From patchwork Mon Nov 4 01:44:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Zhang X-Patchwork-Id: 13860779 Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1355817DFE0; Mon, 4 Nov 2024 01:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730684708; cv=none; b=h2aXuV13mGPzkle/sIEjESWo5bdPde+nkAW5G8fBKrXq3iDoDMz/NYjFZcadPGEz4XVxx1Wxhc5tFKE/XuzzPwkLTToj7icFAXixMOTPG4SP6xeyo2Y/xopIztAUnRe6SHiNxXsWfntWHZobuRvVbbBHEQPw8QoTP2Lha7YqyO0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730684708; c=relaxed/simple; bh=arn1OCDxZaEgplRAT40oLAkueks9sPLIJ/HqWldOUNU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UxAv20pAC2QvptNaC9QfhngPQPx0hImErXBaMLl/PUw8Jc9VQUJSnwaEQkRrs2PzvMXQeAW7ZOsx6dbhRhwAo9TFl8vdPTGoVqvAVM41NXnaOiCUN8dd3ZirllUwOXBChR0y8i/IFnyd/8noWlQG2CF7bH40wlB7bfG6qnDL+L4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=M0a8enp1; arc=none smtp.client-ip=209.85.210.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="M0a8enp1" Received: by mail-pf1-f171.google.com with SMTP id d2e1a72fcca58-720c2db824eso3356068b3a.0; Sun, 03 Nov 2024 17:45:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1730684706; x=1731289506; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=fbk9rhQrosmAxwMrd6YDiXdQG9wegdoaNo70H/pX0VM=; b=M0a8enp1Jdh27FUwPssytq4iTENGPqitKsTwOeT3yfmBw5d+OyUgi5CnsRIn6q7J7G 5UljHZj4+wet47kbEdeN8FPLM38fFe3ued7/0VCCMauRjabuFCtA6pBgxTzujcSEMbHy OFm0ywyol4wBsRzin4lNDTopvKDwcx/xrLbO1D+5AFYivqOusCvAnsartAJBGX+MOxoE k/vo6SUuIe9NcJqE8rQZJyFGz7azqafUa7SeN5k1kmP96GCUf7DwVQxUVfBFR7njlnQY GsFbbf8LJTONYBat1MT+90rgqpy/JntxF6JjlgVPs2Z6AeaiE6qxuJw8zHo/esh2giMx lqMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730684706; x=1731289506; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=fbk9rhQrosmAxwMrd6YDiXdQG9wegdoaNo70H/pX0VM=; b=GEZiAHuk8wLKaLItp5MAtRqxcMfqTAt7JjROMdxYAN03mHji8W8/jGo1I4q7Eqdyss EcSePtSlbyK8Sq0oiJP2LZ9k/1XsOWkF+ZbEdN4FtRLa1Bw4xZI8q8jcEnyFzyV8f+Ns 5DpnL6Rg2ElJSl0Y91CcE2Nblj57tuTQd7KrLE9wgSatq7nfe3ws+8ImijU2KZrrrvIU gmmXGtvnDV0ozvHQYKi1GZN+0jQFyZMWZF99kLe1NPpejqYQTfGs1mk722CxZ833hfVe bYXmRDTZbZkb+Xts5LdSykcd7FvTGJMqhB1HEepsW8ZXQfBUz8OuIJ98gXGNM0f+3a0S PvvA== X-Forwarded-Encrypted: i=1; AJvYcCVSo1G0wJV/cta+OgKuk2QP1I967JlJnqIkRCsftPDC0K9XkK5FygpbxfmYpiy2qfTTN2LOUEiBG+OOlE4=@vger.kernel.org X-Gm-Message-State: AOJu0YzzZt++h53MlUJ/8mLJnalBKFGMoMRm1FSWP/z7SpThnT5UbFRo EQ5dE9m9MutUWXu0+YG0fOj6NdxIawhVjddAUJDD6shIW1JRO0aa X-Google-Smtp-Source: AGHT+IEsZPdU8GM1kum7/zaUzEVw6XvTIJrad8b4SerZbO73UnRoT/b4kMshT+eS7mAR2Kt1EenPhA== X-Received: by 2002:a05:6a00:4616:b0:71e:41b3:a57a with SMTP id d2e1a72fcca58-72063093466mr40197264b3a.24.1730684706294; Sun, 03 Nov 2024 17:45:06 -0800 (PST) Received: from localhost.localdomain ([2607:f130:0:105:216:3cff:fef7:9bc7]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-720bc1eb3a7sm6360030b3a.81.2024.11.03.17.45.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Nov 2024 17:45:05 -0800 (PST) From: zhangshida X-Google-Original-From: zhangshida To: djwong@kernel.org, dchinner@redhat.com, leo.lilong@huawei.com, wozizhi@huawei.com, osandov@fb.com, xiang@kernel.org, zhangjiachen.jaycee@bytedance.com Cc: linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, zhangshida@kylinos.cn, starzhangzsd@gmail.com Subject: [PATCH 2/5] xfs: add two mp member to record the alloction field layout Date: Mon, 4 Nov 2024 09:44:36 +0800 Message-Id: <20241104014439.3786609-3-zhangshida@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241104014439.3786609-1-zhangshida@kylinos.cn> References: <20241104014439.3786609-1-zhangshida@kylinos.cn> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Shida Zhang Add two member to support the AF(alloction field) for each *mp*, which means now we can have 3 AFs at most: [ 0, AF[0] ) [ AF[0], AF[1] ) [ AF[1], m_sb.agcount ) where AF[N], start agno of the AF[N] = mp->m_sb.agcount - mp->m_af[N] On default, [ 0, m_sb.agcount) [ m_sb.agcount, m_sb.agcount ) [ m_sb.agcount, m_sb.agcount ) That means the entire filesystem can be deemed as a AF 0 extending from 0 to m_sb.agcount. Signed-off-by: Shida Zhang --- fs/xfs/xfs_mount.h | 3 +++ fs/xfs/xfs_super.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 96496f39f551..38dff08b467d 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -260,6 +260,9 @@ typedef struct xfs_mount { /* Hook to feed dirent updates to an active online repair. */ struct xfs_hooks m_dir_update_hooks; + + /* Relative start agno of the AFs */ + xfs_agnumber_t m_af[2]; } xfs_mount_t; #define M_IGEO(mp) (&(mp)->m_ino_geo) diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index fbb3a1594c0d..0975ad55557e 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -2040,6 +2040,8 @@ static int xfs_init_fs_context( mp->m_logbufs = -1; mp->m_logbsize = -1; mp->m_allocsize_log = 16; /* 64k */ + mp->m_af[0] = 0; + mp->m_af[1] = 0; xfs_hooks_init(&mp->m_dir_update_hooks);