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Subject[5/5] POHMELFS: VFS changes and make/config files.
Date
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>

diff --git a/fs/Kconfig b/fs/Kconfig
index abccb5d..c1b2b32 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1557,6 +1557,8 @@ menuconfig NETWORK_FILESYSTEMS

if NETWORK_FILESYSTEMS

+source "fs/pohmelfs/Kconfig"
+
config NFS_FS
tristate "NFS client support"
depends on INET
diff --git a/fs/Makefile b/fs/Makefile
index a1482a5..56fe19c 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -122,3 +122,4 @@ obj-$(CONFIG_HPPFS) += hppfs/
obj-$(CONFIG_DEBUG_FS) += debugfs/
obj-$(CONFIG_OCFS2_FS) += ocfs2/
obj-$(CONFIG_GFS2_FS) += gfs2/
+obj-$(CONFIG_POHMELFS) += pohmelfs/
diff --git a/fs/pohmelfs/Kconfig b/fs/pohmelfs/Kconfig
new file mode 100644
index 0000000..82d13ad
--- /dev/null
+++ b/fs/pohmelfs/Kconfig
@@ -0,0 +1,23 @@
+config POHMELFS
+ tristate "POHMELFS filesystem support"
+ select CONNECTOR
+ help
+ POHMELFS stands for Parallel Optimized Host Message Exchange Layered File System.
+ This is a network filesystem which supports coherent caching of data and metadata
+ on clients.
+
+config POHMELFS_DEBUG
+ bool "POHMELFS debugging"
+ depends on POHMELFS
+ default n
+ help
+ Turns on excessive POHMELFS debugging facilities.
+ You usually do not want to slow things down noticebly and get really lots of kernel
+ messages in syslog.
+
+config POHMELFS_CRYPTO
+ bool "POHMELFS crypto support"
+ depends on CONFIG_CRYPTO_BLKCIPHER && CONFIG_CRYPTO_HASH
+ help
+ This option allows to encrypt and/or protect with strong cryptographic hash all dataflow
+ between server and clients. Each config group can have own keys.
diff --git a/fs/pohmelfs/Makefile b/fs/pohmelfs/Makefile
new file mode 100644
index 0000000..196561c
--- /dev/null
+++ b/fs/pohmelfs/Makefile
@@ -0,0 +1,3 @@
+obj-$(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 876bc59..016a00b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -497,6 +497,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
lru_cache_add(page);
return ret;
}
+EXPORT_SYMBOL_GPL(add_to_page_cache_lru);

#ifdef CONFIG_NUMA
struct page *__page_cache_alloc(gfp_t gfp)
@@ -614,6 +615,7 @@ 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()

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