--- zzzz-none-000/linux-3.10.107/Documentation/filesystems/squashfs.txt 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/Documentation/filesystems/squashfs.txt 2021-02-04 17:41:59.000000000 +0000 @@ -2,10 +2,10 @@ ======================= Squashfs is a compressed read-only filesystem for Linux. -It uses zlib/lzo/xz compression to compress 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 1Mbytes (default block size 128K). +It uses zlib, lz4, lzo, or xz compression to compress 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 1Mbytes (default block size 128K). 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 constrained