From: Evgeniy Polyakov <zbr@ioremap.net>
Date: Mon, 9 Feb 2009 14:02:42 +0000 (+0300)
Subject: Staging: pohmelfs: kconfig/makefile and vfs changes.
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=18bc0bbd162e3eb3e7ea2953c315ad4113a57164;p=linux-2.6-omap-h63xx.git

Staging: pohmelfs: kconfig/makefile and vfs changes.

This patch adds Kconfig and Makefile entries and exports to
VFS functions to be used by POHMELFS.

Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index e319c67c596..f62c2d125b6 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -95,5 +95,7 @@ source "drivers/staging/android/Kconfig"
 
 source "drivers/staging/dst/Kconfig"
 
+source "drivers/staging/pohmelfs/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 1971299a82f..16a8d703319 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -30,3 +30,4 @@ obj-$(CONFIG_TRANZPORT)		+= frontier/
 obj-$(CONFIG_EPL)		+= epl/
 obj-$(CONFIG_ANDROID)		+= android/
 obj-$(CONFIG_DST)		+= dst/
+obj-$(CONFIG_POHMELFS)		+= pohmelfs/
diff --git a/drivers/staging/pohmelfs/Kconfig b/drivers/staging/pohmelfs/Kconfig
new file mode 100644
index 00000000000..82d13ad67c8
--- /dev/null
+++ b/drivers/staging/pohmelfs/Kconfig
@@ -0,0 +1,23 @@
+config POHMELFS
+	tristate "POHMELFS filesystem support"
+	select CONNECTOR
+	help
+	  POHMELFS stands for Parallel Optimized Host Message Exchange Layered File System.
+	  This is a network filesystem which supports coherent caching of data and metadata
+	  on clients.
+
+config POHMELFS_DEBUG
+	bool "POHMELFS debugging"
+	depends on POHMELFS
+	default n
+	help
+	  Turns on excessive POHMELFS debugging facilities.
+	  You usually do not want to slow things down noticebly and get really lots of kernel
+	  messages in syslog.
+
+config POHMELFS_CRYPTO
+	bool "POHMELFS crypto support"
+	depends on CONFIG_CRYPTO_BLKCIPHER && CONFIG_CRYPTO_HASH
+	help
+	  This option allows to encrypt and/or protect with strong cryptographic hash all dataflow
+	  between server and clients. Each config group can have own keys.
diff --git a/drivers/staging/pohmelfs/Makefile b/drivers/staging/pohmelfs/Makefile
new file mode 100644
index 00000000000..196561ca26b
--- /dev/null
+++ b/drivers/staging/pohmelfs/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_POHMELFS)	+= pohmelfs.o
+
+pohmelfs-y := inode.o config.o dir.o net.o path_entry.o trans.o crypto.o lock.o mcache.o
diff --git a/mm/filemap.c b/mm/filemap.c
index fc11974f2be..2e2d38ebda4 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -513,6 +513,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 	}
 	return ret;
 }
+EXPORT_SYMBOL_GPL(add_to_page_cache_lru);
 
 #ifdef CONFIG_NUMA
 struct page *__page_cache_alloc(gfp_t gfp)
@@ -645,6 +646,7 @@ int __lock_page_killable(struct page *page)
 	return __wait_on_bit_lock(page_waitqueue(page), &wait,
 					sync_page_killable, TASK_KILLABLE);
 }
+EXPORT_SYMBOL_GPL(__lock_page_killable);
 
 /**
  * __lock_page_nosync - get a lock on the page, without calling sync_page()