From: Robert Jennings <rcj@xxxxxxxxxxxxxxxxxx> Add a debug config flag to enable debug printk output and future debug code. Signed-off-by: Robert Jennings <rcj@xxxxxxxxxxxxxxxxxx> Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/staging/zram/Kconfig | 8 ++++++++ drivers/staging/zram/xvmalloc.c | 4 ++++ drivers/staging/zram/zram_drv.c | 4 ++++ 3 files changed, 16 insertions(+), 0 deletions(-) diff --git a/drivers/staging/zram/Kconfig b/drivers/staging/zram/Kconfig index d3982e6f..2f3b484 100644 --- a/drivers/staging/zram/Kconfig +++ b/drivers/staging/zram/Kconfig @@ -15,3 +15,11 @@ config ZRAM See zram.txt for more information. Project home: http://compcache.googlecode.com/ + +config ZRAM_DEBUG + bool "Compressed RAM block device debug support" + depends on ZRAM + default n + help + This option adds additional debugging code to the compressed + RAM block device driver. diff --git a/drivers/staging/zram/xvmalloc.c b/drivers/staging/zram/xvmalloc.c index 9cbe04a..4f6cb8d 100644 --- a/drivers/staging/zram/xvmalloc.c +++ b/drivers/staging/zram/xvmalloc.c @@ -10,6 +10,10 @@ * Released under the terms of GNU General Public License Version 2.0 */ +#ifdef CONFIG_ZRAM_DEBUG +#define DEBUG +#endif + #include <linux/bitops.h> #include <linux/errno.h> #include <linux/highmem.h> diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 3c8ecab..7d11c59 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -15,6 +15,10 @@ #define KMSG_COMPONENT "zram" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#ifdef CONFIG_ZRAM_DEBUG +#define DEBUG +#endif + #include <linux/module.h> #include <linux/kernel.h> #include <linux/bio.h> -- 1.7.4.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
