From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaegeuk Kim Subject: [PATCH 2/2] f2fs: allow dio read for LFS mode Date: Fri, 11 Nov 2016 13:03:04 -0800 Message-ID: <20161111210304.4736-2-jaegeuk@kernel.org> References: <20161111210304.4736-1-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1c5Iyh-0003yE-IH for linux-f2fs-devel@lists.sourceforge.net; Fri, 11 Nov 2016 21:03:15 +0000 Received: from mail.kernel.org ([198.145.29.136]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1c5Iyg-0002l7-TV for linux-f2fs-devel@lists.sourceforge.net; Fri, 11 Nov 2016 21:03:15 +0000 In-Reply-To: <20161111210304.4736-1-jaegeuk@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim We can allow dio reads for LFS mode, while doing buffered writes for dio writes. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ca53da5..996b9ae 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1732,7 +1732,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) return 0; - if (test_opt(F2FS_I_SB(inode), LFS)) + if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) return 0; trace_f2fs_direct_IO_enter(inode, offset, count, rw); -- 2.8.3 ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:35246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937874AbcKKVJh (ORCPT ); Fri, 11 Nov 2016 16:09:37 -0500 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 2/2] f2fs: allow dio read for LFS mode Date: Fri, 11 Nov 2016 13:03:04 -0800 Message-Id: <20161111210304.4736-2-jaegeuk@kernel.org> In-Reply-To: <20161111210304.4736-1-jaegeuk@kernel.org> References: <20161111210304.4736-1-jaegeuk@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: We can allow dio reads for LFS mode, while doing buffered writes for dio writes. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ca53da5..996b9ae 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1732,7 +1732,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) return 0; - if (test_opt(F2FS_I_SB(inode), LFS)) + if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) return 0; trace_f2fs_direct_IO_enter(inode, offset, count, rw); -- 2.8.3