From patchwork Mon May 27 08:04:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13674774 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 8700622064; Mon, 27 May 2024 08:04:45 +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=1716797087; cv=none; b=IFEeq00CcdXjvhCW3YPguSkrpFSSag4LXL9S8TgtjpkSGpbN2kmmlaCvqmxcYgZl26OARfoifsLzF8l8idimu8MnIEoSt+TrycsJOcTM1t86nxhGCHOQVcBlfROaLdUuvZO4vUbCFR30iewjQm2fqFhHvFNQhQUu3q2T4ZoIKfk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716797087; c=relaxed/simple; bh=J3Sg4YwTVp/79+lhFzCb8z/RnEN7h9efuinMRpk7Vqg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=apTa8a+AoeazqoacTl27aNsLIpLubl4H+e8fCg0ygTpQc42DE/xIX7aESuaKAFEw1Jm8Sh9emTWG0+NNIk1QH3QYAyjsrINBEkJqUlZDOdcSI+PrbYb7VZrhMWyPLdLkaKOTMiC9REkUuL5Tc1dxyPhHqikw4+A2l77aWCZ6nxE= 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=i0tvWjGW; 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="i0tvWjGW" 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:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=6DkYMyOULdedhk/4nMLsECp+rsvb5FND6u2c2SP/QTA=; b=i0tvWjGWFbbA+DELwkk5tpzf7Q h5xeoeDvZ/TrpL5MXsQ1Eny26mJKJjUK2JLJPN47q8M5ZnbktCxpzLFgJOg8MS677y7jMhbIizWrH ktQlp13I8MmRsDqTJ7xDQsw9jZ8nKG9nmigq+PG97cPdSLXjpiZDnalB1WDLtR3rdfLX4Hf0UEDJA xSVrp57v0bGnhJerydGkMxHqO51CyaA2DTgyWVpWW6SHlY7IbunZUdOtVCEedKodXdusu4I7cy/4e mEJT6oRMv62hJ0Qin7pf8i4VZtxkWXvkmnjULXyyzA1JF6UPABSPPinH5KvFmvrb6JErK2pB/klXm UbQVFjdg==; Received: from 2a02-8389-2341-5b80-3177-e4c1-2108-f294.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:3177:e4c1:2108:f294] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sBVLY-0000000EAj3-1cQr; Mon, 27 May 2024 08:04:44 +0000 From: Christoph Hellwig To: Jens Axboe , Mike Snitzer , Mikulas Patocka Cc: Damien Le Moal , dm-devel@lists.linux.dev, linux-block@vger.kernel.org Subject: [PATCH 2/3] dm: remove dm_check_zoned Date: Mon, 27 May 2024 10:04:25 +0200 Message-ID: <20240527080435.1029612-3-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240527080435.1029612-1-hch@lst.de> References: <20240527080435.1029612-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Fold it into the only caller in preparation to changes in the queue limits setup. Signed-off-by: Christoph Hellwig Reviewed-by: Mike Snitzer Reviewed-by: Johannes Thumshirn --- drivers/md/dm-zone.c | 59 +++++++++++++++++--------------------------- 1 file changed, 23 insertions(+), 36 deletions(-) diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c index 3103360ce7f040..0ee22494857d07 100644 --- a/drivers/md/dm-zone.c +++ b/drivers/md/dm-zone.c @@ -160,37 +160,6 @@ static int dm_check_zoned_cb(struct blk_zone *zone, unsigned int idx, return 0; } -static int dm_check_zoned(struct mapped_device *md, struct dm_table *t) -{ - struct gendisk *disk = md->disk; - unsigned int nr_conv_zones = 0; - int ret; - - /* Count conventional zones */ - md->zone_revalidate_map = t; - ret = dm_blk_report_zones(disk, 0, UINT_MAX, - dm_check_zoned_cb, &nr_conv_zones); - md->zone_revalidate_map = NULL; - if (ret < 0) { - DMERR("Check zoned failed %d", ret); - return ret; - } - - /* - * If we only have conventional zones, expose the mapped device as - * a regular device. - */ - if (nr_conv_zones >= ret) { - disk->queue->limits.max_open_zones = 0; - disk->queue->limits.max_active_zones = 0; - disk->queue->limits.zoned = false; - clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags); - disk->nr_zones = 0; - } - - return 0; -} - /* * Revalidate the zones of a mapped device to initialize resource necessary * for zone append emulation. Note that we cannot simply use the block layer @@ -254,6 +223,8 @@ static bool dm_table_supports_zone_append(struct dm_table *t) int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q) { struct mapped_device *md = t->md; + struct gendisk *disk = md->disk; + unsigned int nr_conv_zones = 0; int ret; /* @@ -272,14 +243,30 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q) return 0; /* - * Check that the mapped device will indeed be zoned, that is, that it - * has sequential write required zones. + * Count conventional zones to check that the mapped device will indeed + * have sequential write required zones. */ - ret = dm_check_zoned(md, t); - if (ret) + md->zone_revalidate_map = t; + ret = dm_blk_report_zones(disk, 0, UINT_MAX, + dm_check_zoned_cb, &nr_conv_zones); + md->zone_revalidate_map = NULL; + if (ret < 0) { + DMERR("Check zoned failed %d", ret); return ret; - if (!blk_queue_is_zoned(q)) + } + + /* + * If we only have conventional zones, expose the mapped device as + * a regular device. + */ + if (nr_conv_zones >= ret) { + disk->queue->limits.max_open_zones = 0; + disk->queue->limits.max_active_zones = 0; + disk->queue->limits.zoned = false; + clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags); + disk->nr_zones = 0; return 0; + } if (!md->disk->nr_zones) { DMINFO("%s using %s zone append",