Function dfs_aspace_fpos

components/dfs/dfs_v2/src/dfs_pcache.c:2059–2062

* Calculate file position from virtual address. * * @param[in] varea The virtual memory area * @param[in] vaddr The virtual address to convert * * @return The calculated file position offset */

 * @return The calculated file position offset
 */
off_t dfs_aspace_fpos(struct rt_varea *varea, void *vaddr)
{
    return (off_t)(intptr_t)vaddr - (off_t)(intptr_t)varea->start + varea->offset * ARCH_PAGE_SIZE;
}

/**
 * Get the virtual address corresponding to a file position in a virtual area.