[PATCH] OCFS2: The Second Oracle Cluster Filesystem
Link the code into the kernel build system. OCFS2 is marked as
experimental.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
diff --git a/fs/Kconfig b/fs/Kconfig
index ba1dbe2..59b1795 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -70,6 +70,7 @@
config EXT3_FS
tristate "Ext3 journalling file system support"
+ select JBD
help
This is the journaling version of the Second extended file system
(often called ext3), the de facto standard Linux file system
@@ -138,23 +139,20 @@
extended attributes for file security labels, say N.
config JBD
-# CONFIG_JBD could be its own option (even modular), but until there are
-# other users than ext3, we will simply make it be the same as CONFIG_EXT3_FS
-# dep_tristate ' Journal Block Device support (JBD for ext3)' CONFIG_JBD $CONFIG_EXT3_FS
tristate
- default EXT3_FS
help
This is a generic journaling layer for block devices. It is
- currently used by the ext3 file system, but it could also be used to
- add journal support to other file systems or block devices such as
- RAID or LVM.
+ currently used by the ext3 and OCFS2 file systems, but it could
+ also be used to add journal support to other file systems or block
+ devices such as RAID or LVM.
- If you are using the ext3 file system, you need to say Y here. If
- you are not using ext3 then you will probably want to say N.
+ If you are using the ext3 or OCFS2 file systems, you need to
+ say Y here. If you are not using ext3 OCFS2 then you will probably
+ want to say N.
To compile this device as a module, choose M here: the module will be
- called jbd. If you are compiling ext3 into the kernel, you cannot
- compile this code as a module.
+ called jbd. If you are compiling ext3 or OCFS2 into the kernel,
+ you cannot compile this code as a module.
config JBD_DEBUG
bool "JBD (ext3) debugging support"
@@ -326,6 +324,39 @@
source "fs/xfs/Kconfig"
+config OCFS2_FS
+ tristate "OCFS2 file system support (EXPERIMENTAL)"
+ depends on NET && EXPERIMENTAL
+ select CONFIGFS_FS
+ select JBD
+ select CRC32
+ select INET
+ help
+ OCFS2 is a general purpose extent based shared disk cluster file
+ system with many similarities to ext3. It supports 64 bit inode
+ numbers, and has automatically extending metadata groups which may
+ also make it attractive for non-clustered use.
+
+ You'll want to install the ocfs2-tools package in order to at least
+ get "mount.ocfs2".
+
+ Project web page: http://oss.oracle.com/projects/ocfs2
+ Tools web page: http://oss.oracle.com/projects/ocfs2-tools
+ OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
+
+ Note: Features which OCFS2 does not support yet:
+ - extended attributes
+ - readonly mount
+ - shared writeable mmap
+ - loopback is supported, but data written will not
+ be cluster coherent.
+ - quotas
+ - cluster aware flock
+ - Directory change notification (F_NOTIFY)
+ - Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease)
+ - POSIX ACLs
+ - readpages / writepages (not user visible)
+
config MINIX_FS
tristate "Minix fs support"
help