/*
* clean up on module removal
*/
static void __exit afs_exit(void)
{
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 unregistering.\n");
afs_fs_exit();
afs_close_socket();
afs_purge_servers();
afs_callback_update_kill();
afs_vlocation_purge();
flush_scheduled_work();
afs_cell_purge();
#ifdef AFS_CACHING_SUPPORT
cachefs_unregister_netfs(&afs_cache_netfs);
#endif
afs_proc_cleanup();
rcu_barrier();
}
/*
* clean up on module removal
*/
static void __exit afs_exit(void)
{
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 unregistering.\n");
afs_fs_exit();
afs_kill_lock_manager();
afs_close_socket();
afs_purge_servers();
afs_callback_update_kill();
afs_vlocation_purge();
destroy_workqueue(afs_wq);
afs_cell_purge();
#ifdef CONFIG_AFS_FSCACHE
fscache_unregister_netfs(&afs_cache_netfs);
#endif
afs_proc_cleanup();
rcu_barrier();
}
/*
* initialise the AFS client FS module
*/
static int __init afs_init(void)
{
int ret;
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
ret = afs_get_client_UUID();
if (ret < 0)
return ret;
/* create workqueue */
ret = -ENOMEM;
afs_wq = alloc_workqueue("afs", 0, 0);
if (!afs_wq)
return ret;
/* register the /proc stuff */
ret = afs_proc_init();
if (ret < 0)
goto error_proc;
#ifdef CONFIG_AFS_FSCACHE
/* we want to be able to cache */
ret = fscache_register_netfs(&afs_cache_netfs);
if (ret < 0)
goto error_cache;
#endif
/* initialise the cell DB */
ret = afs_cell_init(rootcell);
if (ret < 0)
goto error_cell_init;
/* initialise the VL update process */
ret = afs_vlocation_update_init();
if (ret < 0)
goto error_vl_update_init;
/* initialise the callback update process */
ret = afs_callback_update_init();
if (ret < 0)
goto error_callback_update_init;
/* create the RxRPC transport */
ret = afs_open_socket();
if (ret < 0)
goto error_open_socket;
/* register the filesystems */
ret = afs_fs_init();
if (ret < 0)
goto error_fs;
return ret;
error_fs:
afs_close_socket();
error_open_socket:
afs_callback_update_kill();
error_callback_update_init:
afs_vlocation_purge();
error_vl_update_init:
afs_cell_purge();
error_cell_init:
#ifdef CONFIG_AFS_FSCACHE
fscache_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
afs_proc_cleanup();
error_proc:
destroy_workqueue(afs_wq);
rcu_barrier();
printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
return ret;
}
/*
* initialise the AFS client FS module
*/
static int __init afs_init(void)
{
int ret;
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
ret = afs_get_client_UUID();
if (ret < 0)
return ret;
/* register the /proc stuff */
ret = afs_proc_init();
if (ret < 0)
return ret;
#ifdef AFS_CACHING_SUPPORT
/* we want to be able to cache */
ret = cachefs_register_netfs(&afs_cache_netfs,
&afs_cache_cell_index_def);
if (ret < 0)
goto error_cache;
#endif
/* initialise the cell DB */
ret = afs_cell_init(rootcell);
if (ret < 0)
goto error_cell_init;
/* initialise the VL update process */
ret = afs_vlocation_update_init();
if (ret < 0)
goto error_vl_update_init;
/* initialise the callback update process */
ret = afs_callback_update_init();
/* create the RxRPC transport */
ret = afs_open_socket();
if (ret < 0)
goto error_open_socket;
/* register the filesystems */
ret = afs_fs_init();
if (ret < 0)
goto error_fs;
return ret;
error_fs:
afs_close_socket();
error_open_socket:
error_vl_update_init:
error_cell_init:
#ifdef AFS_CACHING_SUPPORT
cachefs_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
afs_callback_update_kill();
afs_vlocation_purge();
afs_cell_purge();
afs_proc_cleanup();
rcu_barrier();
printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
return ret;
}
/*
* Initialise an AFS network namespace record.
*/
static int __net_init afs_net_init(struct afs_net *net)
{
struct afs_sysnames *sysnames;
int ret;
net->live = true;
generate_random_uuid((unsigned char *)&net->uuid);
INIT_WORK(&net->charge_preallocation_work, afs_charge_preallocation);
mutex_init(&net->socket_mutex);
net->cells = RB_ROOT;
seqlock_init(&net->cells_lock);
INIT_WORK(&net->cells_manager, afs_manage_cells);
timer_setup(&net->cells_timer, afs_cells_timer, 0);
spin_lock_init(&net->proc_cells_lock);
INIT_LIST_HEAD(&net->proc_cells);
seqlock_init(&net->fs_lock);
net->fs_servers = RB_ROOT;
INIT_LIST_HEAD(&net->fs_updates);
INIT_HLIST_HEAD(&net->fs_proc);
INIT_HLIST_HEAD(&net->fs_addresses4);
INIT_HLIST_HEAD(&net->fs_addresses6);
seqlock_init(&net->fs_addr_lock);
INIT_WORK(&net->fs_manager, afs_manage_servers);
timer_setup(&net->fs_timer, afs_servers_timer, 0);
ret = -ENOMEM;
sysnames = kzalloc(sizeof(*sysnames), GFP_KERNEL);
if (!sysnames)
goto error_sysnames;
sysnames->subs[0] = (char *)&afs_init_sysname;
sysnames->nr = 1;
refcount_set(&sysnames->usage, 1);
net->sysnames = sysnames;
rwlock_init(&net->sysnames_lock);
/* Register the /proc stuff */
ret = afs_proc_init(net);
if (ret < 0)
goto error_proc;
/* Initialise the cell DB */
ret = afs_cell_init(net, rootcell);
if (ret < 0)
goto error_cell_init;
/* Create the RxRPC transport */
ret = afs_open_socket(net);
if (ret < 0)
goto error_open_socket;
return 0;
error_open_socket:
net->live = false;
afs_cell_purge(net);
afs_purge_servers(net);
error_cell_init:
net->live = false;
afs_proc_cleanup(net);
error_proc:
afs_put_sysnames(net->sysnames);
error_sysnames:
net->live = false;
return ret;
}
static int __init afs_init(void)
{
int ret;
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
ret = afs_get_client_UUID();
if (ret < 0)
return ret;
/* */
ret = -ENOMEM;
afs_wq = alloc_workqueue("afs", 0, 0);
if (!afs_wq)
return ret;
/* */
ret = afs_proc_init();
if (ret < 0)
goto error_proc;
#ifdef CONFIG_AFS_FSCACHE
/* */
ret = fscache_register_netfs(&afs_cache_netfs);
if (ret < 0)
goto error_cache;
#endif
/* */
ret = afs_cell_init(rootcell);
if (ret < 0)
goto error_cell_init;
/* */
ret = afs_vlocation_update_init();
if (ret < 0)
goto error_vl_update_init;
/* */
ret = afs_callback_update_init();
if (ret < 0)
goto error_callback_update_init;
/* */
ret = afs_open_socket();
if (ret < 0)
goto error_open_socket;
/* */
ret = afs_fs_init();
if (ret < 0)
goto error_fs;
return ret;
error_fs:
afs_close_socket();
error_open_socket:
afs_callback_update_kill();
error_callback_update_init:
afs_vlocation_purge();
error_vl_update_init:
afs_cell_purge();
error_cell_init:
#ifdef CONFIG_AFS_FSCACHE
fscache_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
afs_proc_cleanup();
error_proc:
destroy_workqueue(afs_wq);
rcu_barrier();
printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
return ret;
}
