From patchwork Wed May 22 07:46:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sukrit.Bhatnagar@sony.com" X-Patchwork-Id: 13670527 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA1B0C25B77 for ; Wed, 22 May 2024 07:42:59 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D567B6B009E; Wed, 22 May 2024 03:42:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CDEDC6B009F; Wed, 22 May 2024 03:42:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B344D6B00A0; Wed, 22 May 2024 03:42:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 8AEA96B009E for ; Wed, 22 May 2024 03:42:58 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 46BC61206F6 for ; Wed, 22 May 2024 07:42:58 +0000 (UTC) X-FDA: 82145240436.26.CCA1A11 Received: from jpms-ob02.noc.sony.co.jp (jpms-ob02.noc.sony.co.jp [211.125.140.165]) by imf10.hostedemail.com (Postfix) with ESMTP id 25714C0020 for ; Wed, 22 May 2024 07:42:55 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=sony.com header.s=s1jp header.b=B5M674OS; spf=pass (imf10.hostedemail.com: domain of Sukrit.Bhatnagar@sony.com designates 211.125.140.165 as permitted sender) smtp.mailfrom=Sukrit.Bhatnagar@sony.com; dmarc=pass (policy=none) header.from=sony.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716363776; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=tcuh+p5nJoghdQBJL3ji43C7DQTD/lzlQqzzKUPARXQ=; b=MgO5J0cONyHiwYyVLlUIuTKNvUSvHriwYhVKYrIl6Ua7kbPIwxD0z04PvnLuvfAZVYqkp9 rm3+vKeUSZtE8osFXKlqgrQ9Idf4wH+QKHJQA714z2C15tcTWfIV6pmkgIFkcBOyBe0VUV KoqeM+g3DBoIhOm7CqQYHjzWGUGPNS0= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=sony.com header.s=s1jp header.b=B5M674OS; spf=pass (imf10.hostedemail.com: domain of Sukrit.Bhatnagar@sony.com designates 211.125.140.165 as permitted sender) smtp.mailfrom=Sukrit.Bhatnagar@sony.com; dmarc=pass (policy=none) header.from=sony.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1716363776; a=rsa-sha256; cv=none; b=Pg3w1WpvALNUsYfeX08mDLH69vsjYt0tOy1T9RV3fmG9uzCpvDey8BDzteuOPxNzJzT7wv UgkwxRPPsn2xJJycmpFcMerIptg8OxD66ZJKSir12G7rP6BiFBVPDq+NJzEM3RhWX7+yV8 dr0q6HC9Y3nhZxGdxYqm16iSM+144XE= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sony.com; s=s1jp; t=1716363777; x=1747899777; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tcuh+p5nJoghdQBJL3ji43C7DQTD/lzlQqzzKUPARXQ=; b=B5M674OSWzzyequ+qhlEXgxh2V+58YVZcc/ZqIyn62utm7ZtQpi6ukKt cENSjo0QAtA9z29yIANwDlTEnPr8UjbzGqzHvYyqn5np1nnDC1BUNmj6o +LReVdR0CSDbZ5e9/rPBlAg316exvX7cAmO9C1AE+C8qE9b6k5OMaXOVb ibfdsdbDPpEH3kbKt1CKbzOYsq0PeihuEKObbf1d/01E2JO4evA/6TP18 8yWFQJ0OCqbJkZgPe7qI2AnMQJVW+eq1LUlAMTCxmnB7fEUFVSiUK131T xrlPGJWGdp/g4kBEOCzDC+qAG6HDxWt+iPx6SgaFaxmX8qlRmwigu2ZSg Q==; Received: from unknown (HELO jpmta-ob1.noc.sony.co.jp) ([IPv6:2001:cf8:0:6e7::6]) by jpms-ob02.noc.sony.co.jp with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2024 16:42:51 +0900 X-IronPort-AV: E=Sophos;i="6.08,179,1712588400"; d="scan'208";a="415026697" Received: from unknown (HELO OptiPlex-7080..) ([IPv6:2001:cf8:1:5f1:0:dddd:6fe5:f4d0]) by jpmta-ob1.noc.sony.co.jp with ESMTP; 22 May 2024 16:42:51 +0900 From: Sukrit Bhatnagar To: "Rafael J. Wysocki" , Pavel Machek , Christian Brauner , "Darrick J. Wong" , Andrew Morton Cc: linux-xfs@vger.kernel.org, linux-pm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Sukrit.Bhatnagar@sony.com Subject: [PATCH 2/2] mm: swap: print starting physical block offset in swapon Date: Wed, 22 May 2024 16:46:58 +0900 Message-Id: <20240522074658.2420468-3-Sukrit.Bhatnagar@sony.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240522074658.2420468-1-Sukrit.Bhatnagar@sony.com> References: <20240522074658.2420468-1-Sukrit.Bhatnagar@sony.com> MIME-Version: 1.0 X-Stat-Signature: 85fassia81ozuu6xrbb4prdfahdkdyoh X-Rspamd-Queue-Id: 25714C0020 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1716363775-116563 X-HE-Meta: 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 VpzDBWZK 9kTtpo1/ONKrDT97dZRrOlsLYjWazLUTdO8K2GUIAwIyA5OMGl5RCk4+bhtT6sU11aAuznttumU6Q5jFqotaat6lsCAxAL7WLbZsiNPRImHVx3hurSH9dLEWMgkiLHoYv9VCSQEDI9NGdOvWX0OtDe86g4OAFM8aWEmh9xSaDzZWVG5FKHUv2ljMtS0VodZGN5AKpXDzTxZysNmWxdcN7pD1qrg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: When a swapfile is created for hibernation purposes, we always need the starting physical block offset, which is usually determined using userspace commands such as filefrag. It would be good to have that value printed when we do swapon and get that value directly from dmesg. Signed-off-by: Sukrit Bhatnagar --- mm/swapfile.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index f6ca215fb92f..53c9187d5fbe 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3264,8 +3264,9 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) (swap_flags & SWAP_FLAG_PRIO_MASK) >> SWAP_FLAG_PRIO_SHIFT; enable_swap_info(p, prio, swap_map, cluster_info); - pr_info("Adding %uk swap on %s. Priority:%d extents:%d across:%lluk %s%s%s%s\n", + pr_info("Adding %uk swap on %s. Priority:%d extents:%d start:%llu across:%lluk %s%s%s%s\n", K(p->pages), name->name, p->prio, nr_extents, + (unsigned long long)first_se(p)->start_block, K((unsigned long long)span), (p->flags & SWP_SOLIDSTATE) ? "SS" : "", (p->flags & SWP_DISCARDABLE) ? "D" : "",