1config BR2_TARGET_ROOTFS_BTRFS 2 bool "btrfs root filesystem" 3 select BR2_PACKAGE_HOST_BTRFS_PROGS 4 help 5 Build a btrfs root filesystem. If you enable this option, you 6 probably want to enable the btrfs-progs package too. 7 8if BR2_TARGET_ROOTFS_BTRFS 9 10config BR2_TARGET_ROOTFS_BTRFS_LABEL 11 string "filesystem label" 12 13config BR2_TARGET_ROOTFS_BTRFS_SIZE 14 string "filesystem size" 15 default "100m" 16 help 17 The size of the filesystem image in bytes. 18 Suffix with k, m, g or t for power-of-two kilo-, mega-, giga- 19 or terabytes. 20 21config BR2_TARGET_ROOTFS_BTRFS_SIZE_SECTOR 22 string "sector size" 23 default "4096" 24 help 25 This value should be set to the page size in bytes. The 26 default value of 4096 is the the most common page size for 27 most systems. If the sectorsize differs from the page size, 28 the created filesystem may not be mountable by the kernel. 29 Therefore it is recommended to leave this value at 30 4096. Unless you know that your kernel uses a different page 31 size. Suffix with k for power-of-two kilobytes. 32 33config BR2_TARGET_ROOTFS_BTRFS_SIZE_NODE 34 string "btree node size" 35 default "16384" 36 help 37 The tree block size in which btrfs stores metadata in bytes. 38 This must be a multiple of the sectorsize, but not larger 39 than 64KiB (65536). 40 Suffix with k for power-of-two kilobytes. 41 42config BR2_TARGET_ROOTFS_BTRFS_FEATURES 43 string "Filesystem Features" 44 help 45 A comma separated string of features that can be enabled 46 during creation time. 47 For a list of available options, use: 48 `.../host/bin/mkfs.btrfs -O list-all` 49 50endif # BR2_TARGET_ROOTFS_BTRFS 51