vfs: push dentry_unhash on rmdir into file systems

[pandora-kernel.git] / fs / 9p / v9fs.h

diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index bd8496d..e5ebedf 100644 (file)
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -116,7 +116,6 @@ struct v9fs_session_info {
        struct list_head slist; /* list of sessions registered with v9fs */
        struct backing_dev_info bdi;
        struct rw_semaphore rename_sem;
-       struct p9_fid *root_fid; /* Used for file system sync */
 };
 
 /* cache_validity flags */
@@ -130,6 +129,7 @@ struct v9fs_inode {
 #endif
        unsigned int cache_validity;
        struct p9_fid *writeback_fid;
+       struct mutex v_mutex;
        struct inode vfs_inode;
 };
 
@@ -173,6 +173,11 @@ static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
        return (inode->i_sb->s_fs_info);
 }
 
+static inline struct v9fs_session_info *v9fs_dentry2v9ses(struct dentry *dentry)
+{
+       return dentry->d_sb->s_fs_info;
+}
+
 static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses)
 {
        return v9ses->flags & V9FS_PROTO_2000U;