#ifndef CONFIG_FAT_DEFAULT_IOCHARSET
/* if user don't select VFAT, this is undefined. */
#ifndef CONFIG_FAT_DEFAULT_IOCHARSET
/* if user don't select VFAT, this is undefined. */
* so we need to update the ->mmu_private to block boundary.
*
* But we must fill the remaining area or hole by nul for
* so we need to update the ->mmu_private to block boundary.
*
* But we must fill the remaining area or hole by nul for