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Get rid of indirect include of fs_struct.h

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From: Linux Kernel Mailing List
Subject: Get rid of indirect include of fs_struct.h
Date: Thursday, April 2, 2009 - 10:08 pm

Gitweb:     http://git.kernel.org/linus/5ad4e53bd5406ee214ddc5a41f03f779b8b2d526
Commit:     5ad4e53bd5406ee214ddc5a41f03f779b8b2d526
Parent:     ce3b0f8d5c2203301fc87f3aaaed73e5819e2a48
Author:     Al Viro <viro@zeniv.linux.org.uk>
AuthorDate: Sun Mar 29 19:50:06 2009 -0400
Committer:  Al Viro <viro@zeniv.linux.org.uk>
CommitDate: Tue Mar 31 23:00:27 2009 -0400

    Get rid of indirect include of fs_struct.h
    
    Don't pull it in sched.h; very few files actually need it and those
    can include directly.  sched.h itself only needs forward declaration
    of struct fs_struct;
    
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/cris/kernel/process.c    |    1 -
 fs/dcache.c                   |    1 +
 fs/exec.c                     |    1 +
 fs/fs_struct.c                |    1 +
 fs/namei.c                    |    1 +
 fs/namespace.c                |    1 +
 fs/open.c                     |    1 +
 fs/proc/base.c                |    1 +
 fs/proc/task_nommu.c          |    1 +
 include/linux/mnt_namespace.h |    2 ++
 include/linux/nsproxy.h       |    1 +
 include/linux/sched.h         |    3 ++-
 init/do_mounts.c              |    1 +
 kernel/auditsc.c              |    1 +
 kernel/exec_domain.c          |    1 +
 kernel/exit.c                 |    1 +
 kernel/fork.c                 |    1 +
 kernel/sys.c                  |    1 +
 security/tomoyo/realpath.c    |    1 +
 19 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
index 60816e8..4df0b32 100644
--- a/arch/cris/kernel/process.c
+++ b/arch/cris/kernel/process.c
@@ -19,7 +19,6 @@
 #include <asm/system.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
-#include <linux/fs_struct.h>
 #include <linux/init_task.h>
 #include <linux/sched.h>
 #include <linux/fs.h>
diff --git a/fs/dcache.c b/fs/dcache.c
index 90bbd7e..0dc4de2 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -32,6 +32,7 @@
 #include <linux/seqlock.h>
 #include <linux/swap.h>
 #include <linux/bootmem.h>
+#include <linux/fs_struct.h>
 #include "internal.h"
 
 int sysctl_vfs_cache_pressure __read_mostly = 100;
diff --git a/fs/exec.c b/fs/exec.c
index 614991b..052a961 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -53,6 +53,7 @@
 #include <linux/tracehook.h>
 #include <linux/kmod.h>
 #include <linux/fsnotify.h>
+#include <linux/fs_struct.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
diff --git a/fs/fs_struct.c b/fs/fs_struct.c
index 6ac2193..eee0590 100644
--- a/fs/fs_struct.c
+++ b/fs/fs_struct.c
@@ -3,6 +3,7 @@
 #include <linux/fs.h>
 #include <linux/path.h>
 #include <linux/slab.h>
+#include <linux/fs_struct.h>
 
 /*
  * Replace the fs->{rootmnt,root} with {mnt,dentry}. Put the old values.
diff --git a/fs/namei.c b/fs/namei.c
index 964c024..b8433eb 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -32,6 +32,7 @@
 #include <linux/file.h>
 #include <linux/fcntl.h>
 #include <linux/device_cgroup.h>
+#include <linux/fs_struct.h>
 #include <asm/uaccess.h>
 
 #define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
diff --git a/fs/namespace.c b/fs/namespace.c
index 1e56303..c6f54e4 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -27,6 +27,7 @@
 #include <linux/ramfs.h>
 #include <linux/log2.h>
 #include <linux/idr.h>
+#include <linux/fs_struct.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include "pnode.h"
diff --git a/fs/open.c b/fs/open.c
index 75b6167..377eb25 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -29,6 +29,7 @@
 #include <linux/rcupdate.h>
 #include <linux/audit.h>
 #include <linux/falloc.h>
+#include <linux/fs_struct.h>
 
 int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index e0afd32..f715597 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -80,6 +80,7 @@
 #include <linux/oom.h>
 #include <linux/elf.h>
 #include <linux/pid_namespace.h>
+#include <linux/fs_struct.h>
 #include "internal.h"
 
 /* NOTE:
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 6ca0105..253afc0 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -2,6 +2,7 @@
 #include <linux/mm.h>
 #include <linux/file.h>
 #include <linux/fdtable.h>
+#include <linux/fs_struct.h>
 #include <linux/mount.h>
 #include <linux/ptrace.h>
 #include <linux/seq_file.h>
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 830bbcd..3a05929 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -22,6 +22,8 @@ struct proc_mounts {
 	int event;
 };
 
+struct fs_struct;
+
 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
 		struct fs_struct *);
 extern void __put_mnt_ns(struct mnt_namespace *ns);
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index afad7de..7b370c7 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -8,6 +8,7 @@ struct mnt_namespace;
 struct uts_namespace;
 struct ipc_namespace;
 struct pid_namespace;
+struct fs_struct;
 
 /*
  * A structure to contain pointers to all per-process
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 29df637..b4e065e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -68,7 +68,7 @@ struct sched_param {
 #include <linux/smp.h>
 #include <linux/sem.h>
 #include <linux/signal.h>
-#include <linux/fs_struct.h>
+#include <linux/path.h>
 #include <linux/compiler.h>
 #include <linux/completion.h>
 #include <linux/pid.h>
@@ -97,6 +97,7 @@ struct futex_pi_state;
 struct robust_list_head;
 struct bio;
 struct bts_tracer;
+struct fs_struct;
 
 /*
  * List of flags we want to share for kernel threads,
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 8d4ff5a..dd7ee5f 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -14,6 +14,7 @@
 #include <linux/fs.h>
 #include <linux/initrd.h>
 #include <linux/async.h>
+#include <linux/fs_struct.h>
 
 #include <linux/nfs_fs.h>
 #include <linux/nfs_fs_sb.h>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 8cbddff..2bfc647 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -66,6 +66,7 @@
 #include <linux/syscalls.h>
 #include <linux/inotify.h>
 #include <linux/capability.h>
+#include <linux/fs_struct.h>
 
 #include "audit.h"
 
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index cb8e962..c35452c 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -18,6 +18,7 @@
 #include <linux/syscalls.h>
 #include <linux/sysctl.h>
 #include <linux/types.h>
+#include <linux/fs_struct.h>
 
 
 static void default_handler(int, struct pt_regs *);
diff --git a/kernel/exit.c b/kernel/exit.c
index ad83757..b5d6568 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -46,6 +46,7 @@
 #include <linux/blkdev.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/tracehook.h>
+#include <linux/fs_struct.h>
 #include <linux/init_task.h>
 #include <trace/sched.h>
 
diff --git a/kernel/fork.c b/kernel/fork.c
index 51f138a..e82a145 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -60,6 +60,7 @@
 #include <linux/tty.h>
 #include <linux/proc_fs.h>
 #include <linux/blkdev.h>
+#include <linux/fs_struct.h>
 #include <trace/sched.h>
 #include <linux/magic.h>
 
diff --git a/kernel/sys.c b/kernel/sys.c
index 37f458e..ce182aa 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -34,6 +34,7 @@
 #include <linux/seccomp.h>
 #include <linux/cpu.h>
 #include <linux/ptrace.h>
+#include <linux/fs_struct.h>
 
 #include <linux/compat.h>
 #include <linux/syscalls.h>
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index d47f16b..3bbe01a 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/mount.h>
 #include <linux/mnt_namespace.h>
+#include <linux/fs_struct.h>
 #include "common.h"
 #include "realpath.h"
 
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Get rid of indirect include of fs_struct.h, Linux Kernel Mailing ..., (Thu Apr 2, 10:08 pm)