From e82999dedffd04e456b943d481a48db427ba6422 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rainer=20Sch=C3=B6pf?= <rainer.schoepf@proteosys.com>
Date: Mon, 21 Jun 2004 22:54:15 +0000
Subject: [PATCH] linux26-i-security-20040621

configure test is shadow@dementia.org's fault
test for i_security inode field and init if exists
---
 acinclude.m4          |  4 ++++
 src/afs/afs_vcache.c  |  6 ++++++
 src/afs/sysincludes.h |  3 +++
 src/cf/linux-test4.m4 | 16 ++++++++++++++++
 4 files changed, 29 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 2b995322c..67ee5d2c0 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -181,6 +181,7 @@ case $system in
 		 LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 		 LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 		 LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
+		 LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 	  	 LINUX_INODE_SETATTR_RETURN_TYPE
 		 LINUX_KERNEL_LINUX_SYSCALL_H
 		 LINUX_KERNEL_SELINUX
@@ -274,6 +275,9 @@ case $system in
 		 if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
 		  AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
 		 fi
+		 if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then 
+		  AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
+		 fi
 		 if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
 		  AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
 		 fi
diff --git a/src/afs/afs_vcache.c b/src/afs/afs_vcache.c
index 6f56d46b1..a4c113030 100644
--- a/src/afs/afs_vcache.c
+++ b/src/afs/afs_vcache.c
@@ -1051,6 +1051,12 @@ afs_NewVCache(struct VenusFid *afid, struct server *serverp)
 #if !defined(AFS_LINUX26_ENV)
     if (afs_globalVFS)
 	ip->i_dev = afs_globalVFS->s_dev;
+#else
+#ifdef STRUCT_INODE_HAS_I_SECURITY
+    ip->i_security = NULL;
+    if (security_inode_alloc(ip))
+        panic("Cannot allocate inode security");
+#endif
 #endif
     ip->i_sb = afs_globalVFS;
     put_inode_on_dummy_list(ip);
diff --git a/src/afs/sysincludes.h b/src/afs/sysincludes.h
index d12b2400e..c87b2a9c8 100644
--- a/src/afs/sysincludes.h
+++ b/src/afs/sysincludes.h
@@ -64,6 +64,9 @@
 #include <linux/backing-dev.h>
 #include <linux/pagemap.h>
 #include <linux/namei.h>
+#ifdef STRUCT_INODE_HAS_I_SECURITY
+#include <linux/security.h>
+#endif
 #include <linux/suspend.h>
 #endif
 /* Avoid conflicts with coda overloading AFS type namespace. Must precede
diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index dc4b79d94..08e0c974b 100644
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -285,6 +285,22 @@ AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_mmap_shared)
 CPPFLAGS="$save_CPPFLAGS"])
 
 
+AC_DEFUN([LINUX_FS_STRUCT_INODE_HAS_I_SECURITY], [
+AC_MSG_CHECKING(for i_security in struct inode)
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -I${LINUX_KERNEL_PATH}/include/asm/mach-${SUBARCH} -D__KERNEL__ $CPPFLAGS"
+AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_security, 
+[
+AC_TRY_COMPILE(
+[#include <linux/fs.h>],
+[struct inode _inode;
+printf("%d\n", _inode.i_security);], 
+ac_cv_linux_fs_struct_inode_has_i_security=yes,
+ac_cv_linux_fs_struct_inode_has_i_security=no)])
+AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_security)
+CPPFLAGS="$save_CPPFLAGS"])
+
+
 AC_DEFUN([LINUX_RECALC_SIGPENDING_ARG_TYPE],[
 AC_MSG_CHECKING(for recalc_sigpending arg type)
 save_CPPFLAGS="$CPPFLAGS"
-- 
2.39.5