Re: [PATCH 0/3] Update LZO compression

On Tuesday 09 October 2012, Markus F.X.J. Oberhumer wrote:

quoted

: This commit updates the kernel LZO code to the current upsteam version
: which features a significant speed improvement - benchmarking the Calgary
: and Silesia test corpora typically shows a doubled performance in
: both compression and decompression on modern i386/x86_64/powerpc machines.

There are significant clients of the LZO library - crypto, btrfs,
jffs2, ubifs, squashfs and zcache.  So let's give all those people a cc
and ask that they test the LZO changes once they land in linux-next. 
For correctness and performance, please.

The core compression and decompression code has been thoroughly tested, so I
do not expect major problems.

Good testing after the merge and feedback about build or performance issues
(and improvements!) is highly appreciated.

The addition of the lzo tree to linux-next caused this problem for ARM
imx_v6_v7_defconfig:

In file included from /home/arnd/linux-arm/arch/arm/boot/compressed/decompress.c:40:0:
/home/arnd/linux-arm/arch/arm/boot/compressed/../../../../lib/decompress_unlzo.c:34:34: fatal error: lzo/lzo1x_decompress.c: No such file or directory

Since the file was renamed, anything including it needs to be updated to the
new file name.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/lib/decompress_unlzo.c b/lib/decompress_unlzo.c
index 4531294..960183d 100644
--- a/lib/decompress_unlzo.c
+++ b/lib/decompress_unlzo.c

@@ -31,7 +31,7 @@
  */
 
 #ifdef STATIC
-#include "lzo/lzo1x_decompress.c"
+#include "lzo/lzo1x_decompress_safe.c"
 #else
 #include <linux/decompress/unlzo.h>
 #endif