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Diffstat (limited to 'include/linux/sunrpc/rpc_pipe_fs.h')
-rw-r--r--include/linux/sunrpc/rpc_pipe_fs.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index cd188a527d16..2cb406f8ff4e 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -92,8 +92,13 @@ extern ssize_t rpc_pipe_generic_upcall(struct file *, struct rpc_pipe_msg *,
char __user *, size_t);
extern int rpc_queue_upcall(struct rpc_pipe *, struct rpc_pipe_msg *);
+/* returns true if the msg is in-flight, i.e., already eaten by the peer */
+static inline bool rpc_msg_is_inflight(const struct rpc_pipe_msg *msg) {
+ return (msg->copied != 0 && list_empty(&msg->list));
+}
+
struct rpc_clnt;
-extern struct dentry *rpc_create_client_dir(struct dentry *, const char *, struct rpc_clnt *);
+extern int rpc_create_client_dir(struct dentry *, const char *, struct rpc_clnt *);
extern int rpc_remove_client_dir(struct rpc_clnt *);
extern void rpc_init_pipe_dir_head(struct rpc_pipe_dir_head *pdh);
@@ -122,9 +127,9 @@ extern void rpc_remove_cache_dir(struct dentry *);
struct rpc_pipe *rpc_mkpipe_data(const struct rpc_pipe_ops *ops, int flags);
void rpc_destroy_pipe_data(struct rpc_pipe *pipe);
-extern struct dentry *rpc_mkpipe_dentry(struct dentry *, const char *, void *,
+extern int rpc_mkpipe_dentry(struct dentry *, const char *, void *,
struct rpc_pipe *);
-extern int rpc_unlink(struct dentry *);
+extern void rpc_unlink(struct rpc_pipe *);
extern int register_rpc_pipefs(void);
extern void unregister_rpc_pipefs(void);