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 10886C3DA6F for ; Fri, 25 Aug 2023 14:03:57 +0000 (UTC) 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=j5lc5CDfNpyqllahOVcx11zl77WjWgDRaduhB7D0crg=; b=RvvSfc5B7Pyc04 /wgIsABLD+g32KSBJPVbBNcJtq340xIjhnZr59bsQAqJPO00VBnXCmtnLVok99Am7GLOSEOa0ZK8k +uEOOP+rKMctJdwpaUdQzYU51yv0XzjJriKc7jNL1rh0d55GNljfYxwxMQnpDGbP625eDt0Jxmviu IkAvqT5VzxyydlevACDlujKL35s3tV16FSWGLgXDhfRNLmp0Z+NwxyOtVhrZ36shQ7hC7z5XJJn9r 8a+YJxmxk1M5txHqwNUxNvpDr10MMbduwLdmovC9HzgJISNC9dPOGHzaywSelGYHaGAX2E3aiNuzK T/b+yEC/VbRHuu7e3Rtg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qZXPk-005XiI-3A; Fri, 25 Aug 2023 14:03:53 +0000 Received: from out-246.mta1.migadu.com ([2001:41d0:203:375::f6]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qZXPi-005XhE-2r for linux-mtd@lists.infradead.org; Fri, 25 Aug 2023 14:03:52 +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=1692972229; 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=k/4ZXSLCSyhuRHiUlNViF+vdvrXezEQu+Nm95mQGfD4=; b=XN4VKQ0vJWdKOqygAoO6O9s0mfT9sbRl6WKC6PlM4YizrHDbuoZWPHymJ4boioTyhTPsXz mzB7w7XoqaVp3khAiC/KVcJAYhLbwQjG/YZ+xeSDe8Sd8K9S+AePqNUb6KBAAuKlTSuaCl kFQBsj5S1c42QHrr1w1CZcr0QQo5mJc= 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 21/29] xfs: return -EAGAIN when bulk memory allocation fails in nowait case Date: Fri, 25 Aug 2023 21:54:23 +0800 Message-Id: <20230825135431.1317785-22-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_070351_062152_893EDF31 X-CRM114-Status: UNSURE ( 8.76 ) X-CRM114-Notice: Please train this message. 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org From: Hao Xu Rather than wait for a moment and retry, we return -EAGAIN when we fail to allocate bulk memory in xfs_buf_alloc_pages() in nowait case. Signed-off-by: Hao Xu --- fs/xfs/xfs_buf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index a6e6e64ff940..eb3cd7702545 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -404,6 +404,11 @@ xfs_buf_alloc_pages( if (filled != last) continue; + if (nowait) { + xfs_buf_free_pages(bp); + return -EAGAIN; + } + if (flags & XBF_READ_AHEAD) { xfs_buf_free_pages(bp); return -ENOMEM; -- 2.25.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/