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 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 0A8FDC87FD1 for ; Tue, 5 Aug 2025 06:19:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type:Cc: Reply-To:From:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Subject:MIME-Version:Message-ID:Date:To:Sender: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=tTSSCoHLaAFEnIsgiGM+C7b4164u+eRxqm8w6GFK1J8=; b=detIMmdoG+xibFGH30caQ+s6rQ zFZ0nCDAvki2DHCS2sVzlELn1cIZKsUztp5eXWL23UZHrOQWH6aPhf+Lu6xJqcuTDt/2f9wF12cU1 X3+RL/vuaXe/tC4Ay29jsT5wD/ElCB3aTaOzBlm2UzgBiM05y4ts8uK8m6+thzp/dtp8=; 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 4.95) (envelope-from ) id 1ujB1L-0000n1-0v; Tue, 05 Aug 2025 06:19:35 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1ujB1J-0000ms-MN for linux-f2fs-devel@lists.sourceforge.net; Tue, 05 Aug 2025 06:19:33 +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: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:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=J59J8guxVVPodt5W64UarY1vroYIU1cEs3+PXa+qLkU=; b=m3O1wMT9fXruXX80mYMb0VfzQQ thZ2CFwqFG6LvGHGofndbXZ0+InOI4KU/qBryWVmte47kjPXGwvk30H5oNKQNXf2ojO96HTYdFFLV QvysCpJD3Oh5jYmai23o8kn8c/La+1SZeqNmOeCZxYayR97MLvOlEXFz08gm+81bNSyE=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version: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:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=J59J8guxVVPodt5W64UarY1vroYIU1cEs3+PXa+qLkU=; b=Y fgD7xWDBecRxluVo06lU8u3EHoUNDE5pwgvjsJwvygoKuISSCHFJRxDoGeoLy7KqsWVXRDWmFOynB Mr7XrMxj9EZf2EOrkAw7YGIKRrH/wAUbf5z6sgJN+m/01iufCyEw8wsQiiayx/GwGFkiWZOxElmhI GeN37kPW+e1ydTnQ=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1ujB1J-0002xz-CA for linux-f2fs-devel@lists.sourceforge.net; Tue, 05 Aug 2025 06:19:33 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 06ABB5C63FE; Tue, 5 Aug 2025 06:19:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9EB0C4CEF4; Tue, 5 Aug 2025 06:19:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754374762; bh=DgJ6jHIbxLVmiXFgEe6KR9nH8EMJtdShONp10yEpRuw=; h=From:To:Cc:Subject:Date:From; b=BoXuP7/XHPnGo8bvR8bgj8MUSC9E/9FMTu198MFG24jHl9lIm/uLA+UpNhinzI8TD i8n7rYsycPxIX0+qIXEJVq8RULdbCBvpcP/5lauxCDhKtJYvW+iIYO+X8UDqbU92le a4/E50saBbAoJtpky/XRr1S+MLjA0jnAkg+xmlFXQGWnutkWgk84GtA/b1iV0IhLvo TWF3YLy137uJaWVvpSeXWXGvXa8hOzf0+L8hdvlNmb7Mbqt6UQRJvOFuPR0INw8V4m muDSgIA4h2++f767oY54Ki7VJLOywNprsNdR/Dhf8tebQ+jNBXU29rru6rMzQrAXlU w43fINSO6TX0A== To: jaegeuk@kernel.org Date: Tue, 5 Aug 2025 14:19:14 +0800 Message-ID: <20250805061914.3067747-1-chao@kernel.org> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog MIME-Version: 1.0 X-Headers-End: 1ujB1J-0002xz-CA Subject: [f2fs-dev] [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write 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: , From: Chao Yu via Linux-f2fs-devel Reply-To: Chao Yu Cc: Jens Axboe , Qi Han , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net f2fs doesn't support uncached write yet, for write() w/ IOCB_DONTCACHE flag, let's return -EOPNOTSUPP instead of ignoring IOCB_DONTCACHE flag and write w/o uncached IO. Cc: Jens Axboe Cc: Qi Han Signed-off-by: Chao Yu --- v2: - fix author info fs/f2fs/file.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9b8d24097b7a..7f09cad6b6d7 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -5185,6 +5185,11 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) goto out; } + if (iocb->ki_flags & IOCB_DONTCACHE) { + ret = -EOPNOTSUPP; + goto out; + } + if (!f2fs_is_compress_backend_ready(inode)) { ret = -EOPNOTSUPP; goto out; -- 2.49.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0AE1D21639B for ; Tue, 5 Aug 2025 06:19:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754374763; cv=none; b=i4RQhsWOd0GGNSO/13wd4pqEZ8jBA/1qwiguEyRPyzmuiApcvsFHMhpASbMgZjZaD64HWC8RA+kQQUEy8Axe43/S/UlVzXEmSCkIdwZ6cKWb1OK9Xp3QdBqYaLbYBN9RQA85RzEY8VYQZ428J2IImpIWRxAmYDsFKuzYqMFVn/k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754374763; c=relaxed/simple; bh=DgJ6jHIbxLVmiXFgEe6KR9nH8EMJtdShONp10yEpRuw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=aHrSlXS9DznTFut+Y2SMbT5E2dPzlY4DT6nWU7NniMODIFn2y2HGY3NZHgr6j82OwD7MrUSDIQjQqAUf5qURrKNPPaD5bX/6YuHMp+Skrr1uC21TcxoQi3MddcZI293ii8Q6ZzSRjDvfNdzU/vpCTep2edErlEFA8khy9wHRbpQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BoXuP7/X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BoXuP7/X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9EB0C4CEF4; Tue, 5 Aug 2025 06:19:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754374762; bh=DgJ6jHIbxLVmiXFgEe6KR9nH8EMJtdShONp10yEpRuw=; h=From:To:Cc:Subject:Date:From; b=BoXuP7/XHPnGo8bvR8bgj8MUSC9E/9FMTu198MFG24jHl9lIm/uLA+UpNhinzI8TD i8n7rYsycPxIX0+qIXEJVq8RULdbCBvpcP/5lauxCDhKtJYvW+iIYO+X8UDqbU92le a4/E50saBbAoJtpky/XRr1S+MLjA0jnAkg+xmlFXQGWnutkWgk84GtA/b1iV0IhLvo TWF3YLy137uJaWVvpSeXWXGvXa8hOzf0+L8hdvlNmb7Mbqt6UQRJvOFuPR0INw8V4m muDSgIA4h2++f767oY54Ki7VJLOywNprsNdR/Dhf8tebQ+jNBXU29rru6rMzQrAXlU w43fINSO6TX0A== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu , Jens Axboe , Qi Han Subject: [PATCH v2] f2fs: fix to return -EOPNOTSUPP for uncached write Date: Tue, 5 Aug 2025 14:19:14 +0800 Message-ID: <20250805061914.3067747-1-chao@kernel.org> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit f2fs doesn't support uncached write yet, for write() w/ IOCB_DONTCACHE flag, let's return -EOPNOTSUPP instead of ignoring IOCB_DONTCACHE flag and write w/o uncached IO. Cc: Jens Axboe Cc: Qi Han Signed-off-by: Chao Yu --- v2: - fix author info fs/f2fs/file.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9b8d24097b7a..7f09cad6b6d7 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -5185,6 +5185,11 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) goto out; } + if (iocb->ki_flags & IOCB_DONTCACHE) { + ret = -EOPNOTSUPP; + goto out; + } + if (!f2fs_is_compress_backend_ready(inode)) { ret = -EOPNOTSUPP; goto out; -- 2.49.0