1config SHARE_FS 2 tristate "SHAREFS filesystem support" 3 help 4 SHAREFS is an overlay file system.SHAREFS is used for file sharing 5 between applications. Sharefs manages permissions through different 6 permissions for reading and writing directories. 7 8config SHAREFS_SUPPORT_OVERRIDE 9 bool "Sharefs: support override " 10 depends on SHARE_FS 11 default n 12 help 13 This is the switch of override feature on sharefs file system. 14 If the device type is 2in1, it shoule be set y. 15 16config SHAREFS_SUPPORT_WRITE 17 bool "Sharefs: support write operations" 18 depends on SHARE_FS 19 depends on SHAREFS_SUPPORT_OVERRIDE 20 default n 21 help 22 This is the switch of write operation on sharefs file system. 23 If the device type is 2in1 and writing files is needed, 24 it shoule be set y. 25