void osd_fini(void)
{
#ifdef HAVE_LDISKFS_OSD
ldiskfs_fini();
#endif /* HAVE_LDISKFS_OSD */
#ifdef HAVE_ZFS_OSD
zfs_fini();
#endif /* HAVE_ZFS_OSD */
}
int
zfs_module_stop(__unused kmod_info_t *ki, __unused void *data)
{
if (zfs_active_fs_count != 0 ||
spa_busy() ||
zvol_busy() ||
vfs_fsremove(zfs_vfsconf) != 0) {
return KERN_FAILURE; /* ZFS Still busy! */
}
zfs_fini();
printf("zfs_module_stop: memory footprint %d (kalloc %d, kernel %d)\n",
zfs_footprint.current, zfs_kallocmap_size, zfs_kernelmap_size);
return KERN_SUCCESS;
}
int zfs_init(void)
{
int ret = 0;
/* If the ZFS libs are not installed, don't print an error to avoid
* spamming ldiskfs users. An error message will still be printed if
* someone tries to do some real work involving a ZFS backend */
handle_libzfs = dlopen("libzfs.so", RTLD_LAZY);
if (handle_libzfs == NULL)
return EINVAL;
handle_nvpair = dlopen("libnvpair.so", RTLD_LAZY);
if (handle_nvpair == NULL) {
ret = EINVAL;
goto out;
}
ret = zfs_populate_symbols();
if (ret)
goto out;
if (libzfs_load_module("zfs") != 0) {
/* The ZFS modules are not installed */
ret = EINVAL;
goto out;
}
g_zfs = libzfs_init();
if (g_zfs == NULL) {
fprintf(stderr, "Failed to initialize ZFS library\n");
ret = EINVAL;
}
out:
osd_zfs_setup = 1;
if (ret)
zfs_fini();
return ret;
}
