From patchwork Fri Aug 25 13:54:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hao Xu X-Patchwork-Id: 13365910 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 lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (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 16CBEEE49B8 for ; Fri, 25 Aug 2023 14:03:28 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1qZXPK-0003jr-6L; Fri, 25 Aug 2023 14:03:27 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qZXPJ-0003jj-8z for linux-f2fs-devel@lists.sourceforge.net; Fri, 25 Aug 2023 14:03:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=oO47LbY0b5fVyG7D8YYQFkwRO57XM5uT3mfj/DxMSkA=; b=lDHHVVaS9CBRxbKUuvD/25UrZG 9mcQjaFHEjp0K9T0saRB+egxnI2UvGLiIePFsfcQ0kgkgCd6o3lGlcKajyJVPJTzJPMY1uHkyT2QA 1SRigado+Ygogvfs5tg+xvvQQJ4r24tyndBEcY6cMnXcoUyDccVbgJ5La8Wod7Nz6pbo=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=oO47LbY0b5fVyG7D8YYQFkwRO57XM5uT3mfj/DxMSkA=; b=cm2uZOwhbMDKc7WCyWyNdNmJ1V s1kVgssQweemM+vcFF1lXNwkytBKO1W2wyuoWzpzWUsORpTjWXY88eKdChItVQcvzWlLOi4RrxkHs e2Y6f++W4KYVUzuvF0fducyh7bCWY6yxbk6R2axfJNFB6tGaccWClT1bNzEuLpz+lJOY=; Received: from out-250.mta1.migadu.com ([95.215.58.250]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1qZXPJ-00FHzC-Jy for linux-f2fs-devel@lists.sourceforge.net; Fri, 25 Aug 2023 14:03:26 +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=1692972199; 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=oO47LbY0b5fVyG7D8YYQFkwRO57XM5uT3mfj/DxMSkA=; b=j1kjownAAX9hJfB2BxApQkooYMrevfaPLxvPystRVIJaNfbMrYunmfkjCazr0ChWhlvVjY lRX7+a9ciN0hwgjNK4X5Fb69aObVTB6DVFK6AZND7C0g5qPAW+vA7D+a0HhCiOEWDX9QRj DdPtV8aYlp/xMHVmKP0gIoyMuJWp9/M= From: Hao Xu To: io-uring@vger.kernel.org, Jens Axboe Date: Fri, 25 Aug 2023 21:54:21 +0800 Message-Id: <20230825135431.1317785-20-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-Headers-End: 1qZXPJ-00FHzC-Jy Subject: [f2fs-dev] [PATCH 19/29] xfs: support nowait memory allocation in _xfs_buf_alloc() X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Wanpeng Li , "Darrick J . Wong" , Dominique Martinet , Dave Chinner , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Stefan Roesch , Clay Harris , linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, codalist@coda.cs.cmu.edu, cluster-devel@redhat.com, linux-cachefs@redhat.com, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-block@vger.kernel.org, Alexander Viro , Christian Brauner , netdev@vger.kernel.org, samba-technical@lists.samba.org, linux-unionfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, bpf@vger.kernel.org, Pavel Begunkov , linux-btrfs@vger.kernel.org Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Hao Xu Choose different gfp flags to support nowait memory allocation in _xfs_buf_alloc(). Signed-off-by: Hao Xu --- fs/xfs/xfs_buf.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 9f84bc3b802c..8b800ce28996 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -220,9 +220,14 @@ _xfs_buf_alloc( struct xfs_buf *bp; int error; int i; + bool nowait = flags & XBF_NOWAIT; + gfp_t gfp_flags = GFP_NOFS | + (nowait ? 0 : __GFP_NOFAIL); *bpp = NULL; - bp = kmem_cache_zalloc(xfs_buf_cache, GFP_NOFS | __GFP_NOFAIL); + bp = kmem_cache_zalloc(xfs_buf_cache, gfp_flags); + if (!bp) + return -EAGAIN; /* * We don't want certain flags to appear in b_flags unless they are