From patchwork Sat Sep 25 01:04:27 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jvrao X-Patchwork-Id: 208112 X-Patchwork-Delegate: ericvh@gmail.com Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8P0nlHp017951 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 25 Sep 2010 00:50:09 GMT Received: from localhost ([127.0.0.1] helo=sfs-ml-2.v29.ch3.sourceforge.com) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OzIxT-0000gB-06; Sat, 25 Sep 2010 00:49:43 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OzIxR-0000g6-V3 for v9fs-developer@lists.sourceforge.net; Sat, 25 Sep 2010 00:49:41 +0000 X-ACL-Warn: Received: from e9.ny.us.ibm.com ([32.97.182.139]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1OzIxQ-0003UI-Lx for v9fs-developer@lists.sourceforge.net; Sat, 25 Sep 2010 00:49:41 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e9.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o8P0UGa6020206 for ; Fri, 24 Sep 2010 20:30:16 -0400 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o8P0nYbV098018 for ; Fri, 24 Sep 2010 20:49:34 -0400 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o8P0nXMB002396 for ; Fri, 24 Sep 2010 18:49:34 -0600 Received: from localhost.localdomain (elm9m80.beaverton.ibm.com [9.47.81.80]) by d03av02.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o8P0nXuM002385; Fri, 24 Sep 2010 18:49:33 -0600 From: "Venkateswararao Jujjuri (JV)" To: v9fs-developer@lists.sourceforge.net Date: Fri, 24 Sep 2010 18:04:27 -0700 Message-Id: <1285376668-2234-1-git-send-email-jvrao@linux.vnet.ibm.com> X-Mailer: git-send-email 1.6.0.6 X-Spam-Score: -0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1OzIxQ-0003UI-Lx Cc: linux-fsdevel@vger.kernel.org Subject: [V9fs-developer] [PATCH 1/2] [fs/9p] Add file_operations for cached mode in dotl protocol. X-BeenThere: v9fs-developer@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: v9fs-developer-bounces@lists.sourceforge.net X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Sat, 25 Sep 2010 00:50:09 +0000 (UTC) diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index f455c45..28db7fb 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -44,6 +44,7 @@ #include "cache.h" static const struct file_operations v9fs_cached_file_operations; +static const struct file_operations v9fs_cached_file_operations_dotl; /** * v9fs_file_open - open a file (or directory) @@ -92,6 +93,8 @@ int v9fs_file_open(struct inode *inode, struct file *file) /* enable cached file options */ if(file->f_op == &v9fs_file_operations) file->f_op = &v9fs_cached_file_operations; + else if (file->f_op == &v9fs_file_operations_dotl) + file->f_op = &v9fs_cached_file_operations_dotl; #ifdef CONFIG_9P_FSCACHE v9fs_cache_inode_set_cookie(inode, file); @@ -299,6 +302,18 @@ static const struct file_operations v9fs_cached_file_operations = { .fsync = v9fs_file_fsync, }; +static const struct file_operations v9fs_cached_file_operations_dotl = { + .llseek = generic_file_llseek, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .write = v9fs_file_write, + .open = v9fs_file_open, + .release = v9fs_dir_release, + .lock = v9fs_file_lock, + .mmap = generic_file_readonly_mmap, + .fsync = v9fs_file_fsync, +}; + const struct file_operations v9fs_file_operations = { .llseek = generic_file_llseek, .read = v9fs_file_read,