blob: 6206fb44bdef8c3a54093b87e6df3dd7f57d5143 [file] [log] [blame]
From ltsi-dev-bounces@lists.linuxfoundation.org Sat May 12 10:19:31 2012
From: Marco Stornelli <marco.stornelli@gmail.com>
Date: Sat, 12 May 2012 19:12:54 +0200
Subject: pramfs: Makefile and Kconfig
To: LTSI <ltsi-dev@lists.linuxfoundation.org>
Message-ID: <4FAE9A16.4000501@gmail.com>
From: Marco Stornelli <marco.stornelli@gmail.com>
Makefile and Kconfig.
Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
---
MAINTAINERS | 9 ++++++
arch/Kconfig | 3 ++
arch/x86/Kconfig | 1
fs/Kconfig | 6 ++--
fs/Makefile | 1
fs/pramfs/Kconfig | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++
fs/pramfs/Makefile | 14 ++++++++++
7 files changed, 104 insertions(+), 2 deletions(-)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5351,6 +5351,15 @@ S: Maintained
F: drivers/net/ppp/pptp.c
W: http://sourceforge.net/projects/accel-pptp
+PRAM FILE SYSTEM
+M: Marco Stornelli <marco.stornelli@gmail.com>
+W: http://pramfs.sourceforge.net
+L: pramfs-devel@lists.sourceforge.net (subscribers-only)
+S: Maintained
+F: Documentation/filesystems/pramfs.txt
+F: fs/pramfs/
+F: include/linux/pram*
+
PREEMPTIBLE KERNEL
M: Robert Love <rml@tech9.net>
L: kpreempt-tech@lists.sourceforge.net
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -112,6 +112,9 @@ config USER_RETURN_NOTIFIER
config HAVE_IOREMAP_PROT
bool
+config HAVE_SET_MEMORY_RO
+ bool
+
config HAVE_KPROBES
bool
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -23,6 +23,7 @@ config X86
select HAVE_PCSPKR_PLATFORM
select HAVE_PERF_EVENTS
select HAVE_IRQ_WORK
+ select HAVE_SET_MEMORY_RO
select HAVE_IOREMAP_PROT
select HAVE_KPROBES
select HAVE_MEMBLOCK
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -17,7 +17,7 @@ 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"
@@ -29,7 +29,8 @@ config FS_MBCACHE
default y if EXT2_FS=y && EXT2_FS_XATTR
default y if EXT3_FS=y && EXT3_FS_XATTR
default y if EXT4_FS=y && EXT4_FS_XATTR
- default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
+ default y if PRAMFS=y && PRAMFS_XATTR
+ default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR || PRAMFS_XATTR
source "fs/reiserfs/Kconfig"
source "fs/jfs/Kconfig"
@@ -219,6 +220,7 @@ source "fs/romfs/Kconfig"
source "fs/pstore/Kconfig"
source "fs/sysv/Kconfig"
source "fs/ufs/Kconfig"
+source "fs/pramfs/Kconfig"
source "fs/exofs/Kconfig"
endif # MISC_FILESYSTEMS
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -125,3 +125,4 @@ obj-$(CONFIG_GFS2_FS) += gfs2/
obj-y += exofs/ # Multiple modules
obj-$(CONFIG_CEPH_FS) += ceph/
obj-$(CONFIG_PSTORE) += pstore/
+obj-$(CONFIG_PRAMFS) += pramfs/
--- /dev/null
+++ b/fs/pramfs/Kconfig
@@ -0,0 +1,72 @@
+config PRAMFS
+ tristate "Persistent and Protected RAM file system support"
+ depends on HAS_IOMEM && EXPERIMENTAL
+ select CRC16
+ 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 "Execute-in-place in PRAMFS"
+ depends on PRAMFS && BLOCK
+ help
+ Say Y here to enable XIP feature of PRAMFS.
+
+config PRAMFS_WRITE_PROTECT
+ bool "PRAMFS write protection"
+ depends on PRAMFS && MMU && HAVE_SET_MEMORY_RO
+ default y
+ help
+ Say Y here to enable the write protect feature of PRAMFS.
+
+config PRAMFS_XATTR
+ bool "PRAMFS extended attributes"
+ depends on PRAMFS && BLOCK
+ help
+ Extended attributes are name:value pairs associated with inodes by
+ the kernel or by users (see the attr(5) manual page, or visit
+ <http://acl.bestbits.at/> for details).
+
+ If unsure, say N.
+
+config PRAMFS_POSIX_ACL
+ bool "PRAMFS POSIX Access Control Lists"
+ depends on PRAMFS_XATTR
+ select FS_POSIX_ACL
+ help
+ Posix Access Control Lists (ACLs) support permissions for users and
+ groups beyond the owner/group/world scheme.
+
+ To learn more about Access Control Lists, visit the Posix ACLs for
+ Linux website <http://acl.bestbits.at/>.
+
+ If you don't know what Access Control Lists are, say N.
+
+config PRAMFS_SECURITY
+ bool "PRAMFS Security Labels"
+ depends on PRAMFS_XATTR
+ help
+ Security labels support alternative access control models
+ implemented by security modules like SELinux. This option
+ enables an extended attribute handler for file security
+ labels in the pram filesystem.
+
+ If you are not using a security module that requires using
+ extended attributes for file security labels, say N.
+
+config PRAMFS_TEST
+ boolean
+ depends on PRAMFS
+
+config PRAMFS_TEST_MODULE
+ tristate "PRAMFS Test"
+ depends on PRAMFS && PRAMFS_WRITE_PROTECT && m
+ select PRAMFS_TEST
+ help
+ Say Y here to build a simple module to test the protection of
+ PRAMFS. The module will be called pramfs_test.
--- /dev/null
+++ b/fs/pramfs/Makefile
@@ -0,0 +1,14 @@
+#
+# Makefile for the linux pram-filesystem routines.
+#
+
+obj-$(CONFIG_PRAMFS) += pramfs.o
+obj-$(CONFIG_PRAMFS_TEST_MODULE) += pramfs_test.o
+
+pramfs-y := balloc.o dir.o file.o inode.o namei.o super.o symlink.o ioctl.o
+
+pramfs-$(CONFIG_PRAMFS_WRITE_PROTECT) += wprotect.o
+pramfs-$(CONFIG_PRAMFS_XIP) += xip.o
+pramfs-$(CONFIG_PRAMFS_XATTR) += xattr.o xattr_user.o xattr_trusted.o desctree.o
+pramfs-$(CONFIG_PRAMFS_POSIX_ACL) += acl.o
+pramfs-$(CONFIG_PRAMFS_SECURITY) += xattr_security.o