lib/fuse_i.h

   1 /*
   2   FUSE: Filesystem in Userspace
   3   Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
   4
   5   This program can be distributed under the terms of the GNU LGPLv2.
   6   See the file COPYING.LIB
   7 */
   8
   9 #include "fuse.h"
  10 #include "fuse_lowlevel.h"
  11
  12 struct fuse_chan;
  13 struct fuse_ll;
  14
  15 struct fuse_session {
  16         struct fuse_session_ops op;
  17
  18         void *data;
  19
  20         volatile int exited;
  21
  22         struct fuse_chan *ch;
  23 };
  24
  25 struct fuse_req {
  26         struct fuse_ll *f;
  27         uint64_t unique;
  28         int ctr;
  29         pthread_mutex_t lock;
  30         struct fuse_ctx ctx;
  31         struct fuse_chan *ch;
  32         int interrupted;
  33         union {
  34                 struct {
  35                         uint64_t unique;
  36                 } i;
  37                 struct {
  38                         fuse_interrupt_func_t func;
  39                         void *data;
  40                 } ni;
  41         } u;
  42         struct fuse_req *next;
  43         struct fuse_req *prev;
  44 };
  45
  46 struct fuse_ll {
  47         int debug;
  48         int allow_root;
  49         int atomic_o_trunc;
  50         int no_remote_lock;
  51         int big_writes;
  52         struct fuse_lowlevel_ops op;
  53         int got_init;
  54         struct cuse_data *cuse_data;
  55         void *userdata;
  56         uid_t owner;
  57         struct fuse_conn_info conn;
  58         struct fuse_req list;
  59         struct fuse_req interrupts;
  60         pthread_mutex_t lock;
  61         int got_destroy;
  62 };
  63
  64 struct fuse_cmd {
  65         char *buf;
  66         size_t buflen;
  67         struct fuse_chan *ch;
  68 };
  69
  70 struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
  71                              const struct fuse_operations *op,
  72                              size_t op_size, void *user_data, int compat);
  73
  74 int fuse_sync_compat_args(struct fuse_args *args);
  75
  76 struct fuse_chan *fuse_kern_chan_new(int fd);
  77
  78 struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args,
  79                                         const struct fuse_lowlevel_ops *op,
  80                                         size_t op_size, void *userdata);
  81
  82 void fuse_kern_unmount_compat22(const char *mountpoint);
  83 void fuse_kern_unmount(const char *mountpoint, int fd);
  84 int fuse_kern_mount(const char *mountpoint, struct fuse_args *args);
  85
  86 int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov,
  87                                int count);
  88 void fuse_free_req(fuse_req_t req);
  89
  90
  91 struct fuse *fuse_setup_common(int argc, char *argv[],
  92                                const struct fuse_operations *op,
  93                                size_t op_size,
  94                                char **mountpoint,
  95                                int *multithreaded,
  96                                int *fd,
  97                                void *user_data,
  98                                int compat);
  99
 100 void cuse_lowlevel_init(fuse_req_t req, fuse_ino_t nodeide, const void *inarg);