zcache: s/int/bool/ on the various options.

There are so many, but this allows us to at least have them
right in as bool.

Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
[v1: Rebase on ramster->zcache move]
[v2: Rebase on staging/zcache: Fix/improve zcache writeback code, tie to a config option]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/zcache/zcache-main.c

@@ -34,9 +34,9 @@
 #include "zbud.h"
 #include "ramster.h"
 #ifdef CONFIG_RAMSTER
-static int ramster_enabled;
+static bool ramster_enabled __read_mostly;
 #else
-#define ramster_enabled 0
+#define ramster_enabled false
 #endif
 
 #ifndef __PG_WAS_ACTIVE
@@ -62,11 +62,11 @@ static inline void frontswap_tmem_exclusive_gets(bool b)
 /* enable (or fix code) when Seth's patches are accepted upstream */
 #define zcache_writeback_enabled 0
 
-static int zcache_enabled __read_mostly;
-static int disable_cleancache __read_mostly;
-static int disable_frontswap __read_mostly;
-static int disable_frontswap_ignore_nonactive __read_mostly;
-static int disable_cleancache_ignore_nonactive __read_mostly;
+static bool zcache_enabled __read_mostly;
+static bool disable_cleancache __read_mostly;
+static bool disable_frontswap __read_mostly;
+static bool disable_frontswap_ignore_nonactive __read_mostly;
+static bool disable_cleancache_ignore_nonactive __read_mostly;
 static char *namestr __read_mostly = "zcache";
 
 #define ZCACHE_GFP_MASK \
@@ -1841,16 +1841,16 @@ struct frontswap_ops zcache_frontswap_register_ops(void)
 
 static int __init enable_zcache(char *s)
 {
-	zcache_enabled = 1;
+	zcache_enabled = true;
 	return 1;
 }
 __setup("zcache", enable_zcache);
 
 static int __init enable_ramster(char *s)
 {
-	zcache_enabled = 1;
+	zcache_enabled = true;
 #ifdef CONFIG_RAMSTER
-	ramster_enabled = 1;
+	ramster_enabled = true;
 #endif
 	return 1;
 }
@@ -1860,15 +1860,15 @@ __setup("ramster", enable_ramster);
 
 static int __init no_cleancache(char *s)
 {
-	disable_cleancache = 1;
+	disable_cleancache = true;
 	return 1;
 }
 
 __setup("nocleancache", no_cleancache);
 
 static int __init no_frontswap(char *s)
 {
-	disable_frontswap = 1;
+	disable_frontswap = true;
 	return 1;
 }
 
@@ -1884,15 +1884,15 @@ __setup("nofrontswapexclusivegets", no_frontswap_exclusive_gets);
 
 static int __init no_frontswap_ignore_nonactive(char *s)
 {
-	disable_frontswap_ignore_nonactive = 1;
+	disable_frontswap_ignore_nonactive = true;
 	return 1;
 }
 
 __setup("nofrontswapignorenonactive", no_frontswap_ignore_nonactive);
 
 static int __init no_cleancache_ignore_nonactive(char *s)
 {
-	disable_cleancache_ignore_nonactive = 1;
+	disable_cleancache_ignore_nonactive = true;
 	return 1;
 }
 
@@ -1901,7 +1901,7 @@ __setup("nocleancacheignorenonactive", no_cleancache_ignore_nonactive);
 static int __init enable_zcache_compressor(char *s)
 {
 	strncpy(zcache_comp_name, s, ZCACHE_COMP_NAME_SZ);
-	zcache_enabled = 1;
+	zcache_enabled = true;
 	return 1;
 }
 __setup("zcache=", enable_zcache_compressor);