From patchwork Thu Feb 15 07:03:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1899199 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=HFY2BfiL; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=patchwork.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tb7Dy0PS3z23gM for ; Thu, 15 Feb 2024 19:16:14 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VhaG68od0bhk5SV5quKk2l7wgWTU82BOR6HyOO/f/K0=; b=HFY2BfiLAIVwhQ e7LU2LDZU2iT1mhh80ayUS7AmYjEFKVxk4UjajiZDmami9lM/22e6G5bDtxDhRXVdS57wvf1/mBYR Gq/uw9BWnOt0xbM2UlfhTF2VxfIOTmVVW/StyEZl2Si2o3PZVdTfAew4kMadTL5F0KNHxH3rKPAmg aelIycAaasuOnideZk7CNMgyL/hvpIO3zDKFxAxipOxdXK52iCvUDs4mJFVIqcG8VxexdcZaDfY+F nELvOdw+nMqn28mi/MKsRaUtvgT8i8WbVTSYr7zkAPf/cVzC3q0tc7sstl+1YDim1GI7xJ74utxLw BWAcmee/m3AJvPxrLArw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raWuP-0000000FIqB-2NAJ; Thu, 15 Feb 2024 08:15:53 +0000 Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1raVmk-0000000FAup-2ONv; Thu, 15 Feb 2024 07:03:55 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , Justin Sanders , Denis Efremov , Josef Bacik , Geoff Levand , Ilya Dryomov , "Md. Haris Iqbal" , Jack Wang , Ming Lei , Maxim Levitsky , Alex Dubov , Ulf Hansson , Miquel Raynal , Vignesh Raghavendra , Vineeth Vijayan , linux-block@vger.kernel.org, nbd@other.debian.org, ceph-devel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org Subject: [PATCH 17/17] mmc: pass queue_limits to blk_mq_alloc_disk Date: Thu, 15 Feb 2024 08:03:00 +0100 Message-Id: <20240215070300.2200308-18-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240215070300.2200308-1-hch@lst.de> References: <20240215070300.2200308-1-hch@lst.de> MIME-Version: 1.0 X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Pass the queue limit set at initialization time directly to blk_mq_alloc_disk instead of updating it right after the allocation. This requires refactoring the code a bit so that what was mmc_setup_queue before also allocates the gendisk now and actually sets all limits. Signed-off-by: Christoph Hellwig Tested-by: Geert Uytterhoeven --- drivers/mmc/core/queue.c | 97 +++++++++++++++++++++------------------- 1 file changed, 52 insertions(+), 45 deletions(-) diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 67ad186d132a69..2ae60d208cdf1e 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -174,8 +174,8 @@ static struct scatterlist *mmc_alloc_sg(unsigned short sg_len, gfp_t gfp) return sg; } -static void mmc_queue_setup_discard(struct request_queue *q, - struct mmc_card *card) +static void mmc_queue_setup_discard(struct mmc_card *card, + struct queue_limits *lim) { unsigned max_discard; @@ -183,15 +183,17 @@ static void mmc_queue_setup_discard(struct request_queue *q, if (!max_discard) return; - blk_queue_max_discard_sectors(q, max_discard); - q->limits.discard_granularity = card->pref_erase << 9; - /* granularity must not be greater than max. discard */ - if (card->pref_erase > max_discard) - q->limits.discard_granularity = SECTOR_SIZE; + lim->max_hw_discard_sectors = max_discard; if (mmc_can_secure_erase_trim(card)) - blk_queue_max_secure_erase_sectors(q, max_discard); + lim->max_secure_erase_sectors = max_discard; if (mmc_can_trim(card) && card->erased_byte == 0) - blk_queue_max_write_zeroes_sectors(q, max_discard); + lim->max_write_zeroes_sectors = max_discard; + + /* granularity must not be greater than max. discard */ + if (card->pref_erase > max_discard) + lim->discard_granularity = SECTOR_SIZE; + else + lim->discard_granularity = card->pref_erase << 9; } static unsigned short mmc_get_max_segments(struct mmc_host *host) @@ -341,40 +343,53 @@ static const struct blk_mq_ops mmc_mq_ops = { .timeout = mmc_mq_timed_out, }; -static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card) +static struct gendisk *mmc_alloc_disk(struct mmc_queue *mq, + struct mmc_card *card) { struct mmc_host *host = card->host; - unsigned block_size = 512; + struct queue_limits lim = { }; + struct gendisk *disk; - blk_queue_flag_set(QUEUE_FLAG_NONROT, mq->queue); - blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, mq->queue); if (mmc_can_erase(card)) - mmc_queue_setup_discard(mq->queue, card); + mmc_queue_setup_discard(card, &lim); if (!mmc_dev(host)->dma_mask || !*mmc_dev(host)->dma_mask) - blk_queue_bounce_limit(mq->queue, BLK_BOUNCE_HIGH); - blk_queue_max_hw_sectors(mq->queue, - min(host->max_blk_count, host->max_req_size / 512)); - if (host->can_dma_map_merge) - WARN(!blk_queue_can_use_dma_map_merging(mq->queue, - mmc_dev(host)), - "merging was advertised but not possible"); - blk_queue_max_segments(mq->queue, mmc_get_max_segments(host)); - - if (mmc_card_mmc(card) && card->ext_csd.data_sector_size) { - block_size = card->ext_csd.data_sector_size; - WARN_ON(block_size != 512 && block_size != 4096); - } + lim.bounce = BLK_BOUNCE_HIGH; + + lim.max_hw_sectors = min(host->max_blk_count, host->max_req_size / 512); + + if (mmc_card_mmc(card) && card->ext_csd.data_sector_size) + lim.logical_block_size = card->ext_csd.data_sector_size; + else + lim.logical_block_size = 512; + + WARN_ON_ONCE(lim.logical_block_size != 512 && + lim.logical_block_size != 4096); - blk_queue_logical_block_size(mq->queue, block_size); /* - * After blk_queue_can_use_dma_map_merging() was called with succeed, - * since it calls blk_queue_virt_boundary(), the mmc should not call - * both blk_queue_max_segment_size(). + * Setting a virt_boundary implicity sets a max_segment_size, so try + * to set the hardware one here. */ - if (!host->can_dma_map_merge) - blk_queue_max_segment_size(mq->queue, - round_down(host->max_seg_size, block_size)); + if (host->can_dma_map_merge) { + lim.virt_boundary_mask = dma_get_merge_boundary(mmc_dev(host)); + lim.max_segments = MMC_DMA_MAP_MERGE_SEGMENTS; + } else { + lim.max_segment_size = + round_down(host->max_seg_size, lim.logical_block_size); + lim.max_segments = host->max_segs; + } + + disk = blk_mq_alloc_disk(&mq->tag_set, &lim, mq); + if (IS_ERR(disk)) + return disk; + mq->queue = disk->queue; + + if (mmc_host_is_spi(host) && host->use_spi_crc) + blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, mq->queue); + blk_queue_rq_timeout(mq->queue, 60 * HZ); + + blk_queue_flag_set(QUEUE_FLAG_NONROT, mq->queue); + blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, mq->queue); dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue)); @@ -386,6 +401,7 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card) init_waitqueue_head(&mq->wait); mmc_crypto_setup_queue(mq->queue, host); + return disk; } static inline bool mmc_merge_capable(struct mmc_host *host) @@ -447,18 +463,9 @@ struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card) return ERR_PTR(ret); - disk = blk_mq_alloc_disk(&mq->tag_set, NULL, mq); - if (IS_ERR(disk)) { + disk = mmc_alloc_disk(mq, card); + if (IS_ERR(disk)) blk_mq_free_tag_set(&mq->tag_set); - return disk; - } - mq->queue = disk->queue; - - if (mmc_host_is_spi(host) && host->use_spi_crc) - blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, mq->queue); - blk_queue_rq_timeout(mq->queue, 60 * HZ); - - mmc_setup_queue(mq, card); return disk; }