#define RPC_UPCALL_TIMEOUT (30*HZ)
static void
-__rpc_purge_upcall(struct inode *inode, int err)
+__rpc_purge_list(struct rpc_inode *rpci, struct list_head *head, int err)
{
- struct rpc_inode *rpci = RPC_I(inode);
struct rpc_pipe_msg *msg;
+ void (*destroy_msg)(struct rpc_pipe_msg *);
- while (!list_empty(&rpci->pipe)) {
- msg = list_entry(rpci->pipe.next, struct rpc_pipe_msg, list);
- list_del_init(&msg->list);
- msg->errno = err;
- rpci->ops->destroy_msg(msg);
- }
- while (!list_empty(&rpci->in_upcall)) {
- msg = list_entry(rpci->pipe.next, struct rpc_pipe_msg, list);
+ destroy_msg = rpci->ops->destroy_msg;
+ while (!list_empty(head)) {
+ msg = list_entry(head->next, struct rpc_pipe_msg, list);
list_del_init(&msg->list);
msg->errno = err;
- rpci->ops->destroy_msg(msg);
+ destroy_msg(msg);
}
+}
+
+static void
+__rpc_purge_upcall(struct inode *inode, int err)
+{
+ struct rpc_inode *rpci = RPC_I(inode);
+
+ __rpc_purge_list(rpci, &rpci->pipe, err);
rpci->pipelen = 0;
wake_up(&rpci->waitq);
}
struct inode *inode = &rpci->vfs_inode;
down(&inode->i_sem);
+ if (rpci->ops == NULL)
+ goto out;
if (rpci->nreaders == 0 && !list_empty(&rpci->pipe))
__rpc_purge_upcall(inode, -ETIMEDOUT);
+out:
up(&inode->i_sem);
}
{
struct rpc_inode *rpci = RPC_I(inode);
- cancel_delayed_work(&rpci->queue_timeout);
- flush_scheduled_work();
down(&inode->i_sem);
if (rpci->ops != NULL) {
rpci->nreaders = 0;
+ __rpc_purge_list(rpci, &rpci->in_upcall, -EPIPE);
__rpc_purge_upcall(inode, -EPIPE);
rpci->nwriters = 0;
if (rpci->ops->release_pipe)
}
rpc_inode_setowner(inode, NULL);
up(&inode->i_sem);
+ cancel_delayed_work(&rpci->queue_timeout);
+ flush_scheduled_work();
}
static struct inode *
static int
rpc_pipe_release(struct inode *inode, struct file *filp)
{
- struct rpc_inode *rpci = RPC_I(filp->f_dentry->d_inode);
+ struct rpc_inode *rpci = RPC_I(inode);
struct rpc_pipe_msg *msg;
down(&inode->i_sem);
goto out;
msg = (struct rpc_pipe_msg *)filp->private_data;
if (msg != NULL) {
- msg->errno = -EPIPE;
+ msg->errno = -EAGAIN;
list_del_init(&msg->list);
rpci->ops->destroy_msg(msg);
}
if (filp->f_mode & FMODE_READ)
rpci->nreaders --;
if (!rpci->nreaders)
- __rpc_purge_upcall(inode, -EPIPE);
+ __rpc_purge_upcall(inode, -EAGAIN);
if (rpci->ops->release_pipe)
rpci->ops->release_pipe(inode);
out: