Function journal_init_journal_head_cache

Ext4Fsd/jbd/replay.c:221–237

#endif

static int journal_init_journal_head_cache(void)
{
    int retval;

    J_ASSERT(journal_head_cache == 0);
    journal_head_cache = kmem_cache_create("journal_head",
                                           sizeof(struct journal_head),
                                           0,		/* offset */
                                           SLAB_TEMPORARY,	/* flags */
                                           NULL);		/* ctor */
    retval = 0;
    if (journal_head_cache == 0) {
        retval = -ENOMEM;
        printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
    }
    return retval;
}

static void journal_destroy_journal_head_cache(void)
{