RPC_MKPIPE_DENTRY(9) Linux Networking RPC_MKPIPE_DENTRY(9)
NAME
rpc_mkpipe_dentry - make an rpc_pipefs file for kernel<->userspace communication
SYNOPSIS
struct dentry * rpc_mkpipe_dentry(struct dentry * parent, const char * name, void * private, struct rpc_pipe * pipe);
ARGUMENTS
parent
dentry of directory to create new "pipe" in
name
name of pipe
private
private data to associate with the pipe, for the caller's use
pipe
rpc_pipe containing input parameters
DESCRIPTION
Data is made available for userspace to read by calls to rpc_queue_upcall. The actual reads will result in calls to ops->upcall, which will
be called with the file pointer, message, and userspace buffer to copy to.
Writes can come at any time, and do not necessarily have to be responses to upcalls. They will result in calls to msg->downcall.
The private argument passed here will be available to all these methods from the file pointer, via RPC_I(file_inode(file))->private.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 RPC_MKPIPE_DENTRY(9)
