| ################################################################################ |
| # |
| # Build the btrfs root filesystem image |
| # |
| ################################################################################ |
| |
| BTRFS_SIZE = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_SIZE)) |
| ifeq ($(BR2_TARGET_ROOTFS_BTRFS)-$(BTRFS_SIZE),y-) |
| $(error BR2_TARGET_ROOTFS_BTRFS_SIZE cannot be empty) |
| endif |
| |
| BTRFS_SIZE_NODE = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_SIZE_NODE)) |
| BTRFS_SIZE_SECTOR = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_SIZE_SECTOR)) |
| BTRFS_FEATURES = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_FEATURES)) |
| # qstrip results in stripping consecutive spaces into a single one. So the |
| # variable is not qstrip-ed to preserve the integrity of the string value. |
| BTRFS_LABEL = $(subst ",,$(BR2_TARGET_ROOTFS_BTRFS_LABEL)) |
| # ") |
| |
| BTRFS_OPTS = \ |
| -f \ |
| -r '$(TARGET_DIR)' \ |
| -L '$(BTRFS_LABEL)' \ |
| --byte-count '$(BTRFS_SIZE)' \ |
| $(if $(BTRFS_SIZE_NODE),--nodesize '$(BTRFS_SIZE_NODE)') \ |
| $(if $(BTRFS_SIZE_SECTOR),--sectorsize '$(BTRFS_SIZE_SECTOR)') \ |
| $(if $(BTRFS_FEATURES),--features '$(BTRFS_FEATURES)') |
| |
| ROOTFS_BTRFS_DEPENDENCIES = host-btrfs-progs |
| |
| define ROOTFS_BTRFS_CMD |
| $(RM) -f $@ |
| $(HOST_DIR)/bin/mkfs.btrfs $(BTRFS_OPTS) $@ |
| endef |
| |
| $(eval $(rootfs)) |
