Function dfs_aspace_destroy

components/dfs/dfs_v2/src/dfs_pcache.c:758–778

* @brief Destroy an address space and release its resources * * This function decrements the reference count of the address space and marks it as inactive. * If the reference count reaches 1 and there are no pages left, it will be fully released. * * @param[in] aspace Pointer to the address space to be destroyed * * @return 0 on successful release, -EINVAL if aspace is NULL */

 * @return 0 on successful release, -EINVAL if aspace is NULL
 */
int dfs_aspace_destroy(struct dfs_aspace *aspace)
{
    int ret = -EINVAL;

    if (aspace)
    {
        dfs_pcache_lock();
        dfs_aspace_lock(aspace);
        rt_atomic_sub(&aspace->ref_count, 1);
        RT_ASSERT(rt_atomic_load(&aspace->ref_count) > 0);
        dfs_aspace_inactive(aspace);
        aspace->vnode = RT_NULL;
        if (dfs_aspace_release(aspace) != 0)
        {
            dfs_aspace_unlock(aspace);
        }
        dfs_pcache_unlock();
    }

    return ret;
}

/**
 * @brief Release an address space when its reference count reaches 1