From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 29C0123AD; Mon, 16 Jun 2025 02:46:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750041996; cv=none; b=or7GGf0LYD30Vq71DpmvtHUQLBdJyCMPXIXnqnsQRg0uko8V0GUqdreBTnuhc6toy/1bPPIDJRHUrXdSwzCtwiZ+G2LLqxwJiTYxho2Vck06JqG7JIJldsYPvmVS0/MJxkOMRR3Aw9DTEv6lYZW+hgsKONJggTBDvjyv2T0CvxE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750041996; c=relaxed/simple; bh=wJvmwvSD+YkCIiDpdRJYVYq/38i1xbnya3KSea6L8Ks=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JqTt5JbSzQM/ZhCdhMSTVY+qITYexOr4hr0j5EViz9uB3RPrNwTzv4NTIllk3EM+NnWO83V5mtimfdZg94o4gJYhRVfKgpBqXMHNaDEn6FNf7Vr6zU531JNX+SL67k8HLJ1Bf7LkEj8uOEb34U9znahPfmCJx64sxWJA+/AS1nI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jBZifnpa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jBZifnpa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1616BC4CEE3; Mon, 16 Jun 2025 02:46:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750041995; bh=wJvmwvSD+YkCIiDpdRJYVYq/38i1xbnya3KSea6L8Ks=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=jBZifnpahyggAD0yBiXHQWIESzcdElxHRG7Pd8CHuaSXT/WlWO1jgSkpBI219nYOW XrDyjZ+D+M9La7IGAIgPi4zBizOMtCwv3RymcTK6yOiv4Vj0Ber9Onw+I1a7diaUa6 ThB5l15dj7azaxtSLdoXEbIdbgPVcxcMUKh0G4Kwjpk5RMMxMpvcUlXCM+db0SxvUE Om/fefRbo8JTfLc5fTI19w7BCDDdxa/hW8D0Wr3LZqkndv9R9IIDNwmVi31wnBVzFm G+R8bs5ha1k4jvukR33NzTrtewUs8qPRnLc75ZrJpTdcwRPLCaqYKDxCJtv1p0B2sV /wgB5L/U0GtzQ== Message-ID: <8c17ba4e-98b1-4ac5-8c0d-fb5e1c13f7f2@kernel.org> Date: Mon, 16 Jun 2025 11:46:33 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v2 3/5] block, bfq: switch to use elevator lock To: Yu Kuai , ming.lei@redhat.com, yukuai3@huawei.com, tj@kernel.org, josef@toxicpanda.com, axboe@kernel.dk Cc: linux-block@vger.kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com References: <20250614092528.2352680-1-yukuai1@huaweicloud.com> <20250614092528.2352680-4-yukuai1@huaweicloud.com> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20250614092528.2352680-4-yukuai1@huaweicloud.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/14/25 18:25, Yu Kuai wrote: > From: Yu Kuai > > Convert 'bfqd->lock' to high level 'q->elevator->lock', prepare to support > batch requests dispatching. Same comment as for the previous patch. -- Damien Le Moal Western Digital Research