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 e319c67..f62c2d1 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -95,5 +95,7 @@
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 1971299..16a8d70 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -30,3 +30,4 @@
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 0000000..82d13ad
--- /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 0000000..196561c
--- /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 fc11974..2e2d38e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -513,6 +513,7 @@
}
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 @@
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()