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- config BR2_TARGET_ROOTFS_EXT2
- bool "ext2/3/4 root filesystem"
- select BR2_PACKAGE_HOST_E2FSPROGS
- help
- Build an ext2/3/4 root filesystem
- if BR2_TARGET_ROOTFS_EXT2
- config BR2_TARGET_ROOTFS_EXT2_2
- bool
- choice
- bool "ext2/3/4 variant"
- default BR2_TARGET_ROOTFS_EXT2_2r1
- config BR2_TARGET_ROOTFS_EXT2_2r0
- bool "ext2 (rev0)"
- select BR2_TARGET_ROOTFS_EXT2_2
- config BR2_TARGET_ROOTFS_EXT2_2r1
- bool "ext2 (rev1)"
- select BR2_TARGET_ROOTFS_EXT2_2
- config BR2_TARGET_ROOTFS_EXT2_3
- bool "ext3"
- config BR2_TARGET_ROOTFS_EXT2_4
- bool "ext4"
- endchoice
- config BR2_TARGET_ROOTFS_EXT2_GEN
- int
- default 2 if BR2_TARGET_ROOTFS_EXT2_2
- default 3 if BR2_TARGET_ROOTFS_EXT2_3
- default 4 if BR2_TARGET_ROOTFS_EXT2_4
- # All ext generations are revision 1, except ext2r0, which is revision 0
- config BR2_TARGET_ROOTFS_EXT2_REV
- int
- default 0 if BR2_TARGET_ROOTFS_EXT2_2r0
- default 1 if !BR2_TARGET_ROOTFS_EXT2_2r0
- config BR2_TARGET_ROOTFS_EXT2_LABEL
- string "filesystem label"
- config BR2_TARGET_ROOTFS_EXT2_SIZE
- string "exact size"
- default BR2_TARGET_ROOTFS_EXT2_BLOCKS if BR2_TARGET_ROOTFS_EXT2_BLOCKS_WRAP # legacy 2017.08
- default "60M"
- help
- The size of the filesystem image. If it does not have a
- suffix, it is interpreted as power-of-two kilobytes. If it is
- suffixed by 'k', 'm', 'g', 't' (either upper-case or
- lower-case), then it is interpreted in power-of-two kilobytes,
- megabytes, gigabytes, terabytes, etc.
- config BR2_TARGET_ROOTFS_EXT2_INODES
- int "exact number of inodes (leave at 0 for auto calculation)"
- default 0
- config BR2_TARGET_ROOTFS_EXT2_RESBLKS
- int "reserved blocks percentage"
- default 5
- help
- The number of blocks on the filesystem (as a percentage of the
- total number of blocks), that are reserved for use by root.
- Traditionally, this has been 5%, and all ext-related tools
- still default to reserving 5% when creating a new ext
- filesystem.
- config BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS
- string "additional mke2fs options"
- default "-O ^64bit"
- help
- Specify a space-separated list of mke2fs options, including
- any ext2/3/4 filesystem features.
- For more information about the mke2fs options, see the manual
- page mke2fs(8).
- For more information about the ext2/3/4 features which can be
- set, see the manual page ext4(5).
- The default is "-O ^64bit", i.e. disable 64-bit filesystem
- support. This default value has been chosen because U-Boot
- versions before 2017.02 don't support this filesystem
- option: using it may make the filesystem unreadable by
- U-Boot.
- choice
- prompt "Compression method"
- default BR2_TARGET_ROOTFS_EXT2_NONE
- help
- Select compressor for ext2/3/4 filesystem of the root
- filesystem
- config BR2_TARGET_ROOTFS_EXT2_NONE
- bool "no compression"
- help
- Do not compress the ext2/3/4 filesystem.
- config BR2_TARGET_ROOTFS_EXT2_GZIP
- bool "gzip"
- help
- Do compress the ext2/3/4 filesystem with gzip.
- config BR2_TARGET_ROOTFS_EXT2_BZIP2
- bool "bzip2"
- help
- Do compress the ext2/3/4 filesystem with bzip2.
- config BR2_TARGET_ROOTFS_EXT2_LZ4
- bool "lz4"
- help
- Do compress the ext2 filesystem with lz4.
- config BR2_TARGET_ROOTFS_EXT2_LZMA
- bool "lzma"
- help
- Do compress the ext2/3/4 filesystem with lzma.
- config BR2_TARGET_ROOTFS_EXT2_LZO
- bool "lzo"
- help
- Do compress the ext2 filesystem with lzop.
- config BR2_TARGET_ROOTFS_EXT2_XZ
- bool "xz"
- help
- Do compress the ext2 filesystem with xz.
- endchoice
- endif # BR2_TARGET_ROOTFS_EXT2
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