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-rw-r--r--fs/squashfs/Kconfig18
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/squashfs/Kconfig b/fs/squashfs/Kconfig
index e5f63da64d0..aa68a8a3151 100644
--- a/fs/squashfs/Kconfig
+++ b/fs/squashfs/Kconfig
@@ -29,7 +29,6 @@ config SQUASHFS
config SQUASHFS_XATTR
bool "Squashfs XATTR support"
depends on SQUASHFS
- default n
help
Saying Y here includes support for extended attributes (xattrs).
Xattrs are name:value pairs associated with inodes by
@@ -40,7 +39,6 @@ config SQUASHFS_XATTR
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
@@ -53,10 +51,24 @@ config SQUASHFS_LZO
If unsure, say N.
+config SQUASHFS_XZ
+ bool "Include support for XZ compressed file systems"
+ depends on SQUASHFS
+ select XZ_DEC
+ help
+ Saying Y here includes support for reading Squashfs file systems
+ compressed with XZ compresssion. XZ gives better compression than
+ the default zlib compression, at the expense of greater CPU and
+ memory overhead.
+
+ XZ 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
Saying Y here allows you to specify cache size.