From: Marco Stornelli <marco.storne...@gmail.com>
Makefile and Kconfig.
Signed-off-by: Marco Stornelli <marco.storne...@gmail.com>
---
diff -uprN linux-2.6.30-orig/fs/Kconfig linux-2.6.30/fs/Kconfig
--- linux-2.6.30-orig/fs/Kconfig 2009-06-10 05:05:27.000000000 +0200
+++ linux-2.6.30/fs/Kconfig 2009-06-13 10:01:41.000000000 +0200
@@ -13,7 +13,7 @@ source "fs/ext4/Kconfig"
config FS_XIP
# execute in place
bool
- depends on EXT2_FS_XIP
+ depends on EXT2_FS_XIP || PRAMFS_XIP
default y
source "fs/jbd/Kconfig"
@@ -176,6 +176,7 @@ source "fs/romfs/Kconfig"
source "fs/sysv/Kconfig"
source "fs/ufs/Kconfig"
source "fs/exofs/Kconfig"
+source "fs/pramfs/Kconfig"
config NILFS2_FS
tristate "NILFS2 file system support (EXPERIMENTAL)"
diff -uprN linux-2.6.30-orig/fs/Makefile linux-2.6.30/fs/Makefile
--- linux-2.6.30-orig/fs/Makefile 2009-06-10 05:05:27.000000000 +0200
+++ linux-2.6.30/fs/Makefile 2009-06-13 10:00:26.000000000 +0200
@@ -124,3 +124,5 @@ obj-$(CONFIG_OCFS2_FS) += ocfs2/
obj-$(CONFIG_BTRFS_FS) += btrfs/
obj-$(CONFIG_GFS2_FS) += gfs2/
obj-$(CONFIG_EXOFS_FS) += exofs/
+obj-$(CONFIG_PRAMFS) += pramfs/
+
diff -uprN linux-2.6.30-orig/fs/pramfs/Kconfig linux-2.6.30/fs/pramfs/Kconfig
--- linux-2.6.30-orig/fs/pramfs/Kconfig 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.30/fs/pramfs/Kconfig 2009-04-22 15:22:54.000000000 +0200
@@ -0,0 +1,51 @@
+config PRAMFS
+ tristate "Persistent and Protected RAM file system support"
+ select PRAMFS_NOWP if PRAMFS=m
+ help
+ If your system has a block of fast (comparable in access speed to
+ system memory) and non-volatile RAM and you wish to mount a
+ light-weight, full-featured, and space-efficient filesystem over it,
+ say Y here, and read <file:Documentation/filesystems/pramfs.txt>.
+
+ To compile this as a module, choose M here: the module will be
+ called pramfs.
+
+config PRAMFS_XIP
+ bool "Enable Execute-in-place in PRAMFS"
+ depends on PRAMFS
+ select PRAMFS_NOWP
+ help
+ Say Y here to enable xip feature of PRAMFS.
+
+config PRAMFS_NOWP
+ bool "Disable PRAMFS write protection"
+ depends on PRAMFS
+ default n
+ help
+ Say Y here to disable the write protect feature of PRAMFS.
+
+config ROOT_PRAMFS
+ bool "Root file system on PRAMFS"
+ depends on PRAMFS && !ROOT_NFS
+ help
+ Say Y if you have enabled PRAMFS, and you want to be
+ able to use PRAMFS as the root filesystem. To actually
+ have the kernel mount PRAMFS as a root file system, you
+ must also pass the command line parameter
+ "root=/dev/null rootflags=physaddr=0x********" to the kernel
+ (replace 0x******** with the physical address location of the
+ previously initialized PRAMFS memory to boot with).
+
+config PRAMFS_TEST
+ boolean
+ depends on PRAMFS
+ default n
+
+config TEST_MODULE
+ tristate "PRAMFS Test"
+ depends on PRAMFS && m && !PRAMFS_NOWP
+ select PRAMFS_TEST
+ default n
+ help
+ Say Y here to build a simple module to test the protection of
+ PRAMFS. The module will be called pramfs_test.ko.
diff -uprN linux-2.6.30-orig/fs/pramfs/Makefile linux-2.6.30/fs/pramfs/Makefile
--- linux-2.6.30-orig/fs/pramfs/Makefile 1970-01-01 01:00:00.000000000
+0100
+++ linux-2.6.30/fs/pramfs/Makefile 2009-04-19 11:58:51.000000000 +0200
@@ -0,0 +1,13 @@
+#
+# Makefile for the linux pram-filesystem routines.
+#
+
+obj-$(CONFIG_PRAMFS) += pramfs.o
+obj-$(CONFIG_TEST_MODULE) += pramfs_test.o
+
+pramfs-objs := balloc.o dir.o file.o inode.o namei.o super.o symlink.o
+
+ifneq ($(CONFIG_PRAMFS_NOWP),y)
+pramfs-objs += wprotect.o
+endif
+pramfs-$(CONFIG_PRAMFS_XIP) += xip.o
--
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