menuconfig FS_BLOCK_COMPAT
	bool "Compatibility settings for fs and block layer"
	default n
	help
	  To provide users with some proprietary features.

config FILE_DIRTY_LIMIT
	bool "Enable file dirty limit to reduce dirty caches"
	depends on FS_BLOCK_COMPAT
	default n
	help
	  The function is modified in:
	  include/linux/fs.h
	  include/linux/writeback.h
	  include/linux/backing-dev.h
	  mm/page-writeback.c
	  mm/backing-dev.c
	  mm/filemap.c
	  mm/truncate.c
	  fs/fs-writeback.c
	  fs/ext4/inode.c
	  kernel/sysctl.c