From patchwork Fri Aug 25 13:54:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hao Xu X-Patchwork-Id: 1826166 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=EVNGBqLP; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=gfnw7iot; 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 4RXMFD59sFz1yZs for ; Sat, 26 Aug 2023 00:06:24 +1000 (AEST) 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=6JPlhtabF+NAiyimnqyY0dUn7FznTrERyT+WlwvYbIY=; b=EVNGBqLPji6QM0 cyegJ/DfNNHwyegqVDreU2hqVcB7ZNGI/eco4z2alXb9sd5cQROPFa4yTq9CRhdjwEe11/FpaW/Dc mDr7rarz1ykpyYv8r2CY3t3nSdMniJbz7wdCpRFkrg0jHEQTdVEKKCEhXFp2kgmy96iam9nAdcGtj TimI2QWndVQ9lwCA6dq/24YaN6HJP4ffpFVDMoC+7FtYGPwUClhIuKP5SYBknSbbCBhcNlNO1witU solFMNDT/jJVUrFdk1+PZARaI/P9r8DD+aWYMhX+99gI0nUEygd3jgOknvwdgLT9LpOd0Ds//OxNY pA8k8b2C2EewUXaq3HMg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qZXRl-005YcL-2b; Fri, 25 Aug 2023 14:05:57 +0000 Received: from out-243.mta1.migadu.com ([2001:41d0:203:375::f3]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qZXRj-005Yb1-08 for linux-mtd@lists.infradead.org; Fri, 25 Aug 2023 14:05:56 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1692972353; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4gmh1Yl1nIIBwKe+EGho8dT2/H6COtTrErlOIONZgFQ=; b=gfnw7iot2v83zX2rBTLz1spXwFLJTgZUr3L11o+Xtkb6kMiY2V8isvCmRHCyeGMc3m+Cgc 4QGEiH3BvMZ39xF7zrn0F0ImfXnteloPQ0HANELCYOPXSgll6hNjSPIHSsKK/xLoS1sTMP 6uHJDx4f8EyPCrO0C+jtU3MY4km0+Ig= From: Hao Xu To: io-uring@vger.kernel.org, Jens Axboe Cc: Dominique Martinet , Pavel Begunkov , Christian Brauner , Alexander Viro , Stefan Roesch , Clay Harris , Dave Chinner , "Darrick J . Wong" , linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-cachefs@redhat.com, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, codalist@coda.cs.cmu.edu, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, linux-nilfs@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-mtd@lists.infradead.org, Wanpeng Li Subject: [PATCH 27/29] xfs: add a comment for xlog_kvmalloc() Date: Fri, 25 Aug 2023 21:54:29 +0800 Message-Id: <20230825135431.1317785-28-hao.xu@linux.dev> In-Reply-To: <20230825135431.1317785-1-hao.xu@linux.dev> References: <20230825135431.1317785-1-hao.xu@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230825_070555_218229_E041D9A7 X-CRM114-Status: UNSURE ( 7.13 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: From: Hao Xu vmalloc() always succeed in 64 bit system? Not a real patch. Signed-off-by: Hao Xu --- fs/xfs/xfs_log_cil.c | 3 +++ 1 file changed, 3 insertions(+) Content analysis details: (-0.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 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 From: Hao Xu vmalloc() always succeed in 64 bit system? Not a real patch. Signed-off-by: Hao Xu --- fs/xfs/xfs_log_cil.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index f17c1799b3c4..b31830ee36dd 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -335,6 +335,9 @@ xlog_cil_alloc_shadow_bufs( * storage. */ kmem_free(lip->li_lv_shadow); + /* + * May this be indefinite loop in nowait case? + */ lv = xlog_kvmalloc(buf_size); memset(lv, 0, xlog_cil_iovec_space(niovecs));