fs/9p: increment inode->i_count in cached mode.

We need to ihold even in cached mode
Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>

fs/9p/vfs_inode_dotl.c

@@ -636,13 +636,8 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
 		v9fs_stat2inode_dotl(st, old_dentry->d_inode);
 
 		kfree(st);
-	} else {
-		/* Caching disabled. No need to get upto date stat info.
-		 * This dentry will be released immediately. So, just hold the
-		 * inode
-		 */
-		ihold(old_dentry->d_inode);
 	}
+	ihold(old_dentry->d_inode);
 	d_instantiate(dentry, old_dentry->d_inode);
 
 	return err;