menuconfig FS_SQUASHFS bool prompt "squashfs support" help Saying Y here includes support for SquashFS 4.0 (a Compressed Read-Only File System). Squashfs is a highly compressed read-only filesystem for Linux. It uses zlib, lzo or xz compression to compress both files, inodes and directories. Inodes in the system are very small and all blocks are packed to minimise data overhead. Block sizes greater than 4K are supported up to a maximum of 1 Mbytes (default block size 128K). SquashFS 4.0 supports 64 bit filesystems and files (larger than 4GB), full uid/gid information, hard links and timestamps. Squashfs is intended for general read-only filesystem use, for archival use (i.e. in cases where a .tar.gz file may be used), and in embedded systems where low overhead is needed. Further information and tools are available from http://squashfs.sourceforge.net. config SQUASHFS_ZLIB bool depends on FS_SQUASHFS depends on ZLIB default y if !SQUASHFS_ZLIB comment "ZLIB support disabled" endif config SQUASHFS_LZ4 bool depends on FS_SQUASHFS depends on LZ4_DECOMPRESS default y if !SQUASHFS_LZ4 comment "LZ4 support disabled" endif config SQUASHFS_LZO bool depends on FS_SQUASHFS depends on LZO_DECOMPRESS default y if !SQUASHFS_LZO comment "LZO support disabled" endif config SQUASHFS_XZ bool depends on FS_SQUASHFS depends on XZ_DECOMPRESS default y if !SQUASHFS_XZ comment "XZ support disabled" endif config SQUASHFS_ZSTD bool depends on FS_SQUASHFS depends on ZSTD_DECOMPRESS default y if !SQUASHFS_ZSTD comment "ZSTD support disabled" endif