and also define this extra attribute in the Kconfig entry.
Reviewed-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
drivers/staging/ramster/Kconfig | 8 ++++++++
drivers/staging/ramster/Makefile | 2 +-
drivers/staging/ramster/debug.h | 2 +-
drivers/staging/ramster/zcache-main.c | 6 +++---
4 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/ramster/Kconfig b/drivers/staging/ramster/Kconfig
index 9ce2590..24c8704 100644
--- a/drivers/staging/ramster/Kconfig
+++ b/drivers/staging/ramster/Kconfig
@@ -15,6 +15,14 @@ config ZCACHE2
again in the future. Until then, zcache2 is a single-node
version of ramster.
+config ZCACHE2_DEBUG
+ bool "Enable debug statistics"
+ depends on DEBUG_FS && ZCACHE2
+ default n
+ help
+ This is used to provide an debugfs directory with counters of
+ how zcache2 is doing. You probably want to set this to 'N'.
+
config RAMSTER
tristate "Cross-machine RAM capacity sharing, aka peer-to-peer tmem"
depends on CONFIGFS_FS && SYSFS && !HIGHMEM && ZCACHE2
diff --git a/drivers/staging/ramster/Makefile b/drivers/staging/ramster/Makefile
index 61f5050..d341a23 100644
--- a/drivers/staging/ramster/Makefile
+++ b/drivers/staging/ramster/Makefile
@@ -4,5 +4,5 @@ zcache-y += ramster/ramster.o ramster/r2net.o
zcache-y += ramster/nodemanager.o ramster/tcp.o
zcache-y += ramster/heartbeat.o ramster/masklog.o
endif
-zcache-y-$(CONFIG_ZCACHE_DEBUG) += debug.o
+zcache-y-$(CONFIG_ZCACHE2_DEBUG) += debug.o
obj-$(CONFIG_MODULES) += zcache.o
diff --git a/drivers/staging/ramster/debug.h b/drivers/staging/ramster/debug.h
index b412b90..cf375d7 100644
--- a/drivers/staging/ramster/debug.h
+++ b/drivers/staging/ramster/debug.h
@@ -1,4 +1,4 @@
-#ifdef CONFIG_ZCACHE_DEBUG
+#ifdef CONFIG_ZCACHE2_DEBUG
/* we try to keep these statistics SMP-consistent */
static ssize_t zcache_obj_count;
diff --git a/drivers/staging/ramster/zcache-main.c b/drivers/staging/ramster/zcache-main.c
index a1a9799..6add13d 100644
--- a/drivers/staging/ramster/zcache-main.c
+++ b/drivers/staging/ramster/zcache-main.c
@@ -308,7 +308,7 @@ static void zcache_free_page(struct page *page)
max_pageframes = curr_pageframes;
if (curr_pageframes < min_pageframes)
min_pageframes = curr_pageframes;
-#ifdef ZCACHE_DEBUG
+#ifdef CONFIG_ZCACHE2_DEBUG
if (curr_pageframes > 2L || curr_pageframes < -2L) {
/* pr_info here */
}
@@ -1603,7 +1603,7 @@ static int zcache_init(void)
old_ops = zcache_cleancache_register_ops();
pr_info("%s: cleancache enabled using kernel transcendent "
"memory and compression buddies\n", namestr);
-#ifdef ZCACHE_DEBUG
+#ifdef CONFIG_ZCACHE2_DEBUG
pr_info("%s: cleancache: ignorenonactive = %d\n",
namestr, !disable_cleancache_ignore_nonactive);
#endif
@@ -1618,7 +1618,7 @@ static int zcache_init(void)
frontswap_tmem_exclusive_gets(true);
pr_info("%s: frontswap enabled using kernel transcendent "
"memory and compression buddies\n", namestr);
-#ifdef ZCACHE_DEBUG
+#ifdef CONFIG_ZCACHE2_DEBUG
pr_info("%s: frontswap: excl gets = %d active only = %d\n",
namestr, frontswap_has_exclusive_gets,
!disable_frontswap_ignore_nonactive);
--
1.7.7.6
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