BDI_CAP_NO_WRITEBACK  143 include/linux/backing-dev.h 	(BDI_CAP_NO_WRITEBACK | BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_ACCT_WB)
BDI_CAP_NO_WRITEBACK  198 include/linux/backing-dev.h 	return !(bdi->capabilities & BDI_CAP_NO_WRITEBACK);
BDI_CAP_NO_WRITEBACK  210 include/linux/backing-dev.h 				      BDI_CAP_NO_WRITEBACK));