From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:50051 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752240AbcDZAHH (ORCPT ); Mon, 25 Apr 2016 20:07:07 -0400 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 6/7] f2fs: issue cache flush on direct IO Date: Mon, 25 Apr 2016 17:06:59 -0700 Message-Id: <1461629220-16280-6-git-send-email-jaegeuk@kernel.org> In-Reply-To: <1461629220-16280-1-git-send-email-jaegeuk@kernel.org> References: <1461629220-16280-1-git-send-email-jaegeuk@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Under direct IO path with O_(D)SYNC, it needs to set proper APPEND or UPDATE flags, so taht f2fs_sync_file can make its data safe. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index e54489b..38ce5d6 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -673,6 +673,9 @@ next_block: err = reserve_new_block(&dn); } else { err = __allocate_data_block(&dn); + if (!err) + set_inode_flag(F2FS_I(inode), + FI_APPEND_WRITE); } if (err) goto sync_out; @@ -1685,8 +1688,12 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, trace_f2fs_direct_IO_enter(inode, offset, count, iov_iter_rw(iter)); err = blockdev_direct_IO(iocb, inode, iter, offset, get_data_block_dio); - if (err < 0 && iov_iter_rw(iter) == WRITE) - f2fs_write_failed(mapping, offset + count); + if (iov_iter_rw(iter) == WRITE) { + if (err > 0) + set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE); + else if (err < 0) + f2fs_write_failed(mapping, offset + count); + } trace_f2fs_direct_IO_exit(inode, offset, count, iov_iter_rw(iter), err); -- 2.6.3