sas_disable_tlr – setting TLR flags Synopsis void sas_disable_tlr(struct scsi_device *sdev); Arguments sdev scsi device struct Description Seting tlr_enabled flag to 0. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
sas_attach_transport – instantiate SAS transport template Synopsis struct scsi_transport_template *sas_attach_transport(struct sas_function_template *ft); Arguments ft SAS transport class function template Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
samples_to_bytes – Unit conversion of the size from samples to bytes Synopsis ssize_t samples_to_bytes(struct snd_pcm_runtime * runtime, ssize_t size); Arguments runtime PCM runtime instance size size in samples Copyright
rq_ioc – determine io_context for request allocation Synopsis struct io_context *rq_ioc(struct bio *bio); Arguments bio request being allocated is for this bio (can be NULL) Description Determine io_context to use for request allocation for bio. May return NULL if current->io_context doesn’t exist. Copyright
rq_flush_dcache_pages – Helper function to flush all pages in a request Synopsis void rq_flush_dcache_pages(struct request *rq); Arguments rq the request to be flushed Description Flush all pages in rq. Copyright
rps_may_expire_flow – check whether an RFS hardware filter may be removed Synopsis bool rps_may_expire_flow(struct net_device * dev, u16 rxq_index, u32 flow_id, u16 filter_id); Arguments dev Device on which the filter was set rxq_index RX queue index flow_id Flow ID passed to ndo_rx_flow_steer filter_id Filter ID returned by ndo_rx_flow_steer Description Drivers that implement ndo_rx_flow_steer should periodically call this function for each…
rpcb_getport_async – obtain the port for a given RPC service on a given host Synopsis void rpcb_getport_async(struct rpc_task *task); Arguments task task that is waiting for portmapper request Description This one can be called for an ongoing RPC request, and can be used in an async (rpciod) context. Copyright
rpc_wake_up_status – wake up all rpc_tasks and set their status value. Synopsis void rpc_wake_up_status(struct rpc_wait_queue *queue, int status); Arguments queue rpc_wait_queue on which the tasks are sleeping status status value to set Description Grabs queue->lock Copyright
rpc_wake_up – wake up all rpc_tasks Synopsis void rpc_wake_up(struct rpc_wait_queue *queue); Arguments queue rpc_wait_queue on which the tasks are sleeping Description Grabs queue->lock Copyright
rpc_unlink – remove a pipe Synopsis int rpc_unlink(struct dentry *dentry); Arguments dentry dentry for the pipe, as returned from rpc_mkpipe Description After this call, lookups will no longer find the pipe, and any attempts to read or write using preexisting opens of the pipe will return -EPIPE. Copyright
rpc_switch_client_transport – Synopsis int rpc_switch_client_transport(struct rpc_clnt *clnt, struct xprt_create *args, const struct rpc_timeout *timeout); Arguments clnt pointer to a struct rpc_clnt args pointer to the new transport arguments timeout pointer to the new timeout parameters Description This function allows the caller to switch the RPC transport for the rpc_clnt structure ‘clnt’ to allow it to…
rpc_run_task – Allocate a new RPC task, then run rpc_execute against it Synopsis struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data); Arguments task_setup_data pointer to task initialisation data Copyright
rpc_remove_pipe_dir_object – remove a rpc_pipe_dir_object from a directory Synopsis void rpc_remove_pipe_dir_object(struct net *net, struct rpc_pipe_dir_head *pdh, struct rpc_pipe_dir_object *pdo); Arguments net pointer to struct net pdh pointer to struct rpc_pipe_dir_head pdo pointer to struct rpc_pipe_dir_object Copyright
rpc_queue_upcall – queue an upcall message to userspace Synopsis int rpc_queue_upcall(struct rpc_pipe *pipe, struct rpc_pipe_msg *msg); Arguments pipe upcall pipe on which to queue given message msg message to queue Description Call with an inode created by rpc_mkpipe to queue an upcall. A userspace process may then later read the upcall by performing a read…
rpc_protocol – Get transport protocol number for an RPC client Synopsis int rpc_protocol(struct rpc_clnt *clnt); Arguments clnt RPC client to query Copyright
rpc_peeraddr2str – return remote peer address in printable format Synopsis const char *rpc_peeraddr2str(struct rpc_clnt *clnt, enum rpc_display_format_t format); Arguments clnt RPC client structure format address format Description NB: the lifetime of the memory referenced by the returned pointer is the same as the rpc_xprt itself. As long as the caller uses this pointer, it must…
rpc_peeraddr – extract remote peer address from clnt’s xprt Synopsis size_t rpc_peeraddr(struct rpc_clnt *clnt, struct sockaddr *buf, size_t bufsize); Arguments clnt RPC client structure buf target buffer bufsize length of target buffer Description Returns the number of bytes that are actually in the stored address. Copyright
rpc_net_ns – Get the network namespace for this RPC client Synopsis struct net *rpc_net_ns(struct rpc_clnt *clnt); Arguments clnt RPC client to query Copyright
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…
rpc_max_payload – Get maximum payload size for a transport, in bytes Synopsis size_t rpc_max_payload(struct rpc_clnt *clnt); Arguments clnt RPC client to query Description For stream transports, this is one RPC record fragment (see RFC 1831), as we don’t support multi-record requests yet. For datagram transports, this is the size of an IP packet minus the…