diff options
Diffstat (limited to 'fs/squashfs/Kconfig')
| -rw-r--r-- | fs/squashfs/Kconfig | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/fs/squashfs/Kconfig b/fs/squashfs/Kconfig index cc6ce8a84c21..e5f63da64d04 100644 --- a/fs/squashfs/Kconfig +++ b/fs/squashfs/Kconfig @@ -5,13 +5,13 @@ config SQUASHFS 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 compression to compress both + filesystem for Linux. It uses zlib/lzo 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. + 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 @@ -26,7 +26,7 @@ config SQUASHFS If unsure, say N. -config SQUASHFS_XATTRS +config SQUASHFS_XATTR bool "Squashfs XATTR support" depends on SQUASHFS default n @@ -37,9 +37,24 @@ config SQUASHFS_XATTRS If unsure, say N. -config SQUASHFS_EMBEDDED +config SQUASHFS_LZO + bool "Include support for LZO compressed file systems" + depends on SQUASHFS + default n + select LZO_DECOMPRESS + help + Saying Y here includes support for reading Squashfs file systems + compressed with LZO compresssion. LZO compression is mainly + aimed at embedded systems with slower CPUs where the overheads + of zlib are too high. - bool "Additional option for memory-constrained systems" + LZO is not the standard compression used in Squashfs and so most + file systems will be readable without selecting this option. + + If unsure, say N. + +config SQUASHFS_EMBEDDED + bool "Additional option for memory-constrained systems" depends on SQUASHFS default n help |