+ Build an ext4 root filesystem.
+
+ config TARGET_EXT4_MAXINODE
+ int "Maximum number of inodes in root filesystem"
+ depends on TARGET_ROOTFS_EXT4FS
+ default 6000
+ help
+ Select the maximum number of inodes in the root filesystem.
+
+ config TARGET_EXT4_RESERVED_PCT
+ int "Percentage of reserved blocks in root filesystem"
+ depends on TARGET_ROOTFS_EXT4FS
+ default 0
+ help
+ Select the percentage of reserved blocks in the root filesystem.
+
+ choice
+ prompt "Root filesystem block size"
+ default TARGET_EXT4_BLOCKSIZE_4K
+ depends on TARGET_ROOTFS_EXT4FS
+ help
+ Select the block size of the root filesystem.
+
+ config TARGET_EXT4_BLOCKSIZE_4K
+ bool "4k"
+
+ config TARGET_EXT4_BLOCKSIZE_2K
+ bool "2k"
+
+ config TARGET_EXT4_BLOCKSIZE_1K
+ bool "1k"
+ endchoice
+
+ config TARGET_EXT4_BLOCKSIZE
+ int
+ default 4096 if TARGET_EXT4_BLOCKSIZE_4K
+ default 2048 if TARGET_EXT4_BLOCKSIZE_2K
+ default 1024 if TARGET_EXT4_BLOCKSIZE_1K
+ depends on TARGET_ROOTFS_EXT4FS
+
+ config TARGET_EXT4_JOURNAL
+ bool "Create a journaling filesystem"
+ depends on TARGET_ROOTFS_EXT4FS
+ default n
+ help
+ Create an ext4 filesystem with a journal.