wake_up(&rpci->waitq);
return res;
}
-EXPORT_SYMBOL(rpc_queue_upcall);
+EXPORT_SYMBOL_GPL(rpc_queue_upcall);
static inline void
rpc_inode_setowner(struct inode *inode, void *private)
rpc_pipe_open(struct inode *inode, struct file *filp)
{
struct rpc_inode *rpci = RPC_I(inode);
+ int first_open;
int res = -ENXIO;
mutex_lock(&inode->i_mutex);
- if (rpci->ops != NULL) {
- if (filp->f_mode & FMODE_READ)
- rpci->nreaders ++;
- if (filp->f_mode & FMODE_WRITE)
- rpci->nwriters ++;
- res = 0;
+ if (rpci->ops == NULL)
+ goto out;
+ first_open = rpci->nreaders == 0 && rpci->nwriters == 0;
+ if (first_open && rpci->ops->open_pipe) {
+ res = rpci->ops->open_pipe(inode);
+ if (res)
+ goto out;
}
+ if (filp->f_mode & FMODE_READ)
+ rpci->nreaders++;
+ if (filp->f_mode & FMODE_WRITE)
+ rpci->nwriters++;
+ res = 0;
+out:
mutex_unlock(&inode->i_mutex);
return res;
}
mnt = rpc_get_mount();
if (IS_ERR(mnt)) {
printk(KERN_WARNING "%s: %s failed to mount "
- "pseudofilesystem \n", __FILE__, __FUNCTION__);
+ "pseudofilesystem \n", __FILE__, __func__);
return PTR_ERR(mnt);
}
if (vfs_path_lookup(mnt->mnt_root, mnt, path, LOOKUP_PARENT, nd)) {
printk(KERN_WARNING "%s: %s failed to find path %s\n",
- __FILE__, __FUNCTION__, path);
+ __FILE__, __func__, path);
rpc_put_mount();
return -ENOENT;
}
out_bad:
mutex_unlock(&dir->i_mutex);
printk(KERN_WARNING "%s: %s failed to populate directory %s\n",
- __FILE__, __FUNCTION__, parent->d_name.name);
+ __FILE__, __func__, parent->d_name.name);
return -ENOMEM;
}
return 0;
out_err:
printk(KERN_WARNING "%s: %s failed to allocate inode for dentry %s\n",
- __FILE__, __FUNCTION__, dentry->d_name.name);
+ __FILE__, __func__, dentry->d_name.name);
return -ENOMEM;
}
err_dput:
dput(dentry);
printk(KERN_WARNING "%s: %s() failed to create directory %s (errno = %d)\n",
- __FILE__, __FUNCTION__, path, error);
+ __FILE__, __func__, path, error);
dentry = ERR_PTR(error);
goto out;
}
* @name: name of pipe
* @private: private data to associate with the pipe, for the caller's use
* @ops: operations defining the behavior of the pipe: upcall, downcall,
- * release_pipe, and destroy_msg.
+ * release_pipe, open_pipe, and destroy_msg.
* @flags: rpc_inode flags
*
* Data is made available for userspace to read by calls to
dput(dentry);
dentry = ERR_PTR(-ENOMEM);
printk(KERN_WARNING "%s: %s() failed to create pipe %s/%s (errno = %d)\n",
- __FILE__, __FUNCTION__, parent->d_name.name, name,
+ __FILE__, __func__, parent->d_name.name, name,
-ENOMEM);
goto out;
}
-EXPORT_SYMBOL(rpc_mkpipe);
+EXPORT_SYMBOL_GPL(rpc_mkpipe);
/**
* rpc_unlink - remove a pipe
dput(parent);
return error;
}
-EXPORT_SYMBOL(rpc_unlink);
+EXPORT_SYMBOL_GPL(rpc_unlink);
/*
* populate the filesystem
};
static void
-init_once(struct kmem_cache * cachep, void *foo)
+init_once(void *foo)
{
struct rpc_inode *rpci = (struct rpc_inode *) foo;