int fuse_internal_init_callback(struct fuse_ticket *tick, struct uio *uio) { int err = 0; struct fuse_data *data = tick->tk_data; struct fuse_init_out *fiio; if ((err = tick->tk_aw_ohead.error)) { goto out; } if ((err = fticket_pull(tick, uio))) { goto out; } fiio = fticket_resp(tick)->base; /* XXX: Do we want to check anything further besides this? */ if (fiio->major < 7) { debug_printf("userpace version too low\n"); err = EPROTONOSUPPORT; goto out; } data->fuse_libabi_major = fiio->major; data->fuse_libabi_minor = fiio->minor; if (fuse_libabi_geq(data, 7, 5)) { if (fticket_resp(tick)->len == sizeof(struct fuse_init_out)) { data->max_write = fiio->max_write; } else { err = EINVAL; } } else { /* Old fix values */ data->max_write = 4096; } out: if (err) { fdata_set_dead(data); } FUSE_LOCK(); data->dataflags |= FSESS_INITED; wakeup(&data->ticketer); FUSE_UNLOCK(); return 0; }
static int fuse_standard_handler(struct fuse_ticket *ftick, struct uio *uio) { int err = 0; debug_printf("ftick=%p, uio=%p\n", ftick, uio); err = fticket_pull(ftick, uio); fuse_lck_mtx_lock(ftick->tk_aw_mtx); if (!fticket_answered(ftick)) { fticket_set_answered(ftick); ftick->tk_aw_errno = err; wakeup(ftick); } fuse_lck_mtx_unlock(ftick->tk_aw_mtx); return err; }