From patchwork Mon Sep 23 15:07:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13809737 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44DC219CC12 for ; Mon, 23 Sep 2024 15:08:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727104107; cv=none; b=u+HrSuHIPTJNwRO9NmaxKkW/bMIemVYY22f818u/cD7XyS5BIWgVVDnYmV70LoUhIbfo+OY+qPxkjw7Y1slJ9pyL9ST9zgO5g9/5vXAckFmVEQlzUilwaLoq+aeSblf/aSN4SsHi+X1Ek6FKZPEQV/8XrBgCO9TqYnB78Ts7oAw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727104107; c=relaxed/simple; bh=sELOFazXkw60MBAdUmT5pDhOXyWrixKsDme59VZt+T4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uBDsvNXenhNMqmoyoSuHqXyDbJpuCUvJN1H+Bn8cnoTStqT+Pm3QeEC4uZhFOcZdRyn7kOaTPSkFVhzf5YekukOtevik1DOVLwhOWWv2AKGgK4OxTPKnlmSzrgyOos0NINiicSbAgLNK6UXt1cQ+wJcJwqVWIW4dXOjo3SuuvGY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Cy5T7kp4; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Cy5T7kp4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727104105; 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=UHKFm+zddtgJAu8raP8xj5T/wroKl8vpea/DCvZ5VL0=; b=Cy5T7kp43j6ZIX0rZTJf/xV3Y4iWo8mFqNR30ZEODUTXef1k+g0I2P6Sio3g6U0LEpZY15 vC91V/1O52xoupf4nkNJVIb1QsOo0bdp0WvpOlEsfCNt+GNx9aLXMKm7tz00MTvvgyvWqW OT1U1EairVBLsGPIu1bUT/Jep08j+J4= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-439-YwYfIXcXPKSEJj725uT1xQ-1; Mon, 23 Sep 2024 11:08:20 -0400 X-MC-Unique: YwYfIXcXPKSEJj725uT1xQ-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (unknown [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 59BFD18E6A7E; Mon, 23 Sep 2024 15:08:18 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.145]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 9EE911954190; Mon, 23 Sep 2024 15:08:06 +0000 (UTC) From: David Howells To: Christian Brauner , Steve French , Marc Dionne Cc: David Howells , Paulo Alcantara , Jeff Layton , Matthew Wilcox , netfs@lists.linux.dev, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel test robot Subject: [PATCH 1/8] netfs: Fix mtime/ctime update for mmapped writes Date: Mon, 23 Sep 2024 16:07:45 +0100 Message-ID: <20240923150756.902363-2-dhowells@redhat.com> In-Reply-To: <20240923150756.902363-1-dhowells@redhat.com> References: <20240923150756.902363-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 The cifs flag CIFS_INO_MODIFIED_ATTR, which indicates that the mtime and ctime need to be written back on close, got taken over by netfs as NETFS_ICTX_MODIFIED_ATTR to avoid the need to call a function pointer to set it. The flag gets set correctly on buffered writes, but doesn't get set by netfs_page_mkwrite(), leading to occasional failures in generic/080 and generic/215. Fix this by setting the flag in netfs_page_mkwrite(). Fixes: 73425800ac94 ("netfs, cifs: Move CIFS_INO_MODIFIED_ATTR to netfs_inode") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202409161629.98887b2-oliver.sang@intel.com Signed-off-by: David Howells cc: Jeff Layton cc: Steve French cc: Paulo Alcantara cc: linux-cifs@vger.kernel.org cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org --- fs/netfs/buffered_write.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c index d7eae597e54d..b3910dfcb56d 100644 --- a/fs/netfs/buffered_write.c +++ b/fs/netfs/buffered_write.c @@ -552,6 +552,7 @@ vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_gr trace_netfs_folio(folio, netfs_folio_trace_mkwrite); netfs_set_group(folio, netfs_group); file_update_time(file); + set_bit(NETFS_ICTX_MODIFIED_ATTR, &ictx->flags); if (ictx->ops->post_modify) ictx->ops->post_modify(inode); ret = VM_FAULT_LOCKED;