UnQXk1ikVm8nHUJq+K6jeFSgQksBqaHrR2L5xNAoIR1X/DAvyi1QBLH1V5g9zfsTsat+xS40WVcXeLhj0iePOngiPrdzogdhkDqiOnZmXZE9SDuqrc1n0CaQBGW0kHE3O2OfFAfOY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=0ldKwdTX; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="0ldKwdTX" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=qZv24j8F2g6J/b5MqylaQJhK6N+YiXOrkM+eWYXeu38=; b=0ldKwdTXZjuczKSHo2ZL81ck+h e08haCOSnDmHlurRMkdRyblunbazBLz9PQ6ZdFZ7uYFPi2j0fYmmYVyDvMpxLOLpslO93wbaldpeD fVN6ho0ETzSApJqqE52/t2hojI+u7nmX/6QIx+9PCRxUoi2AGi+gDuSAr/gViPRfsr51f0P7RUEkp fL+E1dxAJRi14P7fNmDsMsO9EoEhFCOjLhAcoWkbPc6Np6de0MdiHu5Ot8eSqidE622pATCOVq0F4 wfssdJBtSrNCMVuLnPO1IJ15mw0nx36hdxoznQ3iUiAkjcoPBT0e6eOFMcdP+yGnDURC0WgP5zQU4 int8xt4g==; Received: from 2a02-8389-2341-5b80-db6b-99e8-3feb-3b4e.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:db6b:99e8:3feb:3b4e] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tUk0W-00000000nNn-0ZWj; Mon, 06 Jan 2025 10:06:48 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Damien Le Moal , Ming Lei , Nilay Shroff , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, nbd@other.debian.org, virtualization@lists.linux.dev, linux-scsi@vger.kernel.org, usb-storage@lists.one-eyed-alien.net Subject: RFC: fix queue freeze and limit locking order (alt take) Date: Mon, 6 Jan 2025 11:06:13 +0100 Message-ID: <20250106100645.850445-1-hch@lst.de> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Hi all, this is my version of Damien's "Fix queue freeze and limit locking order". A lot looks very similar, but it was done independently based on the previous discussion. The changelogs are very sparse as the moment as I started it before the holidays and just finished it enough to send it out as a RFC today. Diffstat: block/blk-core.c | 14 +++- block/blk-integrity.c | 4 - block/blk-mq.c | 19 ------ block/blk-mq.h | 6 + block/blk-settings.c | 27 ++++++++ block/blk-sysfs.c | 128 +++++++++++++++++++---------------------- block/blk-zoned.c | 7 -- drivers/block/loop.c | 7 ++ drivers/block/nbd.c | 17 ----- drivers/block/virtio_blk.c | 4 - drivers/nvme/host/core.c | 9 +- drivers/scsi/sd.c | 17 +---- drivers/scsi/sr.c | 5 - drivers/usb/storage/scsiglue.c | 5 - include/linux/blkdev.h | 5 - 15 files changed, 133 insertions(+), 141 deletions(-)