diff options
Diffstat (limited to 'net/sunrpc/rpc_pipe.c')
| -rw-r--r-- | net/sunrpc/rpc_pipe.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 81e00a6c19d..16a2458f38f 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -39,23 +39,26 @@ static kmem_cache_t *rpc_inode_cachep __read_mostly; #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); } @@ -115,6 +118,7 @@ rpc_close_pipes(struct inode *inode) 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) @@ -170,7 +174,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp) 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); } @@ -179,7 +183,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp) 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: |