From mboxrd@z Thu Jan 1 00:00:00 1970 From: Long Li Subject: [Patch v2 15/15] CIFS: Add direct I/O functions to file_operations Date: Wed, 30 May 2018 12:48:07 -0700 Message-ID: <20180530194807.31657-16-longli@linuxonhyperv.com> References: <20180530194807.31657-1-longli@linuxonhyperv.com> Reply-To: longli@microsoft.com Return-path: In-Reply-To: <20180530194807.31657-1-longli@linuxonhyperv.com> Sender: linux-kernel-owner@vger.kernel.org To: Steve French , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org Cc: Long Li List-Id: linux-rdma@vger.kernel.org From: Long Li With direct read/write functions implemented, add them to file_operations. When mounting with "cache=none", CIFS uses direct I/O. Signed-off-by: Long Li --- fs/cifs/cifsfs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 62f1662..e84f8c2 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1113,9 +1113,8 @@ const struct file_operations cifs_file_strict_ops = { }; const struct file_operations cifs_file_direct_ops = { - /* BB reevaluate whether they can be done with directio, no cache */ - .read_iter = cifs_user_readv, - .write_iter = cifs_user_writev, + .read_iter = cifs_direct_readv, + .write_iter = cifs_direct_writev, .open = cifs_open, .release = cifs_close, .lock = cifs_lock, -- 2.7.4