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path: root/fs/afs/main.c
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Diffstat (limited to 'fs/afs/main.c')
-rw-r--r--fs/afs/main.c145
1 files changed, 97 insertions, 48 deletions
diff --git a/fs/afs/main.c b/fs/afs/main.c
index 9944770849da..15a02a05ff40 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -31,57 +31,112 @@ static char *rootcell;
module_param(rootcell, charp, 0);
MODULE_PARM_DESC(rootcell, "root AFS cell name and VL server IP addr list");
-struct afs_uuid afs_uuid;
struct workqueue_struct *afs_wq;
+struct afs_net __afs_net;
/*
- * initialise the AFS client FS module
+ * Initialise an AFS network namespace record.
*/
-static int __init afs_init(void)
+static int __net_init afs_net_init(struct afs_net *net)
{
int ret;
- printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
+ net->live = true;
+ generate_random_uuid((unsigned char *)&net->uuid);
- generate_random_uuid((unsigned char *)&afs_uuid);
+ INIT_WORK(&net->charge_preallocation_work, afs_charge_preallocation);
+ mutex_init(&net->socket_mutex);
- /* create workqueue */
- ret = -ENOMEM;
- afs_wq = alloc_workqueue("afs", 0, 0);
- if (!afs_wq)
- return ret;
+ 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);
- /* register the /proc stuff */
- ret = afs_proc_init();
- if (ret < 0)
- goto error_proc;
+ spin_lock_init(&net->proc_cells_lock);
+ INIT_LIST_HEAD(&net->proc_cells);
-#ifdef CONFIG_AFS_FSCACHE
- /* we want to be able to cache */
- ret = fscache_register_netfs(&afs_cache_netfs);
+ 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);
+
+ /* Register the /proc stuff */
+ ret = afs_proc_init(net);
if (ret < 0)
- goto error_cache;
-#endif
+ goto error_proc;
- /* initialise the cell DB */
- ret = afs_cell_init(rootcell);
+ /* Initialise the cell DB */
+ ret = afs_cell_init(net, rootcell);
if (ret < 0)
goto error_cell_init;
- /* initialise the VL update process */
- ret = afs_vlocation_update_init();
+ /* Create the RxRPC transport */
+ ret = afs_open_socket(net);
if (ret < 0)
- goto error_vl_update_init;
+ goto error_open_socket;
- /* initialise the callback update process */
- ret = afs_callback_update_init();
+ 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:
+ net->live = false;
+ return ret;
+}
+
+/*
+ * Clean up and destroy an AFS network namespace record.
+ */
+static void __net_exit afs_net_exit(struct afs_net *net)
+{
+ net->live = false;
+ afs_cell_purge(net);
+ afs_purge_servers(net);
+ afs_close_socket(net);
+ afs_proc_cleanup(net);
+}
+
+/*
+ * initialise the AFS client FS module
+ */
+static int __init afs_init(void)
+{
+ int ret = -ENOMEM;
+
+ printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
+
+ afs_wq = alloc_workqueue("afs", 0, 0);
+ if (!afs_wq)
+ goto error_afs_wq;
+ afs_async_calls = alloc_workqueue("kafsd", WQ_MEM_RECLAIM, 0);
+ if (!afs_async_calls)
+ goto error_async;
+ afs_lock_manager = alloc_workqueue("kafs_lockd", WQ_MEM_RECLAIM, 0);
+ if (!afs_lock_manager)
+ goto error_lockmgr;
+
+#ifdef CONFIG_AFS_FSCACHE
+ /* we want to be able to cache */
+ ret = fscache_register_netfs(&afs_cache_netfs);
if (ret < 0)
- goto error_callback_update_init;
+ goto error_cache;
+#endif
- /* create the RxRPC transport */
- ret = afs_open_socket();
+ ret = afs_net_init(&__afs_net);
if (ret < 0)
- goto error_open_socket;
+ goto error_net;
/* register the filesystems */
ret = afs_fs_init();
@@ -91,21 +146,18 @@ static int __init afs_init(void)
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:
+ afs_net_exit(&__afs_net);
+error_net:
#ifdef CONFIG_AFS_FSCACHE
fscache_unregister_netfs(&afs_cache_netfs);
error_cache:
#endif
- afs_proc_cleanup();
-error_proc:
+ destroy_workqueue(afs_lock_manager);
+error_lockmgr:
+ destroy_workqueue(afs_async_calls);
+error_async:
destroy_workqueue(afs_wq);
+error_afs_wq:
rcu_barrier();
printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
return ret;
@@ -124,17 +176,14 @@ 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();
+ afs_net_exit(&__afs_net);
#ifdef CONFIG_AFS_FSCACHE
fscache_unregister_netfs(&afs_cache_netfs);
#endif
- afs_proc_cleanup();
+ destroy_workqueue(afs_lock_manager);
+ destroy_workqueue(afs_async_calls);
+ destroy_workqueue(afs_wq);
+ afs_clean_up_permit_cache();
rcu_barrier();
}