Пример #1
0
/*
 * Register the NFS filesystems
 */
int __init register_nfs_fs(void)
{
	int ret;

        ret = register_filesystem(&nfs_fs_type);
	if (ret < 0)
		goto error_0;

	ret = nfs_register_sysctl();
	if (ret < 0)
		goto error_1;
#ifdef CONFIG_NFS_V4
	ret = register_filesystem(&nfs4_fs_type);
	if (ret < 0)
		goto error_2;
#endif
	acl_shrinker = set_shrinker(DEFAULT_SEEKS, nfs_access_cache_shrinker);
	return 0;

#ifdef CONFIG_NFS_V4
error_2:
	nfs_unregister_sysctl();
#endif
error_1:
	unregister_filesystem(&nfs_fs_type);
error_0:
	return ret;
}
Пример #2
0
int sptlrpc_enc_pool_init(void)
{
	DEF_SHRINKER_VAR(shvar, enc_pools_shrink,
			 enc_pools_shrink_count, enc_pools_shrink_scan);
	/*
	 * maximum capacity is 1/8 of total physical memory.
	 * is the 1/8 a good number?
	 */
	page_pools.epp_max_pages = totalram_pages / 8;
	page_pools.epp_max_pools = npages_to_npools(page_pools.epp_max_pages);

	init_waitqueue_head(&page_pools.epp_waitq);
	page_pools.epp_waitqlen = 0;
	page_pools.epp_pages_short = 0;

        page_pools.epp_growing = 0;

        page_pools.epp_idle_idx = 0;
        page_pools.epp_last_shrink = cfs_time_current_sec();
        page_pools.epp_last_access = cfs_time_current_sec();

	spin_lock_init(&page_pools.epp_lock);
        page_pools.epp_total_pages = 0;
        page_pools.epp_free_pages = 0;

        page_pools.epp_st_max_pages = 0;
        page_pools.epp_st_grows = 0;
        page_pools.epp_st_grow_fails = 0;
        page_pools.epp_st_shrinks = 0;
        page_pools.epp_st_access = 0;
        page_pools.epp_st_missings = 0;
        page_pools.epp_st_lowfree = 0;
        page_pools.epp_st_max_wqlen = 0;
        page_pools.epp_st_max_wait = 0;

        enc_pools_alloc();
        if (page_pools.epp_pools == NULL)
                return -ENOMEM;

	pools_shrinker = set_shrinker(pools_shrinker_seeks, &shvar);
        if (pools_shrinker == NULL) {
                enc_pools_free();
                return -ENOMEM;
        }

        return 0;
}