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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03D7DC49ED6 for ; Wed, 11 Sep 2019 16:45:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C07B020863; Wed, 11 Sep 2019 16:45:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="iBt5qMKA"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="X/BTdV41" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C07B020863 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1i85kO-0007ws-0E; Wed, 11 Sep 2019 16:45:36 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1i85kM-0007wc-T9 for linux-f2fs-devel@lists.sourceforge.net; Wed, 11 Sep 2019 16:45:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: 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=+HB7ZrcvuDEZw1Pzj0w8UVsUM1xr3H/8VRtU+tYNbrs=; b=iBt5qMKA/tQ7xInilOkhPqV4sG 81HH28otif8CpwEqHYwXCKa1tClYirmCrptRvZopCEE6KSlTgqDuaQP1nreTeWWaTXbsLKaYPe3Eu 9nl3t6TEuqDCCakXYuvKP0H0CG8eJV2dzvcM9W0r7qN7XWwr3rMJYgNPfcf/K9uKq+HY=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To :MIME-Version:Content-Type:Content-Transfer-Encoding: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=+HB7ZrcvuDEZw1Pzj0w8UVsUM1xr3H/8VRtU+tYNbrs=; b=X/BTdV4168b7jidGj4VrvwYlWI 4k1dD077N4c8n23V7IF6ZNv8RrPCWtlF8oJ8NZbEycXH4Zd94hGskITRhJDR+DbvVvr5phmqSFmuF miCykv1/ykCVxm2RXXvAaCBnDo+jOQIXWvj64iPWZF2e3eHEf0RUn1FkWWukHCHbezgA=; Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1i85kK-000Vwf-S3 for linux-f2fs-devel@lists.sourceforge.net; Wed, 11 Sep 2019 16:45:34 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id EFFBFAF84; Wed, 11 Sep 2019 16:45:25 +0000 (UTC) From: Goldwyn Rodrigues To: linux-fsdevel@vger.kernel.org Date: Wed, 11 Sep 2019 11:45:15 -0500 Message-Id: <20190911164517.16130-2-rgoldwyn@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190911164517.16130-1-rgoldwyn@suse.de> References: <20190911093926.pfkkx25mffzeuo32@alap3.anarazel.de> <20190911164517.16130-1-rgoldwyn@suse.de> X-Headers-End: 1i85kK-000Vwf-S3 Subject: [f2fs-dev] [PATCH 1/3] btrfs: fix inode rwsem regression 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: david@fromorbit.com, linux-f2fs-devel@lists.sourceforge.net, hch@infradead.org, Goldwyn Rodrigues , linux-ext4@vger.kernel.org, andres@anarazel.de, linux-btrfs@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Goldwyn Rodrigues This is similar to 942491c9e6d6 ("xfs: fix AIM7 regression") Apparently our current rwsem code doesn't like doing the trylock, then lock for real scheme. So change our read/write methods to just do the trylock for the RWF_NOWAIT case. Fixes: edf064e7c6fe ("btrfs: nowait aio support") Signed-off-by: Goldwyn Rodrigues --- fs/btrfs/file.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 58a18ed11546..651b2b1f4219 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1893,9 +1893,10 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb, (iocb->ki_flags & IOCB_NOWAIT)) return -EOPNOTSUPP; - if (!inode_trylock(inode)) { - if (iocb->ki_flags & IOCB_NOWAIT) + if (iocb->ki_flags & IOCB_NOWAIT) { + if (!inode_trylock(inode)) return -EAGAIN; + } else { inode_lock(inode); } -- 2.16.4 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel