From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aneesh Kumar K.V" Subject: [PATCH 03/14] fs/9p: Add drop_inode 9p callback Date: Thu, 17 Feb 2011 23:31:54 +0530 Message-ID: <1297965725-25603-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1297965725-25603-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" To: v9fs-developer@lists.sourceforge.net Return-path: In-Reply-To: <1297965725-25603-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org We want to immediately drop the inode in non cached mode Signed-off-by: Aneesh Kumar K.V --- fs/9p/vfs_super.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index cfb8e97..0dc9e4b 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -293,6 +293,20 @@ static int v9fs_sync_fs(struct super_block *sb, int wait) return p9_client_sync_fs(v9ses->root_fid); } +int v9fs_drop_inode(struct inode *inode) +{ + struct v9fs_session_info *v9ses; + v9ses = v9fs_inode2v9ses(inode); + if (v9ses->cache) + return !inode->i_nlink || inode_unhashed(inode); + /* + * in case of non cached mode always drop the + * the inode because we want the inode attribute + * to always match that on the server. + */ + return 1; +} + static const struct super_operations v9fs_super_ops = { .alloc_inode = v9fs_alloc_inode, .destroy_inode = v9fs_destroy_inode, @@ -307,6 +321,7 @@ static const struct super_operations v9fs_super_ops_dotl = { .destroy_inode = v9fs_destroy_inode, .sync_fs = v9fs_sync_fs, .statfs = v9fs_statfs, + .drop_inode = v9fs_drop_inode, .evict_inode = v9fs_evict_inode, .show_options = generic_show_options, .umount_begin = v9fs_umount_begin, -- 1.7.1