[PATCH] remove duplicate init_fs

From: Steven Rostedt
Date: Wed Dec 10 2008 - 19:23:45 EST


The following patch is in:

git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git

branch: cleanups


Steven Rostedt (1):
remove duplicate init_fs

----
arch/alpha/kernel/init_task.c | 1 -
arch/arm/kernel/init_task.c | 1 -
arch/avr32/kernel/init_task.c | 1 -
arch/blackfin/kernel/init_task.c | 1 -
arch/cris/kernel/process.c | 1 -
arch/frv/kernel/init_task.c | 1 -
arch/h8300/kernel/init_task.c | 1 -
arch/ia64/kernel/init_task.c | 1 -
arch/m32r/kernel/init_task.c | 1 -
arch/m68k/kernel/process.c | 1 -
arch/m68knommu/kernel/init_task.c | 1 -
arch/mips/kernel/init_task.c | 1 -
arch/mn10300/kernel/init_task.c | 1 -
arch/parisc/kernel/init_task.c | 1 -
arch/powerpc/kernel/init_task.c | 1 -
arch/s390/kernel/init_task.c | 1 -
arch/sh/kernel/init_task.c | 1 -
arch/sparc/kernel/init_task.c | 1 -
arch/sparc64/kernel/init_task.c | 1 -
arch/um/kernel/init_task.c | 1 -
arch/x86/kernel/init_task.c | 1 -
arch/xtensa/kernel/init_task.c | 1 -
include/linux/fs_struct.h | 7 +------
init/main.c | 6 ++++++
24 files changed, 7 insertions(+), 28 deletions(-)
---------------------------
commit a0f599b0f8479b7e4d7a7fc22150154a4bc26227
Author: Steven Rostedt <srostedt@xxxxxxxxxx>
Date: Wed Dec 10 19:18:06 2008 -0500

remove duplicate init_fs

Impact: clean up

This patch removes the funny INIT_FS macro and creates a single
init_fs variable in init/main.c for all archs to use.

Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>

diff --git a/arch/alpha/kernel/init_task.c b/arch/alpha/kernel/init_task.c
index 1f76218..c2938e5 100644
--- a/arch/alpha/kernel/init_task.c
+++ b/arch/alpha/kernel/init_task.c
@@ -8,7 +8,6 @@
#include <asm/uaccess.h>


-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/arm/kernel/init_task.c b/arch/arm/kernel/init_task.c
index 0bbf806..e859af3 100644
--- a/arch/arm/kernel/init_task.c
+++ b/arch/arm/kernel/init_task.c
@@ -12,7 +12,6 @@

#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/avr32/kernel/init_task.c b/arch/avr32/kernel/init_task.c
index 4405846..993d56e 100644
--- a/arch/avr32/kernel/init_task.c
+++ b/arch/avr32/kernel/init_task.c
@@ -13,7 +13,6 @@

#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/blackfin/kernel/init_task.c b/arch/blackfin/kernel/init_task.c
index 6bdba7b..2c228c0 100644
--- a/arch/blackfin/kernel/init_task.c
+++ b/arch/blackfin/kernel/init_task.c
@@ -33,7 +33,6 @@
#include <linux/mqueue.h>
#include <linux/fs.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);

diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index 5933656..60816e8 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -37,7 +37,6 @@
* setup.
*/

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/frv/kernel/init_task.c b/arch/frv/kernel/init_task.c
index e219881..29429a8 100644
--- a/arch/frv/kernel/init_task.c
+++ b/arch/frv/kernel/init_task.c
@@ -10,7 +10,6 @@
#include <asm/pgtable.h>


-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/h8300/kernel/init_task.c b/arch/h8300/kernel/init_task.c
index 93a4899..cb5dc55 100644
--- a/arch/h8300/kernel/init_task.c
+++ b/arch/h8300/kernel/init_task.c
@@ -12,7 +12,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index 9d7e1c6..5b0e830 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -17,7 +17,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/m32r/kernel/init_task.c b/arch/m32r/kernel/init_task.c
index 0d658db..016885c 100644
--- a/arch/m32r/kernel/init_task.c
+++ b/arch/m32r/kernel/init_task.c
@@ -11,7 +11,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 3042c2b..632ce01 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -40,7 +40,6 @@
* alignment requirements and potentially different initial
* setup.
*/
-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/m68knommu/kernel/init_task.c b/arch/m68knommu/kernel/init_task.c
index 344c01a..fe282de 100644
--- a/arch/m68knommu/kernel/init_task.c
+++ b/arch/m68knommu/kernel/init_task.c
@@ -12,7 +12,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/mips/kernel/init_task.c b/arch/mips/kernel/init_task.c
index d72487a..149cd91 100644
--- a/arch/mips/kernel/init_task.c
+++ b/arch/mips/kernel/init_task.c
@@ -9,7 +9,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/mn10300/kernel/init_task.c b/arch/mn10300/kernel/init_task.c
index af16f6e..5ac3566 100644
--- a/arch/mn10300/kernel/init_task.c
+++ b/arch/mn10300/kernel/init_task.c
@@ -18,7 +18,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/parisc/kernel/init_task.c b/arch/parisc/kernel/init_task.c
index f5941c0..1e25a45 100644
--- a/arch/parisc/kernel/init_task.c
+++ b/arch/parisc/kernel/init_task.c
@@ -34,7 +34,6 @@
#include <asm/pgtable.h>
#include <asm/pgalloc.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/powerpc/kernel/init_task.c b/arch/powerpc/kernel/init_task.c
index 4c85b8d..688b329 100644
--- a/arch/powerpc/kernel/init_task.c
+++ b/arch/powerpc/kernel/init_task.c
@@ -7,7 +7,6 @@
#include <linux/mqueue.h>
#include <asm/uaccess.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c
index e807168..7db95c0 100644
--- a/arch/s390/kernel/init_task.c
+++ b/arch/s390/kernel/init_task.c
@@ -16,7 +16,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/sh/kernel/init_task.c b/arch/sh/kernel/init_task.c
index b151a25..80c35ff 100644
--- a/arch/sh/kernel/init_task.c
+++ b/arch/sh/kernel/init_task.c
@@ -7,7 +7,6 @@
#include <asm/uaccess.h>
#include <asm/pgtable.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct pt_regs fake_swapper_regs;
diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c
index 8e64ebc..94fcae3 100644
--- a/arch/sparc/kernel/init_task.c
+++ b/arch/sparc/kernel/init_task.c
@@ -8,7 +8,6 @@
#include <asm/pgtable.h>
#include <asm/uaccess.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/sparc64/kernel/init_task.c b/arch/sparc64/kernel/init_task.c
index d2b3123..84fb09e 100644
--- a/arch/sparc64/kernel/init_task.c
+++ b/arch/sparc64/kernel/init_task.c
@@ -9,7 +9,6 @@
#include <asm/uaccess.h>
#include <asm/processor.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c
index 910eda8..806d381 100644
--- a/arch/um/kernel/init_task.c
+++ b/arch/um/kernel/init_task.c
@@ -10,7 +10,6 @@
#include "linux/mqueue.h"
#include "asm/uaccess.h"

-static struct fs_struct init_fs = INIT_FS;
struct mm_struct init_mm = INIT_MM(init_mm);
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
diff --git a/arch/x86/kernel/init_task.c b/arch/x86/kernel/init_task.c
index a4f93b4..42dcd6e 100644
--- a/arch/x86/kernel/init_task.c
+++ b/arch/x86/kernel/init_task.c
@@ -10,7 +10,6 @@
#include <asm/pgtable.h>
#include <asm/desc.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/arch/xtensa/kernel/init_task.c b/arch/xtensa/kernel/init_task.c
index 3df469d..e07f5c9 100644
--- a/arch/xtensa/kernel/init_task.c
+++ b/arch/xtensa/kernel/init_task.c
@@ -21,7 +21,6 @@

#include <asm/uaccess.h>

-static struct fs_struct init_fs = INIT_FS;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 9e5a06e..ab79e82 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -10,12 +10,7 @@ struct fs_struct {
struct path root, pwd;
};

-#define INIT_FS { \
- .count = ATOMIC_INIT(1), \
- .lock = RW_LOCK_UNLOCKED, \
- .umask = 0022, \
-}
-
+extern struct fs_struct init_fs;
extern struct kmem_cache *fs_cachep;

extern void exit_fs(struct task_struct *);
diff --git a/init/main.c b/init/main.c
index 7e117a2..0801e74 100644
--- a/init/main.c
+++ b/init/main.c
@@ -108,6 +108,12 @@ extern void tc_init(void);
enum system_states system_state;
EXPORT_SYMBOL(system_state);

+struct fs_struct init_fs = {
+ .count = ATOMIC_INIT(1),
+ .lock = __RW_LOCK_UNLOCKED(init_fs.lock),
+ .umask = 0022,
+};
+
/*
* Boot command-line arguments
*/


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