From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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.lore.kernel.org (Postfix) with ESMTPS id 0A188CF9C6C for ; Sun, 22 Sep 2024 10:56:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=RdAknJL0N4MfFq2ZIichp4a5zzuLXUqfhxmcuM4H8AM=; b=XA4algYzEa3yLizqJZGJDihnf/ weBdGlSbPb6U46x2LFCCJoxn2KiUhSlGfKeMAQYPvwEdNf0SQACZlUkQ2Gkl8JY2wl1FBDyC93NnA nYZNJ8/HnvZ+pRH9xoj7Dhyzf3pWPLeGA47AsMJLV188cvRKPRNidEN4eiUO4Zg6IdDjvKQmCvSjF JcLSZCxc+BLcFruiQ9p002EszCsbM9bqZqlyG3i9WE84f+RwI12X4NHXQELnYlxrscGRApBTqKoCo puyKO/eB6gBbo5wDayK4gKexNrIu70/sjzPPY4XsHcn+3mVegT503sk638FfhzAwtJD2Gpd8W8vgB hFd18Egw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1ssKGU-0000000F1Gl-1nFy; Sun, 22 Sep 2024 10:56:30 +0000 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1ssKGR-0000000F1GN-3CdL for linux-nvme@lists.infradead.org; Sun, 22 Sep 2024 10:56:29 +0000 Received: by mail-pf1-x42c.google.com with SMTP id d2e1a72fcca58-718e6299191so1783830b3a.2 for ; Sun, 22 Sep 2024 03:56:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727002586; x=1727607386; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=RdAknJL0N4MfFq2ZIichp4a5zzuLXUqfhxmcuM4H8AM=; b=AODm9URJT8tSsGZBa9x+qelN3Njw2re2TBTzuyDff8lDjI44OCpQ312oM9GIt7u82L aQvYLHZXAW/p3IwneKjs1HRFwoxqGHaYhLl18yfICbtA8prjnuBTSgJNTiKCbXQmYDoB sjmqKW0PxwZBnKLQCKE2xxFDwy0iobGQrDeFrle/p4W4Wessj25JgJqOYFYGuVXCJ0q5 RGkjIDxkRYHhpKGcoSaecq9m0idm5OO2eiSzPqdQ7vgVU1deKWGBG7CANK6l+4xpg1C8 6RuwNC2UhtF9YoflqY8At5ft3aAV7ke2d8HAG/hDrz9mAqdPwqqLmGm8ToZunT4S7BlU qJow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727002586; x=1727607386; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=RdAknJL0N4MfFq2ZIichp4a5zzuLXUqfhxmcuM4H8AM=; b=CKfxBOPUeNfpiNWB5g54u5pV3somJOpYr9nje1rl+4/mLOO+QXyztXmqB4Ps0Um62Q oBS8iYugSwsB6IVcuH+BZCt8MZ6NizDX07l8o+OZ26D0a6ml9Sf2U0yhLiWZ/IXRT5l2 Ywvwje2aHiTULsDtcfkeGjohVJ++Df9F8nmXOn9bdb1N1PWqOjqaJFw9tGWp1/mC8BR9 lukJBkHLGI0JGnM+NFUtmVJwFSh2y05rGR3P6iTTe+AQDhS37T3zvylHJxrp0Hpg8AN/ 40QxKMuD2/DJYK0O29BISWAPa1L7p+PHx3XGE4wJMNZvkXvkZTkA/7xZJ10q+wcdLDhY rp7A== X-Gm-Message-State: AOJu0YyMsS/jCH2Bvp3HjI1pQc+a6jFnbQ+IzkRgSaToAdsd5VVMLw0j KWjoF24aUX5UTVr0kgsgAu5MofIW6qUIRze9RQWyhGrcDIF7cV5wQF02BA== X-Google-Smtp-Source: AGHT+IHsTl1kicqBAMhMhICK7oZLibxKisyGqubvqzKYnrwW0j8Uf7xBTMDiWXCPChjp4Fa9WEFayQ== X-Received: by 2002:a05:6a00:3d4c:b0:719:8f48:ff01 with SMTP id d2e1a72fcca58-7199cd62dbcmr11976093b3a.6.1727002586238; Sun, 22 Sep 2024 03:56:26 -0700 (PDT) Received: from tokunori-desktop.flets-east.jp ([240b:10:2720:5500:16d6:f5c2:eee9:3f4f]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71977315b07sm8061589b3a.37.2024.09.22.03.56.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Sep 2024 03:56:25 -0700 (PDT) From: Tokunori Ikegami To: linux-nvme@lists.infradead.org Cc: Tokunori Ikegami Subject: [PATCH] nvme-sysfs: add 'lba_shift' ns attribute Date: Sun, 22 Sep 2024 19:55:42 +0900 Message-ID: <20240922105621.4642-1-ikegami.t@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240922_035627_824996_3CFA82E5 X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org This is to reduce the identify commands to get the information. Signed-off-by: Tokunori Ikegami --- drivers/nvme/host/sysfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c index 945b7fe11373..467049334f23 100644 --- a/drivers/nvme/host/sysfs.c +++ b/drivers/nvme/host/sysfs.c @@ -176,6 +176,13 @@ static ssize_t csi_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(csi); +static ssize_t lba_shift_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "%u\n", dev_to_ns_head(dev)->lba_shift); +} +static DEVICE_ATTR_RO(lba_shift); + static ssize_t metadata_bytes_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -259,6 +266,7 @@ static struct attribute *nvme_ns_attrs[] = { &dev_attr_eui.attr, &dev_attr_csi.attr, &dev_attr_nsid.attr, + &dev_attr_lba_shift.attr, &dev_attr_metadata_bytes.attr, &dev_attr_nuse.attr, &dev_attr_lbaf_index.attr, -- 2.43.0