int afs_module_handler(module_t mod, int what, void *arg) { static int inited = 0; int error = 0; switch (what) { case MOD_LOAD: if (inited) { printf("afs cannot be MOD_LOAD'd more than once\n"); error = EBUSY; break; } memset(&afs_vfsconf, 0, sizeof(struct vfsconf)); #ifdef AFS_FBSD53_ENV afs_vfsconf.vfc_version = VFS_VERSION; #endif strcpy(afs_vfsconf.vfc_name, "AFS"); afs_vfsconf.vfc_vfsops = &afs_vfsops; afs_vfsconf.vfc_typenum = -1; /* set by vfs_register */ afs_vfsconf.vfc_flags = VFCF_NETWORK; if ((error = vfs_register(&afs_vfsconf)) != 0) break; vfs_add_vnodeops(&afs_vnodeop_opv_desc); inited = 1; break; case MOD_UNLOAD: #ifndef RXK_LISTENER_ENV /* shutdown is incomplete unless RXK_LISTENER_ENV */ printf("afs: I can't be unloaded yet\n"); return -1; #endif if (!inited) { error = 0; break; } if ((error = vfs_unregister(&afs_vfsconf)) != 0) { break; } vfs_rm_vnodeops(&afs_vnodeop_opv_desc); break; } return (error); }
/* * Standard kernel module handling code for filesystem modules. * Referenced from VFS_SET(). */ int vfs_modevent(module_t mod, int type, void *data) { struct vfsconf *vfc; int error = 0; vfc = (struct vfsconf *)data; switch (type) { case MOD_LOAD: if (vfc) error = vfs_register(vfc); break; case MOD_UNLOAD: if (vfc) error = vfs_unregister(vfc); break; default: error = EOPNOTSUPP; break; } return (error); }