f2fs kernel error

In file included from ../../../../../../kernel/oneplus/msm8974/fs/f2fs/dir.c:13:0:
../../../../../../kernel/oneplus/msm8974/fs/f2fs/f2fs.h: In function 'is_idle':
../../../../../../kernel/oneplus/msm8974/fs/f2fs/f2fs.h:865:30: error: 'struct request_queue' has no member named 'root_rl'
  struct request_list *rl = &q->root_rl;
                              ^
../../../../../../kernel/oneplus/msm8974/fs/f2fs/f2fs.h: At top level:
../../../../../../kernel/oneplus/msm8974/fs/f2fs/f2fs.h:1729:25: warning: 'struct dir_context' declared inside parameter list
error, forbidden warning: f2fs.h:1729
make[4]: *** [fs/f2fs/dir.o] Error 1
make[3]: *** [fs/f2fs] Error 2
make[3]: *** Waiting for unfinished jobs....