fs/f2fs: add option to define list of filesystem features

Signed-off-by: Grzegorz Blach <grzegorz@blach.pl>
[Thomas: split from the initial patch from Grzegorz]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

fs/f2fs/Config.in

@@ -42,4 +42,11 @@ config BR2_TARGET_ROOTFS_F2FS_DISCARD
 	help
 	  Enable or disable discard policy.
 
+config BR2_TARGET_ROOTFS_F2FS_FEATURES
+	string "filesystem features"
+	help
+	  List of features that the F2FS filesystem should support
+	  (e.g "encrypt")
+
+
 endif # BR2_TARGET_ROOTFS_F2FS

fs/f2fs/f2fs.mk

@@ -25,12 +25,15 @@ else
 F2FS_DISCARD = 0
 endif
 
+F2FS_FEATURES = $(call qstrip,$(BR2_TARGET_ROOTFS_F2FS_FEATURES))
+
 F2FS_OPTS = \
 	-f \
 	-l "$(F2FS_LABEL)" \
 	-t $(F2FS_DISCARD) \
 	$(if $(F2FS_COLD_FILES),-e "$(F2FS_COLD_FILES)") \
-	$(if $(F2FS_OVERPROVISION),-o $(F2FS_OVERPROVISION))
+	$(if $(F2FS_OVERPROVISION),-o $(F2FS_OVERPROVISION)) \
+	$(if $(F2FS_FEATURES),-O "$(F2FS_FEATURES)")
 
 ROOTFS_F2FS_DEPENDENCIES = host-f2fs-tools