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Date: Fri, 19 Jun 2009 15:31:22 -0700
From: Sage Weil <sage@...dream.net>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
greg@...ah.com
Cc: Sage Weil <sage@...dream.net>
Subject: [PATCH 01/21] fs: add fs/staging directory
Add an fs/staging directory, analogous to drivers/staging, for file
systems that are not yet ready to be merged into the kernel proper.
This makes them easier to find by keeping them under the appropriate
menu/section. It also makes them accessible when ARCH=um, which hides
the entire drivers tree.
As with drivers/staging, modules from fs/staging are marked with 'staging'
by modpost.
Evgeniy's pohmelfs (drivers/staging/pohmelfs) should presumably be moved
to fs/staging/pohmelfs.
Signed-off-by: Sage Weil <sage@...dream.net>
---
fs/Kconfig | 2 ++
fs/Makefile | 1 +
fs/staging/Kconfig | 46 ++++++++++++++++++++++++++++++++++++++++++++++
fs/staging/Makefile | 5 +++++
fs/staging/fsstaging.c | 19 +++++++++++++++++++
scripts/mod/modpost.c | 4 +++-
6 files changed, 76 insertions(+), 1 deletions(-)
create mode 100644 fs/staging/Kconfig
create mode 100644 fs/staging/Makefile
create mode 100644 fs/staging/fsstaging.c
diff --git a/fs/Kconfig b/fs/Kconfig
index 9f7270f..3374de2 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -265,4 +265,6 @@ endif
source "fs/nls/Kconfig"
source "fs/dlm/Kconfig"
+source "fs/staging/Kconfig"
+
endmenu
diff --git a/fs/Makefile b/fs/Makefile
index af6d047..a6e3c51 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_DLM) += dlm/
# Do not add any filesystems before this line
obj-$(CONFIG_FSCACHE) += fscache/
+obj-$(CONFIG_FSSTAGING) += staging/
obj-$(CONFIG_REISERFS_FS) += reiserfs/
obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
obj-$(CONFIG_EXT2_FS) += ext2/
diff --git a/fs/staging/Kconfig b/fs/staging/Kconfig
new file mode 100644
index 0000000..605d8ae
--- /dev/null
+++ b/fs/staging/Kconfig
@@ -0,0 +1,46 @@
+menuconfig FSSTAGING
+ bool "Staging file systems"
+ default n
+ ---help---
+ This option allows you to select a number of file systems
+ that are not of the "normal" Linux kernel quality level.
+ These are placed here in order to get a wider audience to
+ make use of them. Please note that these are under heavy
+ development, may or may not work, and may contain userspace
+ interfaces that most likely will be changed in the near
+ future.
+
+ Using any of these file systems will taint your kernel which
+ might affect support options from both the community, and
+ various commercial support organizations.
+
+ If you wish to work on these file systems, to help improve
+ them, or to report problems you have with them, please see
+ the fs_name.README file in the fs/staging/ directory to see
+ what needs to be worked on, and who to contact.
+
+ If in doubt, say N here.
+
+
+if FSSTAGING
+
+config FSSTAGING_EXCLUDE_BUILD
+ bool "Exclude Staging file systems from being built" if FSSTAGING
+ default y
+ ---help---
+ Are you sure you really want to build the staging file
+ systems? They taint your kernel, don't live up to the
+ normal Linux kernel quality standards, are a bit crufty
+ around the edges, and might go off and kick your dog when
+ you aren't paying attention.
+
+ Say N here to be able to select and build the Staging file
+ systems. This option is primarily here to prevent them from
+ being built when selecting 'make allyesconfg' and 'make
+ allmodconfig' so don't be all that put off, your dog will be
+ just fine.
+
+if !FSSTAGING_EXCLUDE_BUILD
+
+endif # !FSSTAGING_EXCLUDE_BUILD
+endif # FSSTAGING
diff --git a/fs/staging/Makefile b/fs/staging/Makefile
new file mode 100644
index 0000000..7ddeb16
--- /dev/null
+++ b/fs/staging/Makefile
@@ -0,0 +1,5 @@
+# Makefile for fs/staging directory
+
+# fix for build system bug...
+obj-$(CONFIG_FSSTAGING) += fsstaging.o
+
diff --git a/fs/staging/fsstaging.c b/fs/staging/fsstaging.c
new file mode 100644
index 0000000..c9a0a8c
--- /dev/null
+++ b/fs/staging/fsstaging.c
@@ -0,0 +1,19 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+static int __init fsstaging_init(void)
+{
+ return 0;
+}
+
+static void __exit fsstaging_exit(void)
+{
+}
+
+module_init(fsstaging_init);
+module_exit(fsstaging_exit);
+
+MODULE_AUTHOR("Sage Weil <sage@...dream.net>");
+MODULE_DESCRIPTION("FS Staging Core");
+MODULE_LICENSE("GPL");
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 161b784..3e92bbe 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1721,8 +1721,10 @@ static void add_header(struct buffer *b, struct module *mod)
void add_staging_flag(struct buffer *b, const char *name)
{
static const char *staging_dir = "drivers/staging";
+ static const char *fsstaging_dir = "fs/staging";
- if (strncmp(staging_dir, name, strlen(staging_dir)) == 0)
+ if (strncmp(staging_dir, name, strlen(staging_dir)) == 0 ||
+ strncmp(fsstaging_dir, name, strlen(fsstaging_dir)) == 0)
buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n");
}
--
1.5.6.5
--
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