staging: zcache: adjustments to config/build files due to renaming

[V2: no code changes, patchset now generated via git format-patch -M]

In staging/zcache, adjust config/build due to ramster->zcache renaming
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/zcache/Kconfig

-config ZCACHE2
+config ZCACHE
 	bool "Dynamic compression of swap pages and clean pagecache pages"
-	depends on CRYPTO=y && SWAP=y && CLEANCACHE && FRONTSWAP && !ZCACHE 
+	depends on CRYPTO=y && SWAP=y && CLEANCACHE && FRONTSWAP
 	select CRYPTO_LZO
 	default n
 	help
-	  Zcache2 doubles RAM efficiency while providing a significant
-	  performance boosts on many workloads.  Zcache2 uses
+	  Zcache doubles RAM efficiency while providing a significant
+	  performance boosts on many workloads.  Zcache uses
 	  compression and an in-kernel implementation of transcendent
 	  memory to store clean page cache pages and swap in RAM,
-	  providing a noticeable reduction in disk I/O.  Zcache2
-	  is a complete rewrite of the older zcache; it was intended to
-	  be a merge but that has been blocked due to political and
-	  technical disagreements.  It is intended that they will merge
-	  again in the future.  Until then, zcache2 is a single-node
-	  version of ramster.
+	  providing a noticeable reduction in disk I/O.
 
 config RAMSTER
 	bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem"
-	depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE2=y
+	depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE=y
 	depends on NET
 	# must ensure struct page is 8-byte aligned
 	select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT

drivers/staging/zcache/Makefile

@@ -3,4 +3,4 @@ zcache-$(CONFIG_RAMSTER)	+=	ramster/ramster.o ramster/r2net.o
 zcache-$(CONFIG_RAMSTER)	+=	ramster/nodemanager.o ramster/tcp.o
 zcache-$(CONFIG_RAMSTER)	+=	ramster/heartbeat.o ramster/masklog.o
 
-obj-$(CONFIG_ZCACHE2)	+=	zcache.o
+obj-$(CONFIG_ZCACHE)	+=	zcache.o