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linux-sg2042
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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>
This commit is contained in:
Evgeniy Polyakov 2009-02-09 17:02:42 +03:00 committed by Greg Kroah-Hartman
parent c09ee9d206
commit 18bc0bbd16
5 changed files with 31 additions and 0 deletions
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2
drivers/staging/Kconfig
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@ -95,5 +95,7 @@ source "drivers/staging/android/Kconfig"
source "drivers/staging/dst/Kconfig" source "drivers/staging/dst/Kconfig"
source "drivers/staging/pohmelfs/Kconfig"
endif # !STAGING_EXCLUDE_BUILD endif # !STAGING_EXCLUDE_BUILD
endif # STAGING endif # STAGING

1
drivers/staging/Makefile
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@ -30,3 +30,4 @@ obj-$(CONFIG_TRANZPORT) += frontier/
obj-$(CONFIG_EPL) += epl/ obj-$(CONFIG_EPL) += epl/
obj-$(CONFIG_ANDROID) += android/ obj-$(CONFIG_ANDROID) += android/
obj-$(CONFIG_DST) += dst/ obj-$(CONFIG_DST) += dst/
obj-$(CONFIG_POHMELFS) += pohmelfs/

23
drivers/staging/pohmelfs/Kconfig Normal file
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@ -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.

3
drivers/staging/pohmelfs/Makefile Normal file
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@ -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

2
mm/filemap.c
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@ -513,6 +513,7 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
} }
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(add_to_page_cache_lru);
#ifdef CONFIG_NUMA #ifdef CONFIG_NUMA
struct page *__page_cache_alloc(gfp_t gfp) 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, return __wait_on_bit_lock(page_waitqueue(page), &wait,
sync_page_killable, TASK_KILLABLE); sync_page_killable, TASK_KILLABLE);
} }
EXPORT_SYMBOL_GPL(__lock_page_killable);
/** /**
* __lock_page_nosync - get a lock on the page, without calling sync_page() * __lock_page_nosync - get a lock on the page, without calling sync_page()