--- fs/sdcardfs/Kconfig

+++ fs/sdcardfs/Kconfig

@@ -11,3 +11,8 @@ config SDCARD_FS_FADV_NOACTIVE

default y

help

Sdcardfs supports fadvise noactive mode.

+

+config SDCARD_FS_CI_SEARCH

+ tristate "sdcardfs case-insensitive search support"

+ depends on SDCARD_FS

+ default y