- added comment in mds_open() and GNS mount points.

[fs/lustre-release.git] / lustre / llite / super25.c

diff --git a/lustre/llite/super25.c b/lustre/llite/super25.c
index 1f5425e..22c165a 100644 (file)
--- a/lustre/llite/super25.c
+++ b/lustre/llite/super25.c
@@ -93,8 +93,8 @@ int ll_init_inodecache(void)
 
 void ll_destroy_inodecache(void)
 {
-        if (kmem_cache_destroy(ll_inode_cachep))
-                CERROR("ll_inode_cache: not all structures were freed\n");
+        LASSERTF(kmem_cache_destroy(ll_inode_cachep) == 0,
+                 "ll_inode_cache: not all structures were freed\n");
 }
 
 /* exported operations */
@@ -114,7 +114,7 @@ struct file_system_type lustre_lite_fs_type = {
         .name         = "lustre_lite",
         .get_sb       = ll_get_sb,
         .kill_sb      = kill_anon_super,
-        .fs_flags     = FS_BINARY_MOUNTDATA,
+        .fs_flags     = FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
 };
 
 struct file_system_type lustre_fs_type = {
@@ -122,33 +122,63 @@ struct file_system_type lustre_fs_type = {
         .name         = "lustre",
         .get_sb       = lustre_get_sb,
         .kill_sb      = kill_anon_super,
-        .fs_flags     = FS_BINARY_MOUNTDATA,
+        .fs_flags     = FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
 };
 
 static int __init init_lustre_lite(void)
 {
-        int rc;
+        int rc, cleanup = 0;
+
         printk(KERN_INFO "Lustre: Lustre Lite Client File System; "
                "info@clusterfs.com\n");
+
         rc = ll_init_inodecache();
         if (rc)
                 return -ENOMEM;
+
         ll_file_data_slab = kmem_cache_create("ll_file_data",
                                               sizeof(struct ll_file_data), 0,
                                               SLAB_HWCACHE_ALIGN, NULL, NULL);
         if (ll_file_data_slab == NULL) {
+                rc = -ENOMEM;
+                goto out;
+        }
+        ll_intent_slab = kmem_cache_create("lustre_intent_data",
+                                              sizeof(struct lustre_intent_data),
+                                              0, SLAB_HWCACHE_ALIGN, NULL,
+                                              NULL);
+        if (ll_intent_slab == NULL) {
+                kmem_cache_destroy(ll_file_data_slab);
                 ll_destroy_inodecache();
                 return -ENOMEM;
         }
 
+
         proc_lustre_fs_root = proc_lustre_root ?
                               proc_mkdir("llite", proc_lustre_root) : NULL;
 
         rc = register_filesystem(&lustre_lite_fs_type);
-        if (!rc) {
-                rc = register_filesystem(&lustre_fs_type);
-                if (rc)
-                        unregister_filesystem(&lustre_fs_type);
+        if (rc)
+                goto out;
+        cleanup = 1;
+
+        rc = register_filesystem(&lustre_fs_type);
+        if (rc)
+                goto out;
+        cleanup = 2;
+
+        rc = ll_gns_start_thread();
+        if (rc)
+                goto out;
+        return 0;
+out:
+        switch (cleanup) {
+        case 2:
+                unregister_filesystem(&lustre_fs_type);
+        case 1:
+                unregister_filesystem(&lustre_lite_fs_type);
+        case 0:
+               ll_destroy_inodecache();
         }
         return rc;
 }
@@ -158,7 +188,13 @@ static void __exit exit_lustre_lite(void)
         unregister_filesystem(&lustre_fs_type);
         unregister_filesystem(&lustre_lite_fs_type);
         ll_destroy_inodecache();
-        kmem_cache_destroy(ll_file_data_slab);
+
+        ll_gns_stop_thread();
+        
+        LASSERTF(kmem_cache_destroy(ll_file_data_slab) == 0,
+                 "couldn't destroy ll_file_data slab\n");
+        LASSERTF(kmem_cache_destroy(ll_intent_slab) == 0,
+                 "couldn't destroy ll_intent_slab slab\n");
         if (proc_lustre_fs_root) {
                 lprocfs_remove(proc_lustre_fs_root);
                 proc_lustre_fs_root = NULL;