Function dfs_page_insert

components/dfs/dfs_v2/src/dfs_pcache.c:1216–1246

* @brief Insert a page into the address space's page cache * * This function inserts a page into the active list of the address space's page cache. * It maintains the page count and performs eviction if the cache exceeds its capacity. * * @param[in] page Pointer to the page structure to be inserted * * @return Always returns 0 indicating success */

 * @return Always returns 0 indicating success
 */
static int dfs_page_insert(struct dfs_page *page)
{
    struct dfs_aspace *aspace = page->aspace;

    dfs_aspace_lock(aspace);

    rt_list_insert_before(&aspace->list_inactive, &page->space_node);
    aspace->pages_count ++;

    if (_dfs_page_insert(aspace, page))
    {
        RT_ASSERT(0);
    }

    if (aspace->pages_count > RT_PAGECACHE_ASPACE_COUNT)
    {
        rt_list_t *next = aspace->list_active.next;

        if (next != &aspace->list_inactive)
        {
            struct dfs_page *tmp = rt_list_entry(next, struct dfs_page, space_node);
            dfs_page_inactive(tmp);
        }
    }

    rt_atomic_add(&(__pcache.pages_count), 1);

    dfs_aspace_unlock(aspace);

    return 0;
}

/**
 * @brief Remove a page from the address space's page cache