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Release 4.12 include/linux/sunrpc/rpc_pipe_fs.h



#ifdef __KERNEL__

#include <linux/workqueue.h>

struct rpc_pipe_dir_head {
struct list_head pdh_entries;
struct dentry *pdh_dentry;

struct rpc_pipe_dir_object_ops;

struct rpc_pipe_dir_object {
struct list_head pdo_head;
const struct rpc_pipe_dir_object_ops *pdo_ops;

void *pdo_data;

struct rpc_pipe_dir_object_ops {
int (*create)(struct dentry *dir,
			struct rpc_pipe_dir_object *pdo);
void (*destroy)(struct dentry *dir,
			struct rpc_pipe_dir_object *pdo);

struct rpc_pipe_msg {
struct list_head list;
void *data;
size_t len;
size_t copied;
int errno;

struct rpc_pipe_ops {
ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t);
ssize_t (*downcall)(struct file *, const char __user *, size_t);
void (*release_pipe)(struct inode *);
int (*open_pipe)(struct inode *);
void (*destroy_msg)(struct rpc_pipe_msg *);

struct rpc_pipe {
struct list_head pipe;
struct list_head in_upcall;
struct list_head in_downcall;
int pipelen;
int nreaders;
int nwriters;

int flags;
struct delayed_work queue_timeout;
const struct rpc_pipe_ops *ops;
spinlock_t lock;
struct dentry *dentry;

struct rpc_inode {
struct inode vfs_inode;
void *private;
struct rpc_pipe *pipe;
wait_queue_head_t waitq;

static inline struct rpc_inode * RPC_I(struct inode *inode) { return container_of(inode, struct rpc_inode, vfs_inode); }


Trond Myklebust25100.00%1100.00%

enum { SUNRPC_PIPEFS_NFS_PRIO, SUNRPC_PIPEFS_RPC_PRIO, }; extern int rpc_pipefs_notifier_register(struct notifier_block *); extern void rpc_pipefs_notifier_unregister(struct notifier_block *); enum { RPC_PIPEFS_MOUNT, RPC_PIPEFS_UMOUNT, }; extern struct dentry *rpc_d_lookup_sb(const struct super_block *sb, const unsigned char *dir_name); extern int rpc_pipefs_init_net(struct net *net); extern void rpc_pipefs_exit_net(struct net *net); extern struct super_block *rpc_get_sb_net(const struct net *net); extern void rpc_put_sb_net(const struct net *net); 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 *); struct rpc_clnt; extern struct dentry *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); extern void rpc_init_pipe_dir_object(struct rpc_pipe_dir_object *pdo, const struct rpc_pipe_dir_object_ops *pdo_ops, void *pdo_data); extern int rpc_add_pipe_dir_object(struct net *net, struct rpc_pipe_dir_head *pdh, struct rpc_pipe_dir_object *pdo); extern void rpc_remove_pipe_dir_object(struct net *net, struct rpc_pipe_dir_head *pdh, struct rpc_pipe_dir_object *pdo); extern struct rpc_pipe_dir_object *rpc_find_or_alloc_pipe_dir_object( struct net *net, struct rpc_pipe_dir_head *pdh, int (*match)(struct rpc_pipe_dir_object *, void *), struct rpc_pipe_dir_object *(*alloc)(void *), void *data); struct cache_detail; extern struct dentry *rpc_create_cache_dir(struct dentry *, const char *, umode_t umode, struct cache_detail *); extern void rpc_remove_cache_dir(struct dentry *); extern int rpc_rmdir(struct dentry *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 *, struct rpc_pipe *); extern int rpc_unlink(struct dentry *); extern int register_rpc_pipefs(void); extern void unregister_rpc_pipefs(void); extern bool gssd_running(struct net *net); #endif #endif

Overall Contributors

Trond Myklebust46668.03%1443.75%
Stanislav Kinsbursky15122.04%928.12%
J. Bruce Fields213.07%39.38%
Jeff Layton213.07%26.25%
Peng Tao192.77%13.12%
Al Viro50.73%26.25%
Linus Torvalds20.29%13.12%
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