static int __init nilfs_init_cachep(void)
{
nilfs_inode_cachep = kmem_cache_create("nilfs2_inode_cache",
sizeof(struct nilfs_inode_info), 0,
SLAB_RECLAIM_ACCOUNT, nilfs_inode_init_once);
if (!nilfs_inode_cachep)
goto fail;
nilfs_transaction_cachep = kmem_cache_create("nilfs2_transaction_cache",
sizeof(struct nilfs_transaction_info), 0,
SLAB_RECLAIM_ACCOUNT, NULL);
if (!nilfs_transaction_cachep)
goto fail;
nilfs_segbuf_cachep = kmem_cache_create("nilfs2_segbuf_cache",
sizeof(struct nilfs_segment_buffer), 0,
SLAB_RECLAIM_ACCOUNT, nilfs_segbuf_init_once);
if (!nilfs_segbuf_cachep)
goto fail;
nilfs_btree_path_cache = kmem_cache_create("nilfs2_btree_path_cache",
sizeof(struct nilfs_btree_path) * NILFS_BTREE_LEVEL_MAX,
0, 0, NULL);
if (!nilfs_btree_path_cache)
goto fail;
return 0;
fail:
nilfs_destroy_cachep();
return -ENOMEM;
}
static int __init init_nilfs_fs(void)
{
int err;
err = nilfs_init_cachep();
if (err)
goto fail;
err = nilfs_sysfs_init();
if (err)
goto free_cachep;
err = register_filesystem(&nilfs_fs_type);
if (err)
goto deinit_sysfs_entry;
printk(KERN_INFO "NILFS version 2 loaded\n");
return 0;
deinit_sysfs_entry:
nilfs_sysfs_exit();
free_cachep:
nilfs_destroy_cachep();
fail:
return err;
}
static void __exit exit_nilfs_fs(void)
{
nilfs_destroy_cachep();
unregister_filesystem(&nilfs_fs_type);
}
